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