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ER308L – Stainless Steel TIG Welding Rods


ER308L – Stainless Steel TIG Welding Rods

Class: ER308L    AWS: A5.9

Conforms to Certification: AWS A5.9    ASME SFA A5.9

Weld Process Used for Tig (GTAW)

AWS Chemical Composition Requirements
C = 0.03 max
Cr = 19.5 – 22.0
Ni = 9.0 – 11.0
Mo = 0.75 max
Mn = 1.0 – 2.5
Si = 0.30 – 0.65
P = 0.03 max
S = 0.03 max
Cu = 0.75 max

Available Sizes
.030 x 36
.035 x 36
.045 x 36
1/16 x 36
3/32 x 36
1/8 x 36
3/16 x 36
5/32 x 36

Application
ER308L has the same analysis as type 308 except the carbon content has been held to a maximum of .03% to reduce the possibility of intergranular carbide precipitation. ER308L is ideal for welding Types 304L, 321, and 347 stainless steels. This is a suitable wire for applications at cryogenic temperatures.

 

Deposited Chemical Composition % (Typical)
C = 0.02 Si = 0.32 Mn = 1.70
P = 0.011 S = 0.009 Cr = 20.0
Ni = 10

 

Mechanical Properties (R.T.) 
Yield Strength 57,000 psi
Tensile Strength 87,000 psi
Elongation 34%
Reduction of Area 56%

Deposited All Weld Metal Properties
Data is typical for ER308L weld metal deposited by Tig using 100% Argon as the shielding gas.

 

Recommended Welding Parameters
GTAW “Tig Process”
Wire Diameter Amps DCSP Volts Shielding Gas
.035 60-90 12-15 Argon 100%
.045 80-110 13-16 Argon 100%
1/16 90-130 14-16 Argon 100%
3/32 120-175 15-20 Argon 100%

Note: Parameters for tig welding are dependent upon plate thickness and welding position.
Other shielding Gases may be used for Tig welding. Shielding gases are chosen taking Quality, Cost, and Operability into consideration.


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