ER90S-B9
Class: ER90S-B9
AWS: A5.28
Conforms to Certification: AWS A5.28 | ASME SFA A5.28
Weld Process: Mig (GMAW) Welding Processes
| AWS Chemical Composition Requirements | |
| C = 0.07 – 0.13 | Mn = 1.20 max |
| Si = 0.15 – 0.50 | P = 0.010 max |
| S = 0.010 max | Ni = 0.80 max |
| Cr = 8.00 – 10.50 | Mo = 0.85 – 1.20 |
| V = 0.15 – 0.30 | Al = 0.04 max |
| Cu = 0.20 max | N = 0.03 – 0.07 |
| Nb = 0.02 – 0.10 | Other = 0.50 max |
Note: the sum of Mn + Ni shall be less than or equal to 1.50% max
Sizes Available Upon Request
Application
Material contains 9% chromium and 1% molybdenum. Classification is intended for welding base materials of similar composition. Requires controlled preheat, inter-pass and post-weld heat treatment.
| Deposited Chemical Composition % (Typical) | ||
| C = 0.09 | P = 0.009 | Cr = 8.75 |
| Mn = 0.85 | S = 0.009 | Mo = 1.08 |
| Si = 0.20 | Ni = 0.55 | Cu = 0.11 |
| V = 0.19 | Nb = 0.08 | N = 0.04 |
| Deposited Mechanical Properties (S.R.) 1400º F for (2) Hours | |
| Tensile Strength | 112,000 psi |
| Yield Strength | 100,000 psi |
| Elongation | 17% |
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 | |
note: the sum of Mn + Ni shall be less than or equal to 1.50% max