ER80S-B2

Class: ER80S-B2
AWS: A5.28

Conforms to Certification: AWS A5.28 | ASME SFA A5.28

Weld Process: Tig (GTAW) Welding Process

AWS Chemical Composition Requirements
C = 0.07 – 0.12 Mn = 0.40 – 0.70
Si = 0.40 – 0.70 P = 0.025 max
S = 0.025 max Ni = 0.20 max
Cr = 1.20 – 1.50 Mo = 0.40 – 0.65
Cu = 0.35 max Other = 0.50 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
ER80S-B2 is for gas metal arc welding of 1¼ chromium, ½ molybdenum steels, which are used in high temperature applications. 300ºF min. preheat and inter-pass are recommended during the welding operation.

Deposited Chemical Composition % (Typical)
C = 0.09 P = 0.012 Cr = 1.35
Mn = 0.55 S = 0.006 Mo = 0.55
Si = 0.48 Ni = 0.10 Cu = 0.15
Deposited Mechanical Properties (SR) (1150ºF One Hour)
Tensile Strength 85,000 psi
Yield Strength 72,000 psi
Elongation 22%

Deposited Charpy-V-Notch Impact Properties %
At +32ºF                60 ft. lbs.

Available Sizes & Recommended Welding Parameters

Process Diameter of Wire Voltage (V) Amperage (A) Gas
Tig .035 inches x 36 10 – 12 50 – 70 100% Argon
.045 inches x 36 10 – 12 70 – 100 100% Argon
1/16 inches x 36 12 – 15 100 – 125 100% Argon
3/32 inches x 36 15 – 20 125 – 175 100% Argon
1/8 inches x 36 15 – 20 175 – 250 100% Argon