Alloy Name: 321 Stainless Wire
Uns Number: S32100
Description: 321 is an austenitic chromium-nickel stainless steel containing Titanium. Alloy 321 provides excellent resistance to oxidation and corrosion and possesses good strength.
Size/diameter (inches): 0.0150 - 0.1870
Specification: ASTM-A-580
Conforms to ASTM-A-313
Conforms to AMS 5689
Conforms to AMS-QQ-S-763
Temper: Annealed
1/4 Hard
1/2 Hard
Typical Chemistry: C: 0.08 max
Mn: 2.00 max
P: 0.045 max
S: 0.03 max
Si: 1.00 max
Cr: 17.00-19.00
Ni: 9.00-12.00
Ti: 5xC min
*Typical Chemistry listed above is for reference only and is not to be used for specification purposes.
Available Forms: Spools
Cut Lengths
Note For Non Stock Items:

If you need a non-stock item, we custom manufacture wire in most diameters and lengths.

Warranty Clause:

Bob Martin company believes the information contained herein to be reliable. However, the technical information is given without charge by Bob Martin Company and the user shall employ such information at its own discretion and risk. Bob Martin Company assumes no responsibility for results obtained or incurred from the use of such information in whole or in part.

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