Inconel 600 Bolts Manufacturer & Exporter in India

Explore Inconel 600 Bolts Manufacturer & Exporter in India manufactured for demanding industrial applications with reliable strength, corrosion resistance and compliance with international standards.

-200

Min Temp

1200

Max Temp

🌡

1200

Suitable for continuous service up to approximately 1200°C under typical operating conditions.

⚡

760

Typical tensile strength around 760 MPa depending on product form and heat treatment.

🛡

Excellent

Excellent corrosion resistance in a wide range of industrial environments.

⚖

8.4

Typical density is approximately 8.4 g/cm³.

Product Overview

What are Inconel 600 Bolts?

Inconel 600 bolts are nickel-chromium alloy fasteners manufactured from UNS N06600 bar stock conforming to ASTM B166. The alloy’s high nickel content (72% min) combined with chromium (14-17%) delivers exceptional resistance to oxidation, carburization, and chloride-induced stress corrosion cracking across a broad temperature range from cryogenic conditions up to 1175°C.

Inconel 600 bolts are specified under ASTM F468 for high-temperature furnace assemblies, nuclear reactor components, and chemical processing equipment where standard austenitic stainless steels fail due to oxidation or stress corrosion. The alloy’s immunity to chloride SCC makes it a preferred fastener material for heat exchanger tube sheet connections and caustic service flanges worldwide.

Quick Specifications

MaterialInconel 600
UNS NumberN06600
DIN Number2.4816
Material StandardASTM B166
Bolt Standard (Metric)DIN 931 / DIN 933 / ISO 4014
Bolt Standard (Inch)ASME B18.2.1
Thread FormISO Metric / UNC / UNF
Diameter RangeM6-M100 / ¼"-4"
Tensile Strength550 MPa (80 ksi) min
Yield Strength240 MPa (35 ksi) min
HardnessMax 35 HRC / 200 HB
? All material certified by NABL-accredited laboratory. PMI available on request.

Complete the Fastener Set

Other Inconel 600 Fastener Products Available from RealBolt

RealBolt also manufactures the complete Inconel 600 fastener range from certified nickel-chromium superalloy bar stock, including Inconel 600 Nuts, Inconel 600 Screws, Inconel 600 Washers, Inconel 600 Studs, and Inconel 600 Threaded Rods. All Inconel 600 fastener types are produced to ASTM with full EN 10204 MTC 3.1/3.2 documentation.

Technical Data

Inconel 600 Bolts Dimensions, Sizes & Thread Standards

Inconel 600 Bolts are available in metric M6–M100 and inch ¼″–4″ as standard. Per DIN 931 (partial thread) / DIN 933 (full thread) / ISO 4014. Custom lengths in 5mm increments. Inch dimensions available per ASME B18.2.1. All Inconel 600 bolts dimensions are verified against applicable DIN, ISO, and ASME

Hex Bolt Dimensions - Metric (DIN 931 / ISO 4014)

Size (M)Pitch (mm)A/F (mm)Head Ht (mm)Min L (mm)Max L (mm)
M61.0104.010200
M81.25135.312250
M101.5176.416300
M121.75197.520400
M162.02410.025500
M202.53012.530600
M243.03615.040600
M303.54618.750800
M364.05522.5601000
M424.56526.0801000
M485.07530.01001200
M565.58535.01201500
M646.09540.01402000
M726.010545.01602000
M806.011550.01802500
M1006.014563.02003000

Dimensional & Material Standards

StandardCoversThread
DIN 931Hex bolts, partial threadMetric
DIN 933Hex bolts, full threadMetric
ISO 4014Hex head screws, partialMetric
ISO 4017Hex head screws, fullMetric
ASME B18.2.1Hex & heavy hex boltsUNC/UNF
ASME B16.5Stud bolts for flangesUNC
MSS SP-75Stud bolts, high-pressureUNC
Material StandardRequirement
ASTM B166Bar/rod - UNS N06600
ASTM F468Fastener mechanical properties
NACE MR0175Sour service hardness limit
EN 10204 3.1Mill test certificate
EN 10204 3.2TPI-witnessed MTC

Material Chemistry

Inconel 600 Chemical Composition

Inconel 600 Bolts are manufactured from a nickel-chromium superalloy containing nickel (72% min), chromium (14–17%), and iron (6–10%). Each element is precisely controlled per ASTM — nickel provides chloride SCC immunity, chromium drives high-temperature oxidation resistance, and iron balances structural stability and alloy cost.

