ALLOY 20 Washers, Flat Washers, Spring Washers, Lock Washers, Square Washers, DIN 125/127, ISO 7089/7090, ASME B18.22.1

ALLOY 20 Washers, Flat Washers, Spring Washers, Lock Washers, Square Washers, DIN 125/127, ISO 7089/7090, ASME B18.22.1



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Alloy 20 Washers are austenitic stainless steel washers manufactured from alloy containing chromium, nickel, molybdenum and nitrogen with restricted carbon content. Stainless Steel ALLOY 20 Washers have a combination of impact toughness resistance to chloride stress corrosion cracking, and pitting and crevice corrosion. TorqBolt is an eminent Alloy 20 washer supplier in India.

ASTM B463 Alloy 20

ASME SB463 Alloy 20

– Finish: Pickling and Passivation

– Compatible Fasteners: Alloy 20 Screw | Alloy 20 Bolts

– Marking: TorqBolt N08020

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


Product Features

DimensionsDIN 125/127, ISO 7089/7090, ASME B18.22.1
Melt OriginIndia
Product OriginMade in India
CertificationDual Certified As per ASTM & ASME Codes
Additional CertificationsPED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified
Additional RequirementsNACE MR0103/MR0175/ISO 15156 Compliance
Mandatory RequirementsFree from Mercury & Radioactive Contamination

ALLOY 20 Stainless Steel Washers Specification

Alloy 20 is a nickel chromium alloy with maximum resistance to sulphuric acid. Alloy 20 has good resistance to corrosion , pitting’s and crevice cracking. Addition of Niobium Stabilizes sensitive Intergranular corrosion. This alloy is provided in both solution annealed and stress relieved condition.

Alloy 20 Stainless Steel Properties

Chemical Heat Treatment

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TorqBolt is a well known stockist of Pitch Dia Alloy 20 Round Bars from ¼ Inch to 4 inch & 6mm to 100mm in 1 meter, 3 meter & 6 Meter lengths. All Threaded Bars are Magnetic Particle Examined in accordance with ASTM E 709 with Indications & Cracks within 3% of The Diameter.

Carpenter Alloy 20CB-3 is a registered trademark of Carpenter Technologies.

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.