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Cupro Nickel 90/10 Threaded Rods Manufacturer & Exporter in India

Explore Cupro Nickel 90/10 Threaded Rods 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

1000

Max Temp

🌡

1000

Suitable for continuous service up to approximately 1000°C under typical operating conditions.

⚡

700

Typical tensile strength around 700 MPa depending on product form and heat treatment.

🛡

Excellent

Excellent corrosion resistance in a wide range of industrial environments.

⚖

8.9

Typical density is approximately 8.9 g/cm³.

Product Overview

What are Cupro Nickel 90/10 Threaded Rods?

Cupro Nickel 90/10 threaded rods are corrosion-resistant fasteners manufactured from a copper-nickel alloy containing 90% copper and 10% nickel, designated as UNS C70600. These rods are produced to ASTM B151 and B122 standards, offering excellent resistance to seawater corrosion, biofouling, and stress corrosion cracking. Their non-sparking and anti-microbial properties make them ideal for marine, desalination, and chemical processing applications.

With a combination of high ductility, moderate strength, and outstanding resistance to brine and saline environments, Cupro Nickel 90/10 threaded rods are widely specified for use in shipbuilding, offshore platforms, and heat exchanger assemblies where stainless steel may fail due to chloride attack.

Quick Specifications

MaterialCupro Nickel 90/10
UNS NumberC70600
DIN Number2.0872
Material StandardASTM B151 / B122
Rod Standard (Metric)DIN 975 / DIN 976
Rod Standard (Inch)ASME B18.31.3
Thread FormISO Metric / UNC / UNF
Diameter RangeM6-M64 / ¼"-2½"
Tensile Strength245 MPa (35 ksi) min
Yield Strength105 MPa (15 ksi) min
HardnessMax 80 HRB / 150 HB
? All material certified by NABL-accredited laboratory. PMI and IGC test available on request.

Complete the Fastener Set

Other Cupro Nickel 90/10 Fastener Products Available from RealBolt

RealBolt also manufactures the complete Cupro Nickel 90/10 fastener range from certified copper-nickel alloy bar stock, including Cupro Nickel 90/10 Bolts, Cupro Nickel 90/10 Nuts, Cupro Nickel 90/10 Screws, Cupro Nickel 90/10 Washers, and Cupro Nickel 90/10 Studs. All Cupro Nickel 90/10 fastener types are produced to ASTM with full EN 10204 MTC 3.1/3.2 documentation.
Cupro Nickel 90/10 Bolts
Cupro Nickel 90/10 Nuts
Cupro Nickel 90/10 Screws
Cupro Nickel 90/10 Washers
Cupro Nickel 90/10 Studs

Technical Data

Cupro Nickel 90/10 Threaded Rods Dimensions, Sizes & Thread Standards

Cupro Nickel 90/10 Threaded Rods are available in metric M6–M100 and inch ¼″–4″ as standard. Per DIN 975 (full thread) / DIN 976 (studs) / ISO 898-1. Custom lengths available in 10mm increments. Inch dimensions per ASME B18.31.3. All Cupro Nickel 90/10 threaded rods dimensions conform to applicable DIN, ISO, and ASME B18 standards.

Threaded Rod Dimensions - Metric (DIN 975)

Size (M)Pitch (mm)Rod Length (mm)Thread Type
M61.01000 / 2000Full Thread
M81.251000 / 2000Full Thread
M101.51000 / 2000Full Thread
M121.751000 / 2000Full Thread
M162.01000 / 2000Full Thread
M202.51000 / 2000Full Thread
M243.01000 / 2000Full Thread
M303.51000 / 2000Full Thread
M364.01000 / 2000Full Thread
M424.51000 / 2000Full Thread
M485.01000 / 2000Full Thread
M565.51000 / 2000Full Thread
M646.01000 / 2000Full Thread

Dimensional & Material Standards

StandardCoversThread
DIN 975Threaded rods, full threadMetric
DIN 976Stud bolts, double-endedMetric
ISO 898-1Mechanical propertiesMetric
ASME B18.31.3Threaded rods (inch)UNC/UNF
Material StandardRequirement
ASTM B151Rod/bar - UNS C70600
ASTM B122Plate/sheet - C70600
EN 12163Rod/bar - CW352H
EN 10204 3.1Mill test certificate
EN 10204 3.2TPI-witnessed MTC

Material Chemistry

Cupro Nickel 90/10 Chemical Composition

Cupro Nickel 90/10 Threaded Rods are manufactured from a copper-nickel alloy with nickel (9–33%), iron (1–2%), and manganese additions per ASTM and MIL-C-15726. Iron additions are essential — they form a protective surface film that resists seawater impingement and erosion-corrosion at flow velocities up to 3.5 m/s in shipboard piping and offshore cooling systems.

Chemical Composition per ASTM B151

ElementComposition (%)
Copper (Cu)88.6% min
Nickel (Ni)9.0-11.0%
Iron (Fe)1.0-1.8%
Manganese (Mn)1.0% max
Zinc (Zn)1.0% max
Lead (Pb)0.05% max
Phosphorus (P)0.04% max
Other Elements0.30% max (total)
? All heats verified by NABL-accredited spectrometry. PMI and IGC test available on request.

