AWS: ER502 Stainless Welding Wire  is used for welding 502 base materials, frequently tubeor pipe. Preheating and post-weld heat treatment is required.

AWS: ER502

Deposited Chemical Composition % (Typical)

Mechanical Properties R.T.

Deposited All Weld Metal Properties

Welding Positions:

C = 0.07 Si = 0.36 Mn = 0.44
P = 0.009 S = 0.006 Cr = 5.45
Mo = 0.55

Conforms to Certification:

 AWS A5.9

Yield Strength                       60,500psi

Tensile Strength                   78,500psi

Elongation                             32%

C = 0.10 max P = 0.03 max
Cr = 4.6 – 6.0 S = 0.03 max
Ni = 0.60 max Mo = 0.45 – 0.65
Mn = 0.60 max Cu = 0.75 max

AWS Chemical Composition

Data is typical for ER502 weld metal deposited by mig using argon + 2% oxygen and tig using 100% argon as the shieldinggas. Data on sub-arc is dependent on the type of flux used.

Si = 0.50 max