Threaded Rods

Threaded Rods

RAYCHIN manufactures precision threaded rods in 25+ exotic alloys: 17-4 PH, Inconel 718, Titanium, Hastelloy, MP35N, A286, Monel & more. Fully threaded rods, double-end rods, continuous thread studs. ASME, DIN, ISO, ASTM compliant. Custom OEM threaded rods for aerospace, oil & gas, power generation, marine & industrial applications. Global supplier.
  • Threaded Rods

RAYCHIN SPECIALTY METALS FASTENERS: BOLTS, NUTS, SCREWS, WASHERS, STUDS, THREADED RODS, U-BOLT, J-BOLTS

STANDARD AND CUSTOMIZED, SMALL BATCH AND LARGE BATCH, IMPERIAL AND METRIC


Sizes:
Thread:
  • #00 - 6"

  • M1.2 - M150

  • Fine and course threads

  • Partially and fully threaded

  • UNC, UNF, UNJ, UNR, Rolled, Cut



Specifications:Custom to print / drawing
  • ASME B1.1

  • DIN 975





Request a Quote from RAYCHIN

We're here to help!

Request a Quote

RAYCHIN LIMITED, we are materials experts who focus only on fasteners made from the highest performance specialty metals for the most challenging and extreme applications.


  • Stainless Steel Series: Martensitic Stainless Steel, Ferritic Stainless Steel, Austenitic Stainless Steel, Austenitic-Ferritic (Duplex) Stainless Steel and Precipitation Hardening Stainless Steel.


  • Super Alloys Series: Nickel-based Alloy, Cobalt-based Alloy, Iron-based Alloy, Molybdenum-based Alloy, ‌Titanium-based Alloy, Copper based Alloy, ‌Zirconium Alloy.


  • Alloy Steel Series: Low Alloy Steel, Medium Alloy Steel, High Alloy Steel, Special Alloy Steel.



 RAYCHIN   MATERIALS 

  • 17-4   PH
  • Alloy   330
  • Inconel
  • Nimonic
  • 254   SMO
  • Alloy   926
  • Molybdenum
  • Nitronic
  • 310SS
  • Aluminum   7075
  • Monel
  • Tantalum
  • A286
  • Duplex   Steel
  • MP159
  • Titanium
  • AL-6XN
  • Hastelloy
  • MP35N
  • Tungsten
  • Alloy   20
  • Incoloy
  • Nickel   200
  • Waspaloy
  • Zirconium
  • PH 13-8 Mo




Precision Threaded Rods in Special Alloys | RAYCHIN Fastening Solution Expert

RAYCHIN manufactures precision threaded rods in 25+ exotic alloys: 17-4 PH, Inconel 718, Titanium, Hastelloy, MP35N, A286, Monel & more. Fully threaded rods, double-end rods, continuous thread studs. ASME, DIN, ISO, ASTM compliant. Custom OEM threaded rods for aerospace, oil & gas, power generation, marine & industrial applications. Global supplier.


Threaded Rods: The Versatile Foundation for Custom Fastening Solutions

RAYCHIN is a premier manufacturer of high-performance threaded rods and a recognized special alloy fastening solution expert. Threaded rods, also known as all-thread rods, continuous thread studs, or fully threaded rods, are versatile fasteners with threads running their entire length. This continuous threading allows for cutting to custom lengths, enabling endless possibilities for custom fastening applications. Threaded rods serve as the foundation for structural connections, pipe hangers, anchor bolts, tie rods, suspension systems, equipment mounting, flange connections, and custom fabricated assemblies.

The versatility of threaded rods makes them essential in construction, infrastructure, power generation, oil & gas, marine, aerospace, and industrial manufacturing. Our threaded rods are manufactured to exacting ASTM, ASME, DIN, and ISO standards, with complete material certification, full traceability, and engineering support for custom applications.

We engineer these critical components from over 25 advanced alloys, ensuring reliable performance in extreme temperatures (cryogenic to 2000°F+), highly corrosive environments, high-pressure systems (up to 20,000 psi), sour service (NACE MR0175/ISO 15156) , and critical safety applications.


