ER308L - Weld WireWeld Wire

Class: ER308L

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AWS: A5.9

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

Weld Process Used for Mig (GMAW) and Submerged Arc (SAW)

AWS Chemical Composition
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

Diameter X Spool Sizes

Diameter X Coil Sizes

.025 x 2#, 10#, 25# 1/16 x 60# & mill coil .030 x 2#, 10#, 25#, 30#, 33# 5/64 x 60# & mill coil .035 x 2#, 10#, 25#, 30#, 33# 3/32 x 60# & mill coil .045 x 2#, 10#, 25#, 30#, 33# 1/8 x 60# & mill coil 1/16 x 10#, 25#, 30#, 33# 3/16 x 60# & mill coil 5/32 x 60# & mill coil

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 Mig using Argon + 2% oxygen as the shielding gas. Data on sub-arc is not presented, as sub-arc is dependent on the type of flux used.

Recommended Welding Parameters

GMAW &#;Mig Process&#;

Reversed Polarity

Wire Diameter

Wire Feed

Amps

Volts

Shielding Gas

Gas CFH

Short Arc Welding

.030 13-26 40-120 16-20 Argon+2% O2 25 .035 13-26 60-140 16-22 Argon+2% O2 25

Spray Arc Welding

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.035 20-39 140-220 24-29 Argon+2% O2 38 .045 16-30 160-260 25-30 Argon+2% O2 38 1/16 10-16 230-350 27-31 Argon+2% O2 38

Other shielding Gases may be used for Mig welding. Shielding gases are chosen taking Quality, Cost, and Operability into consideration

Recommended Welding Parameters

SAW &#;Submerged Arc Welding Process&#;

Reversed Polarity Suggested

Wire Diameter

Amps

Volts

3/32 250-450 28-32 1/8 300-500 29-34 5/32 400-600 30-35 3/16 500-700 30-35

Both Agglomerated and fused fluxes can be used for submerged arc welding.
Note: The chemical composition of the flux mainly affects the chemistry of the weld metal and consequently its corrosion resistance and Mechanical properties.

 

 

ER308/308L  is used for welding types 304, 304L, 308, and 308L stainless steels.  It is very similar to type 308 but has a carbon content held to a max of .03% to avoid carbide precipitation.  This product can also be used for welding types 321 and 347 stainless steels.  This wire is suitable for applications at cryogenic temperatures.

AWS Class: ER308/308L Certification:  AWS A5.9/ A5.9M: Alloy:  ER308/308L AWS/ASME SFA A5.9

 

Welding Position:

F, V, OH, H

Current:

DCEP

 

Typical Properties (as welded)

Yield, kpsi: 59 Tensile Strength, kpsi: 88 Elongation%, min: 39

 

Typical Wire Chemistry as per AWS A5.9 (single values are maximum)

C Cr Ni Mo Mn Si P S Cu 0.03 19.5-22.0 9.0-11.0 0.75 1.0-2.5 0.30-0.65 0.03 0.03 0.75

 

Typical Welding Parameters Diameter Process Volt Amps/Shielding Gas in (mm) .023 (0.6) GMAW 14-19 30-85/98% Argon/2% Oxygen .030 (0.8) GMAW 15-20 45-125/98% Argon/2% Oxygen .035 (0.9) GMAW 16-22 60-150/98% Argon/2% Oxygen .045 (1.14) GMAW 17-22 90-210/98% Argon/2% Oxygen .035 (0.9) GTAW 12-15 60-100/100% Argon .045 (1.14) GTAW 13-16 70-120/100% Argon 1/16&#; (1.6) GTAW 12 80-150/100% Argon 3/32&#; (2.4) GTAW 12 150-250/100% Argon 1/8&#; (3.2) GTAW 12 200-375/100% Argon

 

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