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Inconel 600 Nuts Manufacturer & Exporter in India

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

Inconel 600 nuts 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, carburisation, and chloride-induced stress corrosion cracking across a wide temperature range from cryogenic to 1093°C.

Inconel 600 nuts are specified under ASTM F467 for high-temperature process flanges, furnace hardware, nuclear reactor components, and chemical processing equipment where standard stainless steel nuts fail through oxidation or stress corrosion. The alloy’s resistance to caustic environments and its non-magnetic character make it a preferred choice in aerospace, power generation, and petrochemical industries worldwide.

Quick Specifications

MaterialInconel 600
UNS NumberN06600
DIN Number2.4816
Material StandardASTM B166
Nut Standard (Metric)DIN 934 / DIN 6915 / ISO 4032
Nut Standard (Inch)ASME B18.2.2
Thread FormISO Metric / UNC / UNF
Size 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 Bolts, 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.
Inconel 600 Bolts
Inconel 600 Screws
Inconel 600 Washers
Inconel 600 Studs
Inconel 600 Threaded Rods

Technical Data

Inconel 600 Nuts Dimensions, Sizes & Thread Standards

Inconel 600 Nuts are available in metric M6–M100 and inch ¼″–4″ as standard. Per DIN 934 (hex nuts) / DIN 6915 (heavy hex nuts) / ISO 4032. Custom sizes available. Inch dimensions per ASME B18.2.2. All Inconel 600 nuts dimensions are verified against applicable DIN, ISO, and ASME B18 standards

Hex Nut Dimensions - Metric (DIN 934 / ISO 4032)

Size (M)Pitch (mm)A/F (mm)Nut Height (mm)A/C (mm)
M61.0105.011.05
M81.25136.514.38
M101.5178.018.90
M121.751910.020.03
M162.02413.026.75
M202.53016.032.95
M243.03619.039.55
M303.54624.050.85
M364.05529.060.79
M424.56534.071.30
M485.07538.082.60
M565.58545.093.56
M646.09551.0104.86
M726.010558.0116.16
M806.011564.0127.46
M1006.014580.0160.00

Dimensional & Material Standards

StandardCoversThread
DIN 934Hex nuts, standard heightMetric
DIN 6915Heavy hex nuts, high-strengthMetric
ISO 4032Hex nuts, style 1Metric
ISO 4033Hex nuts, style 2 (high)Metric
ASME B18.2.2Hex & heavy hex nutsUNC/UNF
ASME B16.5Heavy hex nuts for flangesUNC
MSS SP-75Heavy hex nuts, high-pressureUNC
Material StandardRequirement
ASTM B166Bar/rod - UNS N06600
ASTM F467Fastener mechanical properties
NACE MR0175Sour service hardness control
EN 10204 3.1Mill test certificate
EN 10204 3.2TPI-witnessed MTC

Material Chemistry

Inconel 600 Chemical Composition

Inconel 600 Nuts 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
Sulphur (S)0.015% max
? All heats verified by NABL-accredited spectrometry. PMI available on request.

Why Inconel 600 Alloy Composition Matters for Nuts

Ni (72% min) — Stress Corrosion Cracking 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 nuts in hot chloride environments such as nuclear reactor coolant systems and marine steam lines.
Cr (14–17%) — High-Temperature Oxidation Resistance
Chromium forms a stable, adherent oxide scale that protects Inconel 600 nuts from oxidation and carburisation up to 1093°C. This makes the alloy the standard choice for furnace hardware, heat treatment fixtures, and high-temperature flange connections where stainless steel nuts scale and seize.
Fe (6–10%) — Structural Stability & Cost Balance
The controlled iron content stabilises the austenitic matrix and contributes to the alloy's resistance to nitrogen-bearing atmospheres. It also provides a cost advantage over higher-alloyed nickel grades while maintaining the mechanical properties required for ASTM F467 fastener certification.