Threaded Rod Classifications

1. Threaded Rod Types by Configuration

TypeDescriptionTypical StandardsApplications
Fully Threaded Rods (All-Thread)Continuous threads along entire lengthASME B18.31.2, DIN 975, ISO 4014General purpose, custom length applications
Double-End Threaded RodsThreaded on both ends with unthreaded centerASME B18.31.2, DIN 976, ASTM A193Flange connections, tie rods
Continuous Thread StudsSimilar to fully threaded, precision tolerancesASME B18.31.2, ASTM A193/A320High-temperature, high-pressure applications
Reduced Shank Threaded RodsReduced diameter between threaded sectionsCustomer specificationWeight reduction, flexibility requirements
Step-Down Threaded RodsDifferent diameters along lengthCustomer specificationSpecialized interface applications
Custom Threaded RodsOEM specificationsCustomer drawingUnique requirements

2. Threaded Rod Types by Application

Application TypeDescriptionTypical SpecificationsIndustries
Structural Threaded RodsFor steel construction, bracingASTM A36, ASTM A307, ASTM A449Construction, bridges, buildings
High-Strength Threaded RodsHeat-treated for high strengthASTM A193 (B7, B8, B8M), ASTM A320 (L7)Pressure vessels, flanges, equipment
Corrosion-Resistant Threaded RodsStainless and exotic alloysASTM A193 (B8, B8M), variousChemical, marine, pharmaceutical
High-Temperature Threaded RodsFor elevated temperature serviceASTM A193 (B8, B8M Class 2), Inconel, A286Power generation, refineries
Low-Temperature Threaded RodsFor cryogenic serviceASTM A320 (L7, L43), 304/316LNG, cryogenic equipment
Non-Magnetic Threaded RodsFor MRI and sensitive equipmentNitronic 50/60, 316, TitaniumMedical, research
Sour Service Threaded RodsNACE MR0175/ISO 15156 compliantIncoloy 925, MP35N, HastelloyOil & gas, downhole

3. Thread Specifications for Threaded Rods

Thread TypeClassesStandardsApplications
Unified Inch (UNC/UNF/UNEF)Class 2A, 3AASME B1.1General purpose, aerospace
Metric (ISO Coarse/Fine)Class 6g, 6hISO 261, ISO 262International applications
Acme ThreadsCustomASME B1.5Motion transmission, lead screws
Buttress ThreadsCustomASME B1.9High thrust loads
Pipe Threads (NPT/NPTF)Class 2ASME B1.20.1Sealing applications
Whitworth (BSW/BSF)CustomBS 84Legacy equipment
Left-Hand ThreadsCustomVariousReverse rotation prevention
Multi-Start ThreadsCustomVariousRapid assembly

4. Special Application Threaded Rods

  • High-Temperature Threaded Rods: For turbine and exhaust applications

  • Cryogenic Threaded Rods: For LNG and low-temperature service

  • Sour Service Threaded Rods: NACE MR0175/ISO 15156 compliant

  • High-Pressure Threaded Rods: For API flanges and wellhead equipment

  • Corrosion-Resistant Threaded Rods: For chemical and marine environments

  • Non-Magnetic Threaded Rods: For MRI and sensitive instrumentation

  • Vacuum Service Threaded Rods: For semiconductor and space applications

  • Nuclear Grade Threaded Rods: With low cobalt and high purity requirements

  • Fatigue-Resistant Threaded Rods: With optimized thread root radii

  • Custom Threaded Rods: Manufactured to your OEM specifications with unique dimensions, thread configurations, and material grades


Full Material Portfolio with International Standard Designations

As a special alloy fastening solution expert, RAYCHIN produces threaded rods in the following comprehensive range of high-performance materials:

1. Precipitation-Hardening Stainless Steels

17-4 PH (UNS S17400): ASTM A564 Type 630, AMS 5643, DIN 1.4542 — Available in H900, H1025, H1150, H1150+ tempers. Exceptional combination of high strength (up to 180 ksi) and good corrosion resistance. Excellent for aerospace threaded rods, medical devices, high-strength applications, defense hardware, and robotics. *Keywords: 17-4 PH threaded rods, 17-4 PH all-thread rods.*

PH 13-8 Mo (UNS S13800): ASTM A564 Type 625, AMS 5629 — Superior strength (up to 220 ksi), exceptional toughness, and outstanding stress corrosion cracking resistance. Available in H950, H1000, H1050 tempers. Recommended for aerospace structural threaded rods, defense applications, medical implants, and critical assemblies. *Keywords: PH 13-8 Mo threaded rods.*

2. Nickel-Based Superalloys

Inconel® Alloys:

  • Inconel 600 (UNS N06600): ASTM B166, AMS 5665 — General purpose high-temperature alloy with excellent oxidation and corrosion resistance to 2000°F. Good resistance to chloride stress corrosion cracking. Ideal for heat treat furnace threaded rods, chemical processing equipment, nuclear applications, and high-temperature studs. Keywords: Inconel 600 threaded rods.

