Copper Nickel 90-10 Washers, Flat Washers, Spring Washers, Lock Washers, Square Washers, DIN 125/127, ISO 7089/7090, ASME B18.22.1

Copper Nickel 90-10 Washers, Flat Washers, Spring Washers, Lock Washers, Square Washers, DIN 125/127, ISO 7089/7090, ASME B18.22.1



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Copper Nickel 90/10 Washers are washers manufactured from copper alloy with additions of 10% nickel and other strengthning elements like iron and manganese. Cupro Nickel 90/10 Washers have excellent resistance to stress corrosion, erosion, and biofouling in seawater and brackish water. TorqBolt is an eminent Copper Nickel 90/10 washer supplier in India.

ASTM B171 Alloy 70600

ASME SB171 Alloy 70600

– Finish: Pickling and Passivation

– Compatible Fasteners: Cupro Nickel 90/10 Screw | Cupro Nickel 90/10 Bolts

– Marking: TorqBolt C70600

– Type: Cold Formed, Hot Formed, Bar Stock Machined, Bar Stock Milling


Product Features

DimensionsDIN 125/127, ISO 7089/7090, ASME B18.22.1
Melt OriginEast Europe/South America/Korea/Japan
Product OriginMade in India
CertificationDual Certified As per ASTM & ASME Codes
Additional CertificationsPED 97/23/EC Certified, Merkblatt AD 2000 W6 Certified
Additional RequirementsNACE MR0103/MR0175/ISO 15156 Compliance
Mandatory RequirementsFree from Mercury & Radioactive Contamination

Copper Nickel 90/10 Washers Specification

cupronickel 90-10also knows as UNS C70600 CUPRONICKEL with trade name CuNi10Fe1Mn has moderate strength and thermal stability at high temperature levels. Alloy 90-10 is highly resistant to oxidation and stress corrosion cracking. This alloy is a single phase alpha structure and is highly nourished with nickel. Alloy 90-10 has good resistance to sea water corrosion due to presence of manganese.

Copper Nickel 90/10 Properties

Chemical Heat Treatment

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TorqBolt is a well known stockist of Bright Finish Copper Nickel 90/10 Hex Bars from ¼ Inch to 4 inch & 6mm to 100mm in 1 meter, 3 meter & 6 Meter lengths. All Hexagonal Bars are Magnetic Particle Examined in accordance with ASTM E 709 with Indications & Cracks within 3% of The Diameter.

Cuprothal is a registered trademark of Kanthal, a Sandvik Materials Technology Company.

Raw Material Specifications: ASTM A276, A182, A240, A493, B98, B564, B637, B473, and A582 are noted for information only by American Society of Mechanical Engineers and American Society of testing and materials as suitable sources of material for the manufacture of bolts, hex cap screws, studs and washers, springs, forgings and flanges to the respective specification.