ER80S-B8

Class: ER80S-B8
AWS: A5.28

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

Weld Process: Tig (GTAW) 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
.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
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.350º F 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
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