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 | |