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Type 321 stainless steel is similar to Type 304 stainless steel, however, it contains a Titanium addition of at least five times the carbon content. This addition is made to reduce or eliminate chromium carbide precipitation - resulting from welding or exposure to high temperatures. Maximum stabilization is accomplished by annealing between 1750กใ and 1850กใ F. Type 321 has extensive use in aircraft parts, such as exhaust systems where operating temperatures are higher than 800กใ F. and where corrosive conditions are not too severe; also because of its resistance to scaling and vibration fatigue.
Typical applications: Aircraft Exhaust Stacks and Manifolds, Chemical Processing Equipment, Welded Equipment, Jet Engine Parts, etc.
COMPLETE FACILITIES for Slitting - Shearing - Blanking and Edging. Available in coils or cut lengths. Sizes other than those listed and in all thicknesses .001 and heavier are obtainable and may be ordered for you.
Note: Available 36" wide in select gages
ASTM A 240
Rockwell B92 Max.
C .08 Max.
Mn 2.00 Max.
Cr 17.00 /19.00
Ti .70 Max.
P .040 Max.
S .030 Max.
Si .75 Max.