Class: ER308L

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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

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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.

Stainless Steel ER 308 / ER 308L

Technical Data Sheet

 

Chemical Composition Limits Weight% C Mn Si Cr Ni S P Mo Cu ER 308
ER 308 L 0.03 1-2.5 0.30-0.65 19.5-22 9-11 0.03 max 0.03 max 0.75 max 0.75 max

Alloy ER 308L is ideal for welding Types 304L, 321 and 347. This classification is the same as alloy ER 308, except for the carbon content. The carbon content is held to a maximum of 0.03% to reduce the possibility of intergranular carbide precipitation. This increases the resistance to intergranular corrosion without the use of stabilizers such as columbium (niobium) or titanium. Strength of this low-carbon alloy, however, is less than that of the columbium (niobium) - stabilized alloys or Type 308H at elevated temperatures.

Typical Mechanical Properties

Material Ultimate Tensile Strength Offset Yield Strength 0.2 % Elongation (%) psi MPa psi MPa ER 308/ 308L 84,100 580 58,000 400 42

Availability
Alloy ER 308/308L is a Stainless Steel TIG, MIG and SUB-ARC wire used for welding. For all stock availability contact Sales.

Specifications
AWS 5.9
ASME SFA 5.9
AWS ER 308/308L
UNS S

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

 

For more information, please visit ER308L welding wire for chemical processing.