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Gnee Steel – Stainless Steel 321,321H

Gnee Steel – Stainless Steel 321,321H

Alloy 321 (UNS S32100) is a titanium stabilized austenitic stainless steel with good general corrosion resistance. 321H (UNS S 32109) is the higher carbon (0.04 – 0.10) version of 321 stainless steel.

It has excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 800 – 1500°F (427 – 816°C). The alloy resists oxidation to 1500°F (816°C) and has higher creep and stress rupture properties than alloys 304 and 304L. It also possesses good low temperature toughness.