Low Hydrogen Electrode - OPUS 2 CM
Standards
| TS EN ISO 3580-A | E CrMo2 B 4 2 H5 |
|---|---|
| EN ISO 3580-A | E CrMo2 B 4 2 H5 |
| AWS A5.5 | E9018-B3 H4 |
Chemical Composition of Weld Metal % (Typical)
| C | Si | Mn | Cr | Mo |
|---|---|---|---|---|
| 0,07 | 0,4 | 0,8 | 2,2 | 1,0 |
Typical Base Material Grades
- 10CrMo9-10, 10CrSiMoV7,
- G-18CrMo9-10
- ASTM; A335 Gr. P22
Mechanical Properties
| Yield Strength (N/mm²) | Tensile Strength (N/mm²) | Impact Strength (ISO-V/+20°C) | Elongation ((Lo=5do) (%)) | Heat Treatment |
|---|---|---|---|---|
| min. 530 | min.620 | min. 47 J | min. 18 | 720 ±30 °C / 1h / furnace down to 300°C / cooling at (air) |
Features and Applications
- Welding of steam boilers, steam pipes made of Cr-Mo-alloyed steels, nitrided steels, not-heat treated cementation steels
- Resistance of weld metal to working temperatures up to 600°C
- Preheat and interpass temperature should be used at 200-300 °C
- The test assembly shall be cooled in the furnace to 300 °C at a rate not exceeding 200 °C/h
- Re-drying: 300-350°C / min. 2h
Current Type
- DC(+)
Welding Positions
Operating Data
| Product Code | Diametré x Length (mm) | Diameter x Length (inch) | Welding Current (A) | Weight g / 100 pcs |
|---|---|---|---|---|
| 3010100801 | ø2,5 x 350 | ø3/32 x 14 | 80 - 110 | 2280 |
| 3010100804 | ø3,2 x 350 | ø1/8 x 14 | 100 - 140 | 3490 |
| 3010100810 | ø4,0 x 450 | ø5/32 x 18 | 130 - 180 | 6860 |
| 3010100813 | ø5,0 x 450 | ø3/16 x 18 | 190 - 240 | 10010 |