Chemical Composition per ASTM B166

ElementComposition (%)
Nickel (Ni)72.0% min
Chromium (Cr)14.0-17.0%
Iron (Fe)6.0-10.0%
Carbon (C)0.15% max
Manganese (Mn)1.0% max
Silicon (Si)0.50% max
Copper (Cu)0.50% max
Sulfur (S)0.015% max
? All heats verified by NABL-accredited spectrometry. PMI available on request.

Why Inconel 600 Alloy Composition Matters for Bolts

Ni (72% min) — Chloride SCC Immunity
The high nickel base of Inconel 600 provides complete immunity to chloride-induced stress corrosion cracking — a failure mode that eliminates austenitic stainless steel bolts in hot caustic and steam environments. This makes Inconel 600 bolts the standard choice for nuclear steam generator and heat exchanger tube sheet connections.
Cr (14–17%) — High-Temperature Oxidation Resistance
Chromium forms a stable, adherent oxide layer that protects bolt threads and bearing surfaces from oxidation scaling at temperatures up to 1175°C. Inconel 600 bolts retain their mechanical integrity in furnace atmospheres, carburizing environments, and cyclic thermal exposure where stainless fasteners suffer rapid degradation.
Fe (6–10%) — Structural Stability & Cost Balance
The controlled iron content stabilises the austenitic matrix and contributes to the alloy's excellent fabricability. Unlike precipitation-hardened nickel alloys, Inconel 600 bolts are used in the annealed condition, simplifying procurement, inspection, and replacement in maintenance-critical applications.

Fastener Performance

Inconel 600 Bolts Mechanical Properties & Torque Reference

The table below lists mechanical properties and torque reference for Inconel 600 Bolts per ASTM. Inconel 600 bolts achieve 760 MPa tensile strength, with hardness, yield, and elongation values verified by NABL-accredited testing and reported in the EN 10204 MTC.

Tightening Torque Reference - Inconel 600 Bolts

Bolt SizeDry (Nm)Lubricated (Nm)Clamp Load (kN)
M12625023
M1615012055
M2029523688
M24510408127
M301020816202
M3617801424294
M4228402272405
M4842103368532
?? Anti-galling: Use nickel-based anti-seize (Molykote P-37 or Bostik Never-Seez Pure Nickel). Lubricated values assume K=0.15. Never use copper-based anti-seize on nickel alloys - galvanic corrosion risk.

Industry Applications

Inconel 600 Bolts Applications — Industries & End Uses

Inconel 600 Bolts from RealBolt are specified across oil and gas, aerospace, chemical processing, and power generation where excellent corrosion resistance and 760 MPa tensile strength are required for reliable fastener performance. Click each industry below for detailed application examples.
Inconel 600 hex bolts and stud bolts are the standard fastener specification for industrial furnace door frames, retort closures, muffle furnace flanges, and heat treatment basket assemblies. The alloy’s oxidation resistance to 1175°C and resistance to carburizing atmospheres prevents bolt seizure and thread degradation during repeated thermal cycling – a common failure mode with stainless steel fasteners in these environments.
Inconel 600 bolts are used extensively in nuclear steam generator tube sheet connections, pressuriser heater sleeves, and reactor coolant system flanges where immunity to chloride stress corrosion cracking and resistance to high-purity water environments are mandatory. The alloy is listed in ASME Section III for nuclear pressure boundary applications and meets RCC-M requirements for French PWR construction.
Flange stud bolt sets for caustic soda (NaOH) evaporator closures, chlorination reactor nozzle connections, and organic acid process vessel flanges where Inconel 600’s resistance to alkaline and mildly acidic environments at elevated temperatures outperforms both stainless steel and Hastelloy C-276 on a cost-performance basis.
Inconel 600 bolts are specified for gas turbine combustion chamber liner attachments, exhaust collector flanges, and afterburner structural connections where sustained service temperatures exceed 900°C. The alloy’s resistance to oxidation and thermal fatigue in cyclic high-temperature service is recognised under AMS 5540 and AMS 5665 specifications.

