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ASTM A240 Grade 302 Stainless Steel Wire Hardening

ASTM A240 Grade 302 Stainless Steel Wire is widely found in strip and wire forms. Grade 302 Stainless Steel Wire is a standard specification for chromium and chromium-nickel stainless steelsheet, plate, and strip used for pressure vessels and for general applications. Grade 302 stainless steel wire is widely used in the stamping, spinning and wire forming industry. This alloy is also used to form springs, washers, screens and cables.

ASTM A240 Grade 302 Wire Chemical Composition

Mechanical Property of ASTM A240 Grade 302 Stainless Steel

Equivalent steel grade of TP302 Wire

Grade 302 Stainless Steel Wire Hot Working

Uniform heating to 2100 F(1149 C) will allow Grade 302 stainless steel to be forged, upset and headed successfully. Do not work 302 below 1700 F (927 C).

Grade 302 Stainless Steel Wire Cold Working

Cold working will dramatically increase the hardness of this material, however it is quite ductile and may readily be drawn, spun and upset. Any cold work will cause this alloy to become magnetic.

Grade 302 Stainless Steel Wire Annealing

1850-2050 F (1010-1121 C) with cooling at a rapid rate to avoid the precipitation of chromium carbides.

Grade 302 Stainless Steel Wire Hardening

This alloy does not respond to heat treatment.

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