Alloy Name: 312 Welding Wire
Uns Number: S64299
Description: 312 is used to weld cast and wrought alloys of similar compositions and to weld dissimilar steels. The weld deposits exhibit high tensile strength and offer some resistance to abrasion.
Size/diameter (inches): 0.0300 - 0.1250
Specification: AMS 5784
Conforms to AWS A5.9 Class ER312
Temper: As Drawn
Typical Chemisty: C: 0.08-0.15
Cr: 27.00-31.00
Ni: 8.00-10.50
Mo: 0.50 max
Mn: 1.00-2.00
Si: 0.75 max
P: 0.04 max
S: 0.03 max
Cu: 0.50 max
*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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