Royalfil GS-81 B8 flux cored wire is recommended for welding of 9% Cr+Mo air hardening steel for elevated temperature service up to 600°c with reasonable degree of corrosion resistance from steam, Hot hydrogen gas & High sulphur crude oil. This include steels like A387 grade 9, A335 grade P9, A234 grade WP9(fitting), A199 grade T9, A213 grade T9, A182 grade F9, A336 grade F9, A217 grade C12 used primely for boiler superheat tubing, heat exchanges, piping and pressure vessels in oil refineries and power plants.
1G 2F 3G 4G
15-20 mm
Carbon Dioxide (CO2) Shielding Gas Flow : 20-25 Lit / Min
15 Kgs. Vaccum packed plastic spool.
| Element | C% | Mn% | Si% | S% | P% | Cr% | Ni% | Mo% |
|---|---|---|---|---|---|---|---|---|
| Typical Values | 0.060 | 0.70 | 0.30 | 0.010 | 0.016 | 9.0 | 0.30 | 1.0 |
| Spec. Reqd | 0.05-0.12 | 1.25 Max | 1.00 Max | 0.030 Max | 0.040 Max | 8.0-10.50 | 0.40 Max | 0.85-1.20 |
| Property | U.T.S (N/mm²) | Y.S (N/mm²) | ELONGATION ( L = 4d ) % |
|---|---|---|---|
| Typical Values | 640 | 530 | 24 |
| Spec. Reqd | 550-690 | 470 Min | 19 Min |
| Diameter(mm) | Flat & Horizonta (A) | Flat & Horizontal (V) | Vertical – Up (A) | Vertical – Up (V) | Overhead (A) | Overhead (V) |
|---|---|---|---|---|---|---|
| 1.20 | 180-250 | 26-30 | 120-210 | 22-26 | 150-200 | 26-30 |
| 1.60 | 210-280 | 26-30 | 160-250 | 22-27 | 190-240 | 26-30 |