  • Inconel 625 (UNS N06625): ASTM B446, AMS 5666 — Exceptional resistance to pitting, crevice corrosion, and high-temperature oxidation. Outstanding fatigue strength and resistance to chloride ions. High strength from cryogenic to 1800°F. Recommended for marine threaded rods, offshore platform hardware, chemical tank fittings, seawater immersion applications, and aerospace components. Keywords: Inconel 625 threaded rods.

  • Inconel 718 (UNS N07718): AMS 5663, ASTM B637 — High-strength alloy with exceptional creep rupture strength up to 1300°F. Excellent cryogenic properties and weldability. Good fatigue and oxidation resistance. Ideal for aerospace engine threaded rods, high-temperature applications, racing components, downhole tools, and high-performance automotive. Keywords: Inconel 718 threaded rods.

Monel® Alloys:

  • Monel 400 (UNS N04400): ASTM B164, AMS 4675 — Superior resistance to seawater, steam, and caustic environments. Excellent corrosion resistance in reducing conditions. High strength over a wide temperature range. Recommended for marine threaded rods, naval vessel hardware, chemical processing equipment, offshore installations, and architectural marine applications. Keywords: Monel 400 threaded rods.

  • Monel K500 (UNS N05500): ASTM B865, AMS 4676 — Age-hardenable version offering increased strength and hardness while maintaining excellent corrosion resistance. Good spring properties and wear resistance. Ideal for pump threaded rods, marine fasteners, oil & gas applications, high-strength marine hardware, and valve components. Keywords: Monel K500 threaded rods.

Hastelloy® Alloys:

  • Hastelloy C276 (UNS N10276): ASTM B574, AMS 5754 — Excellent resistance to a wide range of corrosive chemicals including strong oxidizers and reducing agents. Outstanding resistance to pitting and stress corrosion cracking. Recommended for chemical processing threaded rods, pharmaceutical apparatus, pollution control systems, flue gas desulfurization, and nuclear waste processing fixtures. Keywords: Hastelloy C276 threaded rods.

  • Hastelloy C22 (UNS N06022): ASTM B574, AMS 5755 — Superior resistance to oxidizing media and localized corrosion. Excellent in mixed acid environments and chloride-containing media. Ideal for bleaching systems, pickling equipment, nuclear waste processing, aggressive chemical service, and pharmaceutical reactors. Keywords: Hastelloy C22 threaded rods.

  • Hastelloy B2 (UNS N10665): ASTM B335 — Exceptional resistance to reducing acids like hydrochloric and sulfuric at all concentrations and temperatures. Outstanding resistance to hydrogen chloride gas. Recommended for hydrochloric acid processing, chemical reactors, evaporators, acid concentration plants, and chemical storage fixtures. Keywords: Hastelloy B2 threaded rods.

Incoloy® Alloys:

  • Incoloy 825 (UNS N08825): ASTM B423, AMS 5870 — Excellent resistance to reducing and oxidizing acids, stress corrosion cracking, and intergranular attack. Good resistance to sulfuric and phosphoric acids. Ideal for pickling tank hardware, pollution control equipment, nuclear fuel reprocessing, chemical storage vessels, and food processing equipment. Keywords: Incoloy 825 threaded rods.

  • Incoloy 925 (UNS N09925): ASTM B805 — High-strength, age-hardenable alloy with excellent resistance to sour gas environments. Good corrosion resistance and mechanical properties. Recommended for downhole instrumentation, wellhead equipment, subsea enclosures, oil & gas production, and high-temperature applications. Keywords: Incoloy 925 threaded rods.

High-Temperature Alloys:

  • Waspaloy (UNS N07001): AMS 5708, AMS 5824 — Precipitation-hardenable alloy with exceptional high-temperature strength to 1600°F. Excellent oxidation and creep resistance. Good fatigue strength. Ideal for gas turbine threaded rods, jet engine components, high-temperature instrumentation, aerospace fasteners, and racing applications. Keywords: Waspaloy threaded rods.

  • Nimonic® Series:

    • Nimonic 80A (UNS N07080): BS HR 501, AMS 5842 — Creep and rupture strength up to 1500°F. Excellent oxidation resistance and good corrosion resistance. Recommended for exhaust system threaded rods, heat treatment fixtures, turbocharger components, gas turbine parts, and high-temperature springs. Keywords: Nimonic 80A threaded rods.

    • Nimonic 90 (UNS N07090): BS HR 502, AMS 5796 — Enhanced high-temperature properties with superior oxidation resistance. Good creep strength and fatigue resistance. Ideal for gas turbine threaded rods, high-temperature applications, aerospace engine hardware, high-performance racing components, and exhaust valves. Keywords: Nimonic 90 threaded rods.

