IDENTIFICATION
Getig 80SB8, ER 80SB8
CLASSIFICATION
AWS/SFA 5.28 ER 80S-B8
DESCRIPTION
Copper coated filler wire for welding 9% Cr / 1.0 % Mo, air hardening steel used for elevated temperature,creep service and corrosion resistance against steam, hot hydrogen gas and high sulphur crude oils. The welds are of radiographic quality.
CHEMICAL ANALYSIS (RANGE)%
| C | Mn | Si | Cr | Cu | Ni | Mo | S | P |
| 0.10 max | 0.40 - 0.70 | 0.50 max | 8.0 - 10.5 | 0.30 max | 0.50 max | 0.8 - 1.20 | 0.025 max | 0.025 max |
MECHANICAL PROPERTIES (RANGE) PWHT(740OC ±15°C/2 HRS)
| TS (N/mm2 ) | YS (N/mm2 ) | EL (%) (L=4D) | CVN Impact Value | |
| Temp | Joules | |||
| 550 - 650 | 470 - 560 | 18 - 25 | 27 ± 2°C | 30 - 80 |
TYPICAL APPLICATIONS
• For elevated temperature service upto 600°C .
• For boiler superheater tubing heat – exchangers, piping and pressure vessels in oil refineries and power plants.
• Forgings ASTM A 336 grade F9.
• Pipes and tubes ASTM A335 grades P9, ASTM A199 grade T9.
• A 200 grade T9, A 213 grade T9.
• Castings ASTM A 217 C12.
SHIELDING GAS : Argon 7-10 lt/min.
WELDING CURRENT : DC (-)
PACKING PARAMETERS
| Size (mm) | Length (mm) | Packing / Pkt (kg) | Packing / Box (kg) |
| 1.6 | 1000 | 5 | 5 x 4 = 20 |
| 2 | 1000 | 5 | 5 x 4 = 20 |
| 2.40 / 2.50 | 1000 | 5 | 5 x 4 = 20 |
| 3.15 / 3.20 | 1000 | 5 | 5 x 4 = 20 |