Alloy Name: 321 Safety Wire
Uns Number: S32100
Description: Alloy 321 is an austenitic chromium-nickel stainless steel containing Titanium. It Alloy 321 provides excellent resistance to oxidation and corrosion and possesses good strength. Used for: Multipurpose safety wire/lockwire and tie wire. Annealed condition, (not heat treatable) can be work hardened.
Size/diameter (inches): 0.0150 - 0.1250
Specification: ASTM-A-580
Conforms to AMS 5689
Temper: Annealed
Typical Chemistry: C: 0.08 max
Mn: 2.00 max
P: 0.04 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.
Package Size: 1 lb
5 lb
10 lb
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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