3. Duplex & Super Duplex Stainless Steels

Duplex 2205 (UNS S32205/S31803): ASTM A193 B8S, EN 1.4462 — Twice the yield strength of 316 stainless with excellent chloride stress corrosion resistance. Outstanding pitting resistance (PREN 34-36). Good fatigue strength. Recommended for offshore platform threaded rods, desalination plant hardware, marine deck equipment, chemical tankers, and subsea applications. Keywords: Duplex 2205 threaded rods.

Super Duplex Alloys:

  • Alloy 926 (UNS N08926): ASTM B691, EN 1.4529 — PREN >40 for severe chloride and seawater environments. Excellent resistance to crevice corrosion and pitting. Good mechanical properties. Ideal for subsea threaded rods, coastal infrastructure, chemical tanker hardware, desalination plants, and marine instrumentation. Keywords: Alloy 926 threaded rods.

  • AL-6XN® (UNS N08367): ASTM B691, AMS 5875 — Superior pitting and crevice corrosion resistance in highly chlorinated atmospheres. Outstanding resistance to seawater and chloride solutions. Recommended for flue gas desulfurization, seawater cooling systems, pharmaceutical equipment, food processing, and marine hardware. *Keywords: AL-6XN threaded rods.*

4. Titanium Alloys

Grade 2 Titanium (UNS R50400): ASTM B348, AMS 4921 — Excellent corrosion resistance with good formability and weldability. Outstanding seawater resistance and biocompatibility. Good strength-to-weight ratio. Ideal for marine threaded rods, architectural hardware, chemical processing equipment, medical devices, and food processing. Keywords: Titanium Grade 2 threaded rods.

Grade 5 Titanium (Ti-6Al-4V) (UNS R56400): AMS 4928, ASTM F467 — High strength-to-weight ratio (120 ksi typical), excellent corrosion resistance, and biocompatibility. Available in annealed and aged conditions. Excellent fatigue properties. Recommended for aerospace threaded rods, medical devices, surgical instruments, high-performance automotive components, racing applications, and sports equipment. Keywords: Titanium Grade 5 threaded rods.

Grade 7 Titanium (UNS R52400): ASTM B348 — Superior corrosion resistance with palladium addition. Excellent in reducing and oxidizing acid environments. Ideal for chemical processing, desalination plants, pollution control equipment, aggressive corrosion service, and marine applications. Keywords: Titanium Grade 7 threaded rods.

Grade 23 Titanium (Ti-6Al-4V ELI) (UNS R56401): ASTM F136, ASTM F1472 — Extra-low interstitial version of Grade 5 with enhanced toughness and ductility. Superior biocompatibility. Recommended for medical implants, surgical instruments, dental devices, and biocompatible applications. Keywords: Titanium Grade 23 threaded rods.

5. Refractory & Exotic Metals

Tantalum (UNS R05200): ASTM B365, AMS 7845 — Ultimate corrosion resistance in aggressive acid environments. Completely inert to most chemicals. Excellent biocompatibility. Ideal for chemical reactor threaded rods, pharmaceutical processing equipment, high-purity applications, medical implants, and laboratory equipment. Keywords: Tantalum threaded rods.

Zirconium 702 (UNS R60702): ASTM B550, ASME SB550 — Excellent resistance to sulfuric, hydrochloric, and nitric acids. Outstanding in organic acids and alkaline media. Ideal for nuclear fuel processing, chemical reactors, heat exchanger hardware, aggressive chemical service, and reprocessing equipment. Keywords: Zirconium threaded rods.

Zirconium 705 (UNS R60705): ASTM B550 — Niobium-stabilized version with enhanced strength and formability. Good corrosion resistance. Recommended for chemical processing, nuclear applications, and high-temperature service. Keywords: Zirconium 705 threaded rods.

Molybdenum (UNS R03600): ASTM B387 — High temperature strength and stiffness for extreme thermal applications to 3000°F. Excellent thermal conductivity and low thermal expansion. Ideal for high-temperature furnaces, semiconductor processing equipment, glass manufacturing, high-temperature fixtures, and electronics. Keywords: Molybdenum threaded rods.

TZM Molybdenum (Titanium-Zirconium-Molybdenum): ASTM B386 — Enhanced high-temperature strength and recrystallization resistance. Superior to pure molybdenum. Recommended for high-temperature applications, semiconductor, and aerospace. Keywords: TZM threaded rods.

Tungsten (UNS R07005): ASTM B777 — Highest density and melting point for specialized radiation shielding and high-temperature applications. Exceptional wear resistance and thermal stability. Ideal for medical imaging equipment, aerospace counterweights, high-temperature fixtures, radiation shielding, and balancing applications. Keywords: Tungsten threaded rods.

