ER80S-B8
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 |
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| 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 | |