Classification: ER70S-3 (AWS A5.18)
TIG rod · Lincoln Electric
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Key features
- Excellent mechanical and toughness properties for low temperature applications, down to -40°C.
- Stable Arc
- Good feedability
Standards and classifications
| AWS A5.18 | ER70S-3 |
|---|---|
| EN ISO 636-A | W 42 5 2Si |
Chemical composition
(Weight %), typical
| C | Mn | Si |
|---|---|---|
| 0.08 | 1.1 | 0.6 |
Mechanical properties
Typical, all weld metal
| Shielding gas | Condition | Yield strength (MPa) | Tensile strength (MPa) | Elongation (%) | Impact ISO-V (J) | |
|---|---|---|---|---|---|---|
| -20°C | -50°C | |||||
| I1 | AW | 450 | 560 | 26 | 170 | 100 |
* AW = As welded
Shielding gas
| Designation (EN ISO 14175) | Type | Composition |
|---|---|---|
| I1 | Inert gas | Ar (100%) |
Approvals
TÜVDBCE
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