6. Specialty Stainless Steels & Nickel Alloys

Nitronic® Alloys:

  • Nitronic 50 (XM-19) (UNS S20910): ASTM A193 B8N — High strength (twice the yield strength of 316 stainless), non-magnetic, excellent corrosion resistance. Good cryogenic properties. Recommended for medical imaging equipment, marine instrumentation, high-strength electronic enclosures, aerospace components, and subsea applications. Keywords: Nitronic 50 threaded rods.

  • Nitronic 60 (UNS S21800): ASTM A193 B8N — Superior wear and galling resistance with good corrosion properties. Excellent for frequently adjusted threaded rods and moving parts. Self-lubricating characteristics. Ideal for valve components, pump hardware, adjustable mechanisms, high-wear applications, and instrumentation. Keywords: Nitronic 60 threaded rods.

High-Performance Stainless:

  • 254 SMO (UNS S31254): EN 1.4547, ASTM A479 — Excellent seawater and chloride resistance with high PREN value (>42). Outstanding pitting and crevice corrosion resistance. Recommended for offshore electronics, desalination hardware, coastal architectural fasteners, marine applications, and chemical processing. Keywords: 254 SMO threaded rods.

  • 310 Stainless Steel (UNS S31000): ASTM A276, AISI 310 — Outstanding high-temperature oxidation resistance up to 2000°F. Excellent in cyclic temperature conditions. Good carburization resistance. Ideal for furnace hardware, heat treat fixtures, exhaust system components, high-temperature sensors, and thermal processing. Keywords: 310SS threaded rods.

  • 316/316L Stainless Steel (UNS S31600/S31603): ASTM A276, ASTM A193 — Excellent corrosion resistance in marine and chemical environments. Good mechanical properties. Available in low-carbon version for improved weldability. Recommended for general industrial threaded rods, marine hardware, medical devices, food processing, and pharmaceutical equipment. Keywords: 316L threaded rods, 316SS threaded rods.

  • Alloy 20 (Carpenter 20) (UNS N08020): ASTM B473 — Superior resistance to sulfuric acid and chloride stress corrosion. Excellent in mixed acid environments. Recommended for chemical processing equipment, pharmaceutical reactors, food processing hardware, acid handling systems, and pickling equipment. Keywords: Alloy 20 threaded rods.

  • Alloy 330 (UNS N08330): ASTM B536 — Excellent carburization and oxidation resistance at elevated temperatures. Good resistance to thermal fatigue. Ideal for industrial furnaces, heat treating equipment, petrochemical processing, high-temperature fixtures, and thermal cycling applications. Keywords: Alloy 330 threaded rods.

7. Ultra-High-Strength Cobalt Alloys

MP35N (UNS R30035): AMS 5844, ASTM F562 — Ultimate tensile strength exceeding 300 ksi with exceptional toughness and corrosion resistance. Non-magnetic. Excellent fatigue strength and biocompatibility. Recommended for aerospace actuators, medical implants, downhole instrumentation, high-security fasteners, marine applications, and racing components. Keywords: MP35N threaded rods.

MP159 (AMS 5846): Advanced cobalt-nickel alloy offering high strength and creep resistance at elevated temperatures. Superior to MP35N in high-temperature applications. Excellent fatigue and oxidation resistance. Ideal for gas turbine hardware, aerospace engine components, high-performance racing fasteners, critical high-temperature assemblies, and defense applications. Keywords: MP159 threaded rods.

Elgiloy® (UNS R30003): AMS 5833 — Non-magnetic, high-strength cobalt alloy with excellent corrosion resistance and fatigue properties. Good spring characteristics. Recommended for medical devices, aerospace components, spring applications, and instrumentation. Keywords: Elgiloy threaded rods.

8. High-Strength Aluminum & Iron-Based Alloys

Aluminum 2024 (UNS A92024): ASTM B211, AMS 4120 — High-strength aluminum alloy with good fatigue resistance. Available in T3, T4, T8 tempers. Recommended for aerospace components, defense hardware, and high-performance applications. Keywords: Aluminum 2024 threaded rods.

Aluminum 6061 (UNS A96061): ASTM B211, AMS 4117 — Versatile, heat-treatable aluminum alloy with good corrosion resistance and weldability. Available in T6 temper. Ideal for general industrial applications, electronics enclosures, marine hardware, and architectural components. Keywords: Aluminum 6061 threaded rods.

