321 stainless steel is similar to Type 304 stainless steel, however, it contains a Titanium addition of at least five times the carbon content.
321 stainless steel Chemical Formula
Fe, <0.08% C, 17-19% Cr, 9-12% Ni, <2% Mn, <1% Si, 0.3-0.7% Ti, <0.045% P, <0.03% S
321 stainless steel applications:
Aircraft Exhaust Stacks and Manifolds, Chemical Processing Equipment, Welded Equipment, Jet Engine Parts, etc.
321 stainless steel Welding
Excellent weldability by all standard fusion methods, both with and without filler metals. AS 1554.6 pre-qualifies welding of 321 and 347 with Grade 347 rods or electrodes; high silicon version of 347 is also pre-qualified for welding of 321.
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