Fastener Performance

Inconel 600 Nuts Mechanical Properties & Torque Reference

The table below lists mechanical properties and torque reference for Inconel 600 Nuts per ASTM. Inconel 600 nuts 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 Nuts

Nut SizeDry (Nm)Lubricated (Nm)Clamp Load (kN)
M12625024
M1615012057
M2029523690
M24510408130
M301020816207
M3617801424300
M4228402272413
M4842103368543
?? 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 Nuts Applications — Industries & End Uses

Inconel 600 Nuts 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 nuts are the standard fastener material for nuclear reactor primary coolant system flanges, steam generator channel head closures, and pressuriser nozzle connections. The alloy’s immunity to stress corrosion cracking in high-purity water at 300°C and its resistance to radiation embrittlement make it the preferred choice per ASME Section III nuclear code requirements.
Heavy hex nuts and coupling nuts in Inconel 600 are widely used on furnace muffle flanges, retort closures, radiant tube end caps, and heat treatment basket hardware. The alloy resists oxidation and carburisation at temperatures up to 1093°C, eliminating the frequent nut replacement cycles associated with stainless steel fasteners in continuous furnace environments.
Inconel 600 nuts are specified for flange connections on caustic soda (NaOH) concentration columns, chlorination reactor covers, and organic acid process vessels where austenitic stainless steel nuts are susceptible to stress corrosion cracking. The alloy performs reliably in both oxidising and reducing chemical environments across a broad pH range.
Hex nuts and self-locking nuts in Inconel 600 are used on aircraft exhaust collector ring flanges, turbine casing joints, and afterburner duct connections where sustained temperatures exceed the capability of standard stainless steel fasteners. AMS 5665 specification governs bar stock used for aerospace-grade nut manufacture.

Inconel 600 Nuts Standards & International Certifications

Inconel 600 Nuts 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
DIN 934 ISO 4032 ASME B18.2.2 IS 1364 IS 1367
Certifications
ISO 9001:2015NACE MR0175NABL LabPED 2014/68/EUMTC 3.1 / 3.2

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

Partner with RealBolt — India’s leading manufacturer of certified Inconel 600 Nuts — 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.
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Answers for Buyers

Inconel 600 Nuts — Frequently Asked Questions

Browse expert answers to common questions about Inconel 600 Nuts 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 nuts selection and pricing.
Inconel 600 hex nuts are manufactured to DIN 934 (standard hex, metric), DIN 6915 (heavy hex, metric), ISO 4032 / ISO 4033, and ASME B18.2.2 (inch hex and heavy hex). Heavy hex nuts for ASME B16.5 flange stud bolt sets are supplied per ASME B18.2.2 with proof load testing per ASTM F467. Coupling nuts, jam nuts, and flange nuts are available on request with 15 working day lead time for non-standard configurations.
Yes – Inconel 600 nuts retain useful mechanical properties and oxidation resistance up to 1093°C in oxidising atmospheres. The alloy forms a stable chromium oxide scale that prevents further oxidation at elevated temperatures. For cyclic thermal service above 900°C, specify nuts in the annealed condition to maximise ductility and resistance to thermal fatigue cracking. Cold-worked or strain-hardened material should be avoided in applications with frequent thermal cycling above 700°C.
Yes – Inconel 600 is one of the few alloys with proven resistance to hot concentrated caustic soda (sodium hydroxide) solutions. The high nickel content (72% min) provides resistance to caustic stress corrosion cracking at temperatures up to 315°C, making Inconel 600 nuts the standard specification for caustic evaporator flanges, chlor-alkali plant connections, and soap manufacturing equipment where stainless steel nuts fail through caustic embrittlement.
Inconel 600 (UNS N06600) offers superior high-temperature oxidation resistance up to 1093°C and immunity to caustic stress corrosion cracking, making it the preferred choice for furnace hardware, nuclear components, and chemical processing. Inconel 625 (UNS N06625) provides significantly higher tensile strength (758 MPa vs 550 MPa), a PREN of 51+ for seawater pitting resistance, and NACE MR0175 sour service compliance. Select Inconel 600 nuts for high-temperature and caustic applications; select Inconel 625 nuts for offshore, subsea, and chloride-rich environments requiring maximum corrosion resistance.

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
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  • 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
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  • Singapore
  • Malaysia
  • Indonesia
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  • South Korea
  • Japan
  • Brazil