ER90S-B9
Alloy Type: A5.28, LOW-ALLOY STEEL Filler Metals for Gas Shielded Arc Welding
ER90S-B9 is designed to weld high temperature steels for hot hydrogen service. This wire is suitable for 9% chromium steels such as P91, T91 and F91.This alloys contains vanadium and niobium which increases the resistance to strain, corrosion and heat oxidation
Typical Applications: thermo electric power plants; turbine rotors; petrochemical plants
| AWS Class: ER90S-B9 | Certification: AWS A5.28/A5.28M:2005 |
| Alloy: ER90S-B9 | AWS/ASME SFA A5.28 |
| Welding Position: F, V, OH, H | Current:
GMAW-DCEP |
| Tensile Strength, kpsi: | 90 min |
| Yield Strength, kpsi: | 78 min |
| Elongation %: | 17 min |
Typical Wire Chemistry as per AWS A5.28 (single values are maximum)
| C | Mn | Si | P | S | Ni |
| 0.07-0.13 | 1.2 | 0.15-0.50 | 0.01 | 0.01 | 0.8 |
| Cr | Mo | V | Al | Cu | Other |
| 8.00-10.50 | 0.85-1.20 | 0.15-0.30 | 0.04 | 0.2 | 0.5 |
| Typical Welding Parameters | |||||
| Diameter | Process | Volt | Amps | Shielding Gas | |
| in | (mm) | ||||
| .035 | (0.9) | GMAW | 28-32 | 165-200 | Spray transfer 98% Argon/2% Oxygen |
| .045 | (1.2) | GMAW | 30-34 | 180-220 | Spray transfer 98% Argon/2% Oxygen |
| 1/16 | (1.6) | GMAW | 30-34 | 230-260 | Spray transfer 98% Argon/2% Oxygen |
| .035 | (0.9) | GMAW | 22-25 | 100-140 | Short Circuiting Transfer 90% Helium/ 75% Argon / 25% CO2 |
| .045 | (1.2) | GMAW | 23-26 | 120-150 | Short Circuiting Transfer 90% Helium/ 75% Argon / 25% CO2 |
| 1/16 | (1.6) | GMAW | 23-26 | 160-200 | Short Circuiting Transfer 90% Helium/ 75% Argon / 25% CO2 |
| 1/16 | (1.6) | GTAW | 12-15 | 100-125 | 100% Argon |
| 3/32 | (2.4) | GTAW | 15-20 | 125-175 | 100% Argon |
| 1/8 | (3.2) | GTAW | 15-20 | 175-250 | 100% Argon |