Why Cupro Nickel 90/10 Alloy Composition Matters for Threaded Rods

Nickel (9–11%) — Seawater Corrosion Resistance
Nickel content ensures Cupro Nickel 90/10 threaded rods resist pitting, crevice corrosion, and biofouling in marine and desalination environments, outperforming brass and most stainless steels.
Iron & Manganese — Strength & Erosion Resistance
Iron and manganese additions improve mechanical strength and resistance to impingement attack from high-velocity seawater, making these rods suitable for shipbuilding and offshore piping supports.
Low Impurity Levels
Strict control of lead, phosphorus, and zinc ensures excellent weldability and prevents embrittlement, critical for threaded rods used in pressure-retaining and safety-critical assemblies.

Fastener Performance

Cupro Nickel 90/10 Threaded Rods Mechanical Properties & Torque Reference

The table below lists mechanical properties and torque reference for Cupro Nickel 90/10 Threaded Rods per ASTM. Cupro Nickel 90/10 threaded rods achieve 700 MPa tensile strength, with hardness, yield, and elongation values verified by NABL-accredited testing and reported in the EN 10204 MTC.

Rod SizeDry (Nm)Lubricated (Nm)Clamp Load (kN)
M12322612
M16655222
M2013010435
M2422017651
M3042033682
M36720576120
M421100880170
M4816001280230
?? Anti-galling: Use copper-based anti-seize (Molykote Cu-7439). Lubricated values assume K=0.16. Avoid over-torquing to prevent thread deformation.

Industry Applications

Cupro Nickel 90/10 Threaded Rods Applications — Industries & End Uses

Cupro Nickel 90/10 Threaded Rods from RealBolt are specified across marine shipbuilding, offshore seawater systems, and naval defence where excellent corrosion resistance and 700 MPa tensile strength are required for reliable fastener performance. Click each industry below for detailed application examples.
Cupro Nickel 90/10 threaded rods are the preferred choice for hull penetrations, seawater piping supports, and deck equipment mounting in naval and commercial vessels. Their resistance to biofouling and seawater corrosion ensures long service life in splash zones and submerged conditions.
Used for structural supports, filter housing assemblies, and brine pipeline connections in reverse osmosis and multi-stage flash desalination plants. The alloy’s immunity to chloride-induced corrosion makes it ideal for saline and brackish water environments.
Threaded rods for cable tray supports, riser clamps, and equipment mounting in splash zones and topside modules. Cupro Nickel 90/10’s resistance to stress corrosion cracking and erosion by high-velocity seawater is critical for offshore safety and reliability.
Specified for tube sheet tie rods, channel cover fasteners, and support assemblies in power plant condensers and marine heat exchangers, where resistance to ammonia and brine is required.

Cupro Nickel 90/10 Threaded Rods Standards & International Certifications

Cupro Nickel 90/10 Threaded Rods 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, Lloyds Register or DNV certification, NACE MR0175, and PMI (XRF) reports — available on request for all orders.
Standards
DIN 975 DIN 976-1 ASME B18.31.2 IS 1367 IS 1364
Certifications
ISO 9001:2015NABL LabPED 2014/68/EUMTC 3.1 / 3.2

Buy Cupro Nickel 90/10 Threaded Rods from India's Leading Manufacturer — Get a Competitive Quote Today

Partner with RealBolt — India’s leading manufacturer of certified Cupro Nickel 90/10 Threaded Rods — 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

Cupro Nickel 90/10 Threaded Rods — Frequently Asked Questions

Browse expert answers to common questions about Cupro Nickel 90/10 Threaded Rods from RealBolt — covering 70/30 vs 90/10 selection, ASTM B151, seawater immunity, MIL-C-15726 approval, sizes, and Lloyds/DNV certification. Contact our technical team directly for project-specific guidance on Cupro Nickel 90/10 threaded rods selection and pricing.
Cupro Nickel 90/10 threaded rods are available to DIN 975 (metric full thread), DIN 976 (studs), ISO metric coarse/fine, and ASME B18.31.3 (UNC/UNF inch threads). Custom thread forms such as BSW, BSF, and Whitworth can be supplied on request with a typical lead time of 2-3 weeks.
Use copper-based anti-seize compound (such as Molykote Cu-7439 or Loctite LB 8008 C5-A) on threads and nut faces to prevent galling and facilitate disassembly. Avoid nickel-based or graphite-based compounds, as they may cause galvanic corrosion in marine environments.
Yes – Cupro Nickel 90/10 threaded rods are specifically designed for continuous immersion in seawater and brine. They resist pitting, crevice corrosion, and biofouling, making them ideal for marine, desalination, and offshore applications without the need for additional coatings.
No formal MOQ for standard sizes (M8-M30) held ex-stock – single rods can be supplied for urgent repairs. Custom diameters and cut lengths typically require a 10 kg minimum. Price breaks are available at 25, 100, and 250 rods per order.

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