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AISI 321

AISI 321

ER321 is a 19% chromium – 9% nickel – plus titanium stainless steel filler metal used for TIG welding base metals of similar analysis. The titanium content reduces intergranular chromium carbide precipitation thereby increasing resistance to intergranular corrosion.

TYPICAL WIRE CHEMISTRY (%)

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AISI 321

C

0.05

Cr

19.00

Ni

9.75

Mo

0.38

Mn

1.75

Si

0.48

Ti

0.65

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