ER308 stainless steel welding wire is used in MIG, TIG, and submerged arc processes for all 300 series stainless steels up to and including 308.  It is the most popular stainless wire for general-purpose applications where corrosion is moderate.  ER308 works great with 304 stainless steel.

AWS Specification           
AWS A5.9

AWS Classification            
ER308

Welding Current
DCEP (Electrode Positive)

Typical Wire Chemistry
C         0.04
Si        0.46
Mn       1.65
Ni        9.85
Cr        20.45

Typical Mechanical Properties (As Welded)
Tensile Strength, psi            86,500
% Elongation in 2"                39

Welding Positions
All positions

Shielding Gas
AR or AR / CO₂ mix

Available Diameters
.023", .030", .035", & .045"- GMAW
.035", .045", 1/16", 3/32", & 1/8" - GTAW

Operating Range In Amps
.023"   35 - 70
.030"   50 - 100
.035"   100 - 150
.045"   150 - 200  

Back to Product Menu