C9MV
LOW ALLOYED WELDING WIRESSFA-AWS A5.28 ER90S-B9
EN ISO 21952-A- G CrMo9 1
EN ISO 21952-A- W CrMo9 1
Average Chemical analysis
| C% | Si% | Mn% | P% | S% | Cu% | Cr% | Ni% | Mo% | Al% | V% | N% | Nb% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0,090 | 0,30 | 0,50 | < 0,010 | < 0,010 | <0,20 | 9,10 | 0,50 | 0,90 | < 0,040 | 0,20 | 0,05 | 0,07 |
The copper value include the surface coating
Typical mechanical properties of all-weld metal
| Rm | Rs | Al | Kv |
|---|---|---|---|
| N/mm² | N/mm² | %5d | +20°C |
| 780 | 690 | 21 | 150 J |
The mechanical properties are approximate and may range on the basis of the Heat, shielding gas, welding parameters and other factors
Welding process
| Protection | MIG: Argon/ 5% O2 / TIG: I1 (Argon) |
| Current and polarity | MIG: DC+ / TIG: DC- |
| Welding positions | EN ISO 6947: PA, PB, PC, PD, PE, PF, PG |
| Pre Heating temperature | 205-320° C |
| Interpass temperature | 205-320° C |
| Post Welding Heat Treatment | 760 ± 15° C |
Dimensions
| MIG (mm) | 0,60 - 0,80 - 0,90 - 1,00 - 1,14 - 1,20 - 1,40 - 1,60 |
| TIG (mm) | 1,00 - 1,20 - 1,60 - 2,00 - 2,40 - 3,00 - 3,20 - 4,00 |
| Base materials to be welded | X10CrMoVNb9-1; X12CrMo9-1; A335: P91, A213: T91, A387: 91, A182: F91, X 20CrMoV12-1 |
| Applications | The addition of V and Nb increases the resistance to strain, corrosion and heat oxidation. Excellent resistance to creep and hydrogen. Suitable for thermoelectrical power plants, turbine rotors, petrolchemical plants. |
| Approvals | Contact ITALFIL |