Inconel 600 Bolts Standards & International Certifications

Inconel 600 Bolts from RealBolt Engineering Industries are manufactured to internationally recognised fastener dimensional standards covering thread form, tolerances, strength grades, and quality requirements. Every batch ships with EN 10204 MTC 3.1/3.2, PMI (XRF), NACE MR0175/ISO 15156, and NABL-accredited lab reports — available on request for all orders.
Standards
Certifications
ISO 9001:2015NACE MR0175NABL LabPED 2014/68/EUMTC 3.1 / 3.2

Buy Inconel 600 Bolts from India's Leading Manufacturer — Get a Competitive Quote Today

Partner with RealBolt — India’s leading manufacturer of certified Inconel 600 Bolts — for competitive pricing, EN 10204 MTC 3.1/3.2 documentation, and fast Mumbai dispatch. Standard sizes are ex-stock; custom dimensions accepted with 2–3 week lead time. Request your quote today.

Answers for Buyers

Inconel 600 Bolts — Frequently Asked Questions

Browse expert answers to common questions about Inconel 600 Bolts from RealBolt — covering ASTM standards, max service temperature, corrosion resistance, available sizes, lead times, and MTC certification. Contact our technical team directly for project-specific guidance on Inconel 600 bolts selection and pricing.
Inconel 600 hex bolts are manufactured to DIN 931 (metric partial thread), DIN 933 (metric full thread), ISO 4014/4017, and ASME B18.2.1 for inch hex and heavy hex configurations. Stud bolts for flange applications are produced per ASME B16.5 and MSS SP-75. Special thread forms including BSW, BSF, and BSPP are available on request with a standard lead time of 15 working days from order confirmation.
Yes – Inconel 600 is one of the most widely specified alloys for furnace fastener applications. It maintains structural integrity and oxidation resistance up to 1175°C in air and resists carburizing and nitriding atmospheres that rapidly degrade stainless steel bolts. For cyclic thermal service above 900°C, specify annealed condition per ASTM B166 and use nickel-based anti-seize to prevent thread galling during hot disassembly.
Yes – Inconel 600 is immune to chloride-induced stress corrosion cracking and performs reliably in high-purity water, steam, and caustic (NaOH) environments. It is listed in ASME Section III for nuclear pressure boundary fastener applications and is widely used in pressurised water reactor (PWR) steam generator tube sheet connections. For caustic concentrations above 50% at elevated temperatures, confirm suitability with our engineering team.
Standard sizes from M12 to M36 are held ex-stock in Mumbai with no formal minimum order quantity – single-piece supply is available for emergency maintenance requirements. Custom sizes and non-standard thread forms carry a minimum order of 10 kg. ASME B16.5 flange stud bolt sets are supplied by the complete set with no minimum. Volume price breaks apply at 50, 200, and 500 pieces.

Industrial Cities We Serve:

  • Ahmedabad
  • Aurangabad
  • Bengaluru
  • Chennai
  • Coimbatore
  • Faridabad
  • Gandhidham
  • Greater Noida
  • Gurugram
  • Hazira
  • Hosur
  • Hyderabad
  • Jamnagar
  • Jamshedpur
  • Ludhiana
  • Mumbai
  • Mundra
  • Mysuru
  • Nagpur
  • Nashik
  • Navi Mumbai
  • Noida
  • Pune
  • Rajkot
  • Sanand
  • Surat
  • Thane
  • Tiruppur
  • Vadodara
  • Visakhapatnam

Countries We Export To:

  • US
  • Canada
  • Mexico
  • Germany
  • UK
  • France
  • Italy
  • Spain
  • Netherlands
  • Belgium
  • Poland
  • Sweden
  • Norway
  • Denmark
  • Turkey
  • UAE
  • Saudi Arabia
  • Qatar
  • Oman
  • Kuwait
  • Bahrain
  • South Africa
  • Egypt
  • Nigeria
  • Australia
  • New Zealand
  • Singapore
  • Malaysia
  • Indonesia
  • Thailand
  • Vietnam
  • South Korea
  • Japan
  • Brazil