Stainless Steel 420 Washers

Stainless Steel 420 Washers are high-performance fasteners made from a martensitic stainless steel grade known for its excellent strength and the ability to be heat-treated to achieve high levels of hardness. Unlike austenitic grades like 304, SS 420 contains a higher carbon content, which allows for hardening, making it highly wear resistant. Due to this hardness, these washers are ideally suited for applications where galling is a concern or where components require exceptional mechanical strength. Typical applications include valve components, surgical instruments, and machinery parts requiring high-wear resistance. Zeron Fastners offers a comprehensive range of these specialized washers, ensuring compliance with global material standards.

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SS 420 Washers Manufacturer in India

SS 420 Washers Chemical Composition

Element Composition (%)
Carbon (C) 0.15 min
Silicon (Si) 1.00 max
Manganese (Mn) 1.00 max
Phosphorus (P) 0.040 max
Sulphur (S) 0.030 max
Chromium (Cr) 12.00 – 14.00
Nickel (Ni) Not applicable

SS 420 Washers Mechanical Properties

Property Value (Hardened / Tempered)
Tensile Strength (MPa) 1586 max
Yield Stress (MPa) 1060 max
Hardness (Rockwell C) 49 max
Elongation % 15 min

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