Submerged arc wire · Oerlikon Welding
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Key features
- Seamless copper coated flux cored wire
- Designed for 3,5%Ni steels that are sensitive to decarburization of the heat affected zone by the post weld heat treatment
- Excellent impact toughness down to -90°C after post weld heat treatment
- Recommended in DC+ only
Chemical composition
- (WEIGHT %), TYPICAL, WIRE
- C Mn Si Ni Mo
- OP 121TTW 0.05 0.8 0.3 3 0.3
Mechanical properties
Typical, all weld metal
| Flux | Condition | Yield strength (MPa) | Tensile strength (MPa) | Elongation (%) | Impact ISO-V (J) | ||
|---|---|---|---|---|---|---|---|
| -40°C | -75°C | -90°C | |||||
| OP 121TTW | PWHT 595°C/4h | >485 | >520 | ≥20 | ≥155 | ≥70 | ≥27 |
*PWHT = Post Weld Heat Treatment
Versions and packaging
| Item number | Diameter (mm) | Net weight (kg) |
|---|---|---|
| W000282075 | 2.4 | 25.0 |
Availability of individual item numbers is confirmed with the quotation.
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