Classification: S A AB 1 57 AC H5 (Flux EN ISO 14174)
Submerged arc flux · Lincoln Electric
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Key features
- Excellent bead profile
- High current carrying capacity
- Designed for onshore windtower fabrication
- Mainly used with L61 and L70 wires
Standards and classifications
| Flux EN ISO 14174 | S A AB 1 57 AC H5 |
|---|---|
| Classification | Flux/wire EN ISO 14171-A: MR EN ISO 14171-A: TR AWS A5.17 / A5.23 WTX™/ L-61 S 42 4 AB S2Si F7A8-EM12K WTX™/L-61 (SR) S 38 5 AB S2Si F6P8-EM12K WTX™/ LNS 140A S 50 2 AB S2Mo S 5T 4 AB S2Mo F8A4-EA2-A2 |
Chemical composition
(Weight %), typical, all weld metal
| Wire grade | C | Mn | Si | P | S | Mo |
|---|---|---|---|---|---|---|
| L-61 | 0.06 | 1.63 | 0.25 | 0.02 | 0.01 | - |
| LNS 140A | 0.05 | 1.39 | 0.17 | 0.02 | 0.01 | 0.45 |
Mechanical properties
- , TYPICAL, ALL WELD METAL
- Wire grade Condition* Yield strength
- (MPa)
- Tensile strength
- (MPa)
- Elongation
- (%)
- Impact ISO-V (J)
- -20°C -40°C -60°C
- L-61 AW-MR 445 525 31 150 35
- L-61 SR 620°C/1h - MR 395 490 35 150
- LNS 140A AW-MR 530 595 24 60
- LNS 140A AW-TR 575 640 24 75
- * MR = Multi-Run; TR = Two-Run; AW = As welded; SR = Stress relieved
Flux characteristics
| Basicity (Boniszewski) | 1.4 |
|---|---|
| Density (kg/dm³) | 1.2 |
| Grain size (EN ISO 14174) | 2-20 |
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