Aluminum 7075 (UNS A97075): AMS QQ-A-225/9, ASTM B211 — Available in T6, T73, T76 tempers. High strength-to-weight ratio (up to 83 ksi) with good corrosion resistance. Excellent machinability. Recommended for aerospace interiors, portable electronics, defense hardware, high-performance automotive components, sports equipment, and racing applications. Keywords: Aluminum 7075 threaded rods.

A286 (UNS S66286): AMS 5731, ASTM A453 Grade 660 — Iron-based superalloy with excellent high-temperature strength and oxidation resistance to 1300°F. Good cryogenic properties and corrosion resistance. Ideal for aerospace engine hardware, turbocharger components, high-temperature electronic enclosures, racing applications, and high-performance automotive. Keywords: A286 threaded rods.

9. Pure Nickel

Nickel 200/201 (UNS N02200/N02201): ASTM B160, ASME SB160 — High purity and excellent corrosion resistance in caustic environments. Good thermal and electrical conductivity. Non-magnetic. Recommended for caustic processing equipment, electronic components, food processing hardware, alkali service, and battery applications. Keywords: Nickel 200 threaded rods.


Custom Threaded Rod Manufacturing & Engineering Solutions

As a special alloy fastening solution expert, RAYCHIN provides complete custom threaded rod manufacturing services tailored to your exact specifications:

Manufacturing Capabilities

ProcessSize RangeToleranceApplication
Thread Rolling#0 - 2", M1.6 - M48Class 2A, 3A, 6g, 6hSuperior fatigue resistance, consistent thread form
Thread CuttingUp to 6" diameterClass 2A, 3A, 6gLarge diameters, special thread forms
Centerless Grinding3mm - 75mm diameter±0.0025mmPrecision diameters, tight tolerances
StraighteningAll lengths0.001" per footPrecision straightness requirements
Heat TreatmentFull range capabilitiesLot traceabilityOptimized mechanical properties
Surface FinishingPassivation, electropolishing, platingMil-Spec, ASTMEnhanced corrosion resistance, aesthetics

Engineering & Design Services

Material Selection Expertise:
Our metallurgical engineers analyze your application environment — temperature range (-423°F to 2200°F), corrosive media exposure (pH 0-14), load requirements (tensile, fatigue), pressure requirements (up to 20,000 psi), magnetic permeability needs (<1.05 μ), and applicable standards (NACE, ASME, API) — and recommend the optimal alloy from our 25+ material portfolio.

Thread Form Engineering:
Standard unified (UNC/UNF/UNEF), metric (ISO coarse/fine), or custom thread forms including:

  • Class 2A, 3A for inch series

  • Class 6g, 6h for metric series

  • Acme, buttress, and special thread forms

  • Left-hand threads for reverse rotation prevention

  • Multi-start threads for rapid assembly

  • Reduced root radius threads for enhanced fatigue life

Length & Tolerance Optimization:
We offer threaded rods in custom lengths with precision cut ends:

  • Standard lengths: 1m, 2m, 3m (metric) / 3ft, 6ft, 10ft, 12ft (inch)

  • Custom lengths up to 20m (65ft) available

  • Cut-to-length services with ±1mm tolerance

  • End chamfering and point options

Prototype Development:
Rapid turnaround prototype quantities (as few as 5 pieces) for design validation, fit-checking, and functional testing prior to full production. Typical prototype lead time: 7-14 business days.

Quality Assurance & Certification

  • Material Certification: Complete Material Test Reports (MTRs) to EN 10204 3.1/3.2 with full traceability to melt source

  • Dimensional Inspection: CMM, optical comparator, and laser micrometry verification to customer specifications

  • Thread Inspection: Thread gauges, thread micrometers, and optical thread measurement

  • Straightness Verification: Laser alignment inspection

  • Mechanical Testing: Tensile, yield, hardness, and proof load testing

  • PMI Testing: Positive Material Identification verification

  • Non-Destructive Testing: Ultrasonic, liquid penetrant (FPI), magnetic particle (MPI) inspection as required

  • Corrosion Testing: Salt spray (ASTM B117), intergranular corrosion (ASTM A262), stress corrosion cracking testing

  • Process Certification: AS9100, ISO 9001, ISO 13485, ITAR, NADCAP, and PED compliant

