Class: ER80S-B8

AWS: A5.28

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

Weld Process: Mig (GMAW) Welding Processes

AWS Chemical Composition Requirements
C = 0.10 max	Mn = 0.40 – 0.70
Si = 0.50 max	P = 0.025 max
S = 0.025 max	Ni = 0.50 max
Cr = 8.00 – 10.50	Mo = 0.80 – 1.20
Cu = 0.35 max	Other = 0.50 max

Available Sizes – Diameter X Spool Sizes
.035 x 25#
.045 x 25#
1/16 x 25#

Application
This classification contains 8% – 10.5% chromium and about 1% molybdenum. Material is used to weld base material of similar composition, for high temperature service applications.350ºF min preheat, inter-pass are recommended.

Deposited Chemical Composition % (Typical)
C = 0.08	P = 0.015	Cr = 9.50
Mn = 0.55	S = 0.006	Mo = 1.00
Si = 0.004	Ni = 0.40	Cu = 0.18

 

Deposited Mechanical Properties (S.R.) 1575º F for (2) Hours
Tensile Strength	79,000 psi
Yield Strength	63,500 psi
Elongation	29%

Deposited Charpy-V-Notch Impact Properties %
Not Applicable

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