Classification: ER70S-3 (AWS A5.18)
Solid welding wire · Oerlikon Welding
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Key features
- Used mainly for single pass welding and for steels that have a rusty or dirty surfaces.
- Stable arc and excellent feedability
- Excellent mechanical properties
Standards and classifications
| AWS A5.18 | ER70S-3 |
|---|---|
| EN ISO 14341-A | G 38 3 C1 2Si G 42 3 M21 2Si |
Chemical composition
(Weight %), typical, wire
| C | Mn | Si | P | S |
|---|---|---|---|---|
| 0.08 | 1.1 | 0.6 | ≤0.025 | ≤0.025 |
Mechanical properties
Typical, all weld metal
| Shielding gas | Condition | Yield strength (MPa) | Tensile strength (MPa) | Elongation (%) | Impact ISO-V (J) | |
|---|---|---|---|---|---|---|
| +20°C | -30°C | |||||
| M21 | AW | ≥420 | 480-550 | ≥22 | ≥90 | ≥47 |
* AW = As welded
Shielding gas
| Designation (EN ISO 14175) | Type | Composition |
|---|---|---|
| C1 | Active gas | 100% CO₂ |
| M21 | Mixed gas | Ar+ >15-25% CO₂ |
Approvals
DBCE
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