  • NACE Compliance: MR0175/ISO 15156 certification available


Industry Applications & Engineering Recommendations

IndustryApplicationRod TypeDesign ConsiderationRecommended Materials
Oil & GasFlange connections, wellhead equipment, BOP systemsFully threaded, double-endNACE MR0175, high pressure, sour serviceIncoloy 925, MP35N, Hastelloy C276, Duplex 2205, 17-4 PH
Power GenerationTurbine casings, generator assemblies, heat exchangersFully threaded, continuousHigh-temperature creep, thermal cyclingWaspaloy, Nimonic 80A/90, Inconel 718, A286, 310SS
Chemical ProcessingReactor vessels, heat exchangers, piping systemsFully threadedAcid resistance, high-temperatureHastelloy C276, Alloy 20, Zirconium 702, Tantalum, Incoloy 825
Aerospace & DefenseEngine mounts, structural connections, landing gearCustom rods, reduced shankHigh strength-to-weight, fatigue resistanceTitanium Grade 5, A286, 17-4 PH, Inconel 718, MP35N
Marine & OffshoreSubsea equipment, propeller systems, seawater pipingFully threadedSeawater corrosion, galvanic compatibilityMonel 400, Duplex 2205, AL-6XN, Titanium Grade 2, 316L
NuclearReactor components, fuel handling, control rod mechanismsFully threadedLow cobalt, radiation resistanceInconel 718, Zirconium 702, 304L, 316L, Nitronic 50
Refining & PetrochemicalHigh-temperature flanges, coke drums, FCC unitsFully threadedHigh-temperature sulfidation, thermal fatigueIncoloy 825, 310SS, Alloy 330, Hastelloy C276
Pulp & PaperDigesters, bleaching towers, recovery boilersFully threadedChloride environment, corrosionAL-6XN, 254 SMO, Hastelloy C22, Duplex 2205
SemiconductorVacuum chambers, gas delivery systems, processing equipmentFully threadedUltra-high vacuum, particle controlNitronic 60, 316L VIM-VAR, Titanium Grade 2
MedicalImplants, surgical instruments, diagnostic equipmentCustom rodsBiocompatibility, sterilization resistanceTitanium Grade 5/23, MP35N, 17-4 PH, 316LVM
ConstructionStructural bracing, anchor bolts, hanger systemsFully threadedLoad capacity, corrosion resistance316L, 304L, Galvanized steel
InfrastructureBridges, tunnels, rail systemsFully threadedLong-term durability, strengthDuplex 2205, 316L, A36 galvanized

Why Choose RAYCHIN as Your Fastening Solution Expert?

25+ Years of Material Science Leadership:

Our metallurgical engineering team possesses deep expertise across the full spectrum of superalloys, refractory metals, and specialty stainless steels. We maintain a comprehensive database of material properties, corrosion resistance data, and application performance records. We don't just manufacture fasteners — we engineer solutions optimized for your specific application environment.

Complete Vertical Integration:

From raw material sourcing and certification through manufacturing, heat treatment, surface finishing, and quality inspection, all processes are performed in-house under strict quality control. This vertical integration ensures:

  • Consistent quality from lot to lot

  • Complete traceability from melt source to finished product

  • Rapid response to design changes

  • Competitive pricing without supply chain markups

  • Shorter lead times for prototype and production quantities

Engineering Partnership:

We view ourselves as an extension of your engineering team. Our fastener engineers provide:

  • Technical consultation on material selection based on application requirements

  • Thread form optimization for fatigue life and assembly

  • Length and tolerance optimization for specific applications

  • Installation methodology recommendations

  • Failure analysis and corrective action support

  • Finite element analysis (FEA) for critical applications

  • Custom testing protocols for unique requirements

Global Standards Compliance:

Our products meet or exceed ASTM, ASME, DIN, ISO, JIS, BS, GB, API, NACE, and MIL-SPEC specifications, ensuring acceptance in regulated industries and global supply chains. We maintain current knowledge of international standards and can provide certification for any required specification.

Supply Chain Reliability:

We maintain strategic raw material inventory across our 25+ alloy portfolio, flexible manufacturing capacity, and robust quality systems to ensure consistent on-time delivery for both prototype quantities (5-100 pieces) and high-volume production runs (100,000+ pieces).

Sustainability Commitment:

We are committed to responsible material sourcing, energy-efficient manufacturing, and waste reduction. Our quality systems include:

  • Conflict minerals compliance (due diligence per OECD guidelines)

  • REACH and RoHS compliance for European markets

  • Environmental management (ISO 14001 principles)

  • Recycling and waste reduction programs

  • Sustainable packaging initiatives


Technical Specifications & Ordering Information

Standard Size Ranges

SystemDiameter RangeLength RangeThread TypesEnd Configurations
Unified (Inch)#0 through 4"3ft, 6ft, 10ft, 12ft, customUNC, UNF, UNEFPlain, Chamfered, Pointed
Metric (ISO)M3 through M1001m, 2m, 3m, customCoarse, FinePlain, Chamfered, Pointed
CustomAny requiredAny requiredAs specifiedAs specified

