ER80S-B2

Class: ER80S-B2
AWS: A5.28

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

Weld Process: Mig (GMAW) 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 – Diameter X Spool Sizes
.030 x 33#
.035 x 33#
.045 x 33#
1/16 x 33#

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
MIG – Sprayer Transfer .035 inches 28 – 32 165 – 200 98% Argon + 2% Helium
.045 inches 30 – 34 180 – 220 75% Argon + 25% CO2
1/16 inches 30 – 34 230 – 260 100% CO2
MIG – Short Arc Transfer .035 inches 22 – 25 100 – 140 100% CO2
.045 inches 23 – 26 120 – 150 75% Argon + 25% CO2