Low Alloyed Electrode - OPUS C
Standards
| TS EN ISO 3580-A | E CrMo1 R 1 2 |
|---|---|
| EN ISO 3580-A | E CrMo1 R 1 2 |
| AWS A5.5 | E8013-G |
Chemical Composition of Weld Metal % (Typical)
| C | Si | Mn | Cr | Mo |
|---|---|---|---|---|
| 0,06 | 0,4 | 0,6 | 1,1 | 0,5 |
Typical Base Material Grades
- 13CrMo4-5, 15CrMo5, 16CrMoV4, 25CrMo4, 25CrMo5
- G22CrMo5-4, G17CrMo5-5
Mechanical Properties
| Yield Strength (N/mm²) | Tensile Strength (N/mm²) | Impact Strength (ISO-V/+20°C) | Elongation ((Lo=5do) (%)) | Heat Treatment |
|---|---|---|---|---|
| min. 460 | min. 550 | min. 47 J | min. 20 | 680 ±20°C / 1h / furnace down to 300°C / cooling at (air) |
Features and Applications
- Welding of steam production plant equipments, steam pipes and similar kinds of heat-resistant joints, all of which are made of Cr-Mo alloy steels
- Electrode coating of rutile character
- Resistance of weld metal to operating temperatures of values up to 570°C
- Preheat and interpass temperature should be used at 150-250 °C
- The test assembly shall be cooled in the furnace to 300 °C at a rate not exceeding 200 °C/h.
Current Type
- AC
- DC(-)
Welding Positions
Operating Data
| Product Code | Diametré x Length (mm) | Diameter x Length (inch) | Welding Current (A) | Weight g / 100 pcs |
|---|---|---|---|---|
| 3010100738 | ø2,5 x 350 | ø3/32 x 14 | 80 - 110 | 2150 |
| 3010100741 | ø3,2 x 350 | ø1/8 x 14 | 110 - 140 | 3420 |
| 3010100744 | ø4,0 x 350 | ø5/32 x 14 | 140 - 190 | 4760 |