Thread Specifications

Thread TypeClassesStandardsApplications
Unified InchClass 2A, 3AASME B1.1General purpose, aerospace, automotive
Metric ISOClass 6g, 6hISO 261, ISO 262International applications, precision equipment
APICustomAPI 5B, API 7Oil & gas applications
NPT/NPTFClass 2ASME B1.20.1Sealing applications
Special FormsCustomACME, Buttress, WhitworthSpecialized applications

Available Finishes

FinishSpecificationApplicationBenefits
PassivationASTM A967, AMS 2700Stainless steelsRemoves free iron, enhances corrosion resistance
ElectropolishingASTM B912Stainless steels, titaniumMirror finish, improves cleanability, reduces friction
Black OxideMIL-DTL-13924Stainless steels, alloy steelsAnti-glare, mild corrosion resistance
Phosphate CoatingMIL-DTL-16232Alloy steelsLubricity, corrosion protection
Cadmium PlatingAMS 2400, QQ-P-416High-strength steelsLubricity, corrosion resistance
Silver PlatingAMS 2410, AMS 2412High-temperature alloysAnti-galling, high-temperature service
Zinc PlatingASTM B633Carbon, alloy steelsGeneral corrosion protection
PTFE CoatingAMS 2518, MIL-P-46038All alloysLow friction, chemical resistance
Xylan®ProprietaryAll alloysDry film lubricant, corrosion resistance
Hot-Dip GalvanizingASTM A153Carbon steelHeavy-duty corrosion protection
AnodizingMIL-A-8625, AMS 2469Aluminum, titaniumWear resistance, color coding

Request Engineering Consultation & Quote

Contact RAYCHIN's special alloy fastening solution experts today with your specifications or CAD drawings. We provide confidential technical consultation, rapid response prototyping, and competitive pricing for standard and custom threaded rod solutions in advanced alloys.

Email: sales@raychin.com
Web:
www.ray-chin.com
Response Time: < 24 hours
Engineering Support: Available in English, Mandarin, German, and Spanish
Prototype Turnaround: 7-14 business days
Production Lead Time: 4-8 weeks depending on quantity and alloy


1771682106883832574471819264.jpeg

Threaded Rods, All-Thread Rods, Fully Threaded Rods, Continuous Thread Studs, Double-End Threaded Rods, ASME B18.31.2 Threaded Rods, DIN 975 Threaded Rods, DIN 976 Threaded Rods, ASTM A193 Threaded Rods, Custom Threaded Rods, OEM Threaded Rods, 17-4 PH Threaded Rods, PH 13-8 Mo Threaded Rods, Inconel 718 Threaded Rods, Inconel 625 Threaded Rods, Inconel 600 Threaded Rods, Monel 400 Threaded Rods, Monel K500 Threaded Rods, Hastelloy C276 Threaded Rods, Hastelloy C22 Threaded Rods, Hastelloy B2 Threaded Rods, Incoloy 825 Threaded Rods, Incoloy 925 Threaded Rods, Waspaloy Threaded Rods, Nimonic 80A Threaded Rods, Nimonic 90 Threaded Rods, Duplex 2205 Threaded Rods, Alloy 926 Threaded Rods, AL-6XN Threaded Rods, Titanium Grade 5 Threaded Rods, Titanium Grade 2 Threaded Rods, Titanium Grade 23 Threaded Rods, Tantalum Threaded Rods, Zirconium 702 Threaded Rods, Molybdenum Threaded Rods, TZM Threaded Rods, Tungsten Threaded Rods, Nitronic 60 Threaded Rods, Nitronic 50 Threaded Rods, 254 SMO Threaded Rods, 310SS Threaded Rods, 316L Threaded Rods, Alloy 20 Threaded Rods, Alloy 330 Threaded Rods, A286 Threaded Rods, MP35N Threaded Rods, MP159 Threaded Rods, Aluminum 7075 Threaded Rods, Aluminum 6061 Threaded Rods, Nickel 200 Threaded Rods, Aerospace Threaded Rods, Oil & Gas Threaded Rods, Marine Threaded Rods, Chemical Processing Threaded Rods, Power Generation Threaded Rods, Nuclear Threaded Rods, High Temperature Threaded Rods, Corrosion Resistant Threaded Rods, NACE MR0175 Threaded Rods, API Flange Studs, Pressure Vessel Threaded Rods, Heat Exchanger Threaded Rods, Turbine Threaded Rods, Subsea Threaded Rods, Special Alloy Fastener Manufacturer, Fastening Solution Expert.


Request A Quote! We'll respond as soon as possible(within 12 hours)

Submit
Related Products