ER317L

Class: ER317L
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 = 18.5 – 20.5
Ni = 13.0 – 15.0
Mo = 3.0 – 4.0
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
ER317L is used for welding stainless steels with similar composition. Due to its higher molybdenum content, this alloy offers high resistance to pitting and crevice corrosion. Lower carbon makes the weld metal less susceptible to inter-granular corrosion.

Deposited Chemical Composition %(Typical)
C = 0.02 Mo = 3.40 P = 0.010
Cr = 18.50 Mn = 1.70 S = 0.012
Ni = 13.20 Si = 0.40
Mechanical Properties (R.T.)
Yield Strength 55,000psi
Tensile Strength 87,000psi
Elongation 47%
Reduction of Area 70%

Deposited All Weld Metal Properties
Data is typical for ER317L 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.