Classification: S A FB 1 66 AC H5 (Flux EN ISO 14174)
Submerged arc flux · Lincoln Electric
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Key features
- Suitable for mild steel, low alloy and standard stainless steel grades
- Excellent bead finishing apperance with stainless grades
- Suitable as the one flux workshop solution
Standards and classifications
| Flux EN ISO 14174 | S A FB 1 66 AC H5 |
|---|---|
| Classification | Flux/wire AWS A5.17 / A5.23 839/L60 F6A2-EL12 839/LNS135 F6A4-EM12 839/L-61 F7A5-EM12K / F6P6-EM12K 839/L-50M F7A6-EH12K / F7P8-EH12K 839/LNS140A F7A4-EA2-A2 839/LNS164 F9A0-EF3-F3 / F9P4EF3-F3 |
Chemical composition
- (WEIGHT %), TYPICAL, ALL WELD METAL
- Wire grade C Mn Si P S Mo Ni
- L-60 0.04 0.85 0.2 <0.01 <0.01
- LNS 135 0.05 1.2 0.2 <0.015 <0.01
- L-61 0.07 1.2 0.3 <0.015 <0.01
- L-50M 0.07 1.7 0.3 <0.015 <0.01
- LNS 140A (L-70) 0.06 1.2 0.2 <0.015 <0.01 0.45
- LNS 164 0.07 1.7 0.3 <0.015 <0.01 0.45 0.80
Mechanical properties
- , TYPICAL, ALL WELD METAL
- Wire grade Condition* Yield strength
- (MPa)
- Tensile
- strength
- (MPa)
- Elongation
- (%)
- Impact ISO-V (J)
- -20°C -40°C -50°C -60°C
- L-60 AW 390 470 30 100
- LNS 135 AW 410 490 100 50
- L-61 AW 440 530 29 130 80
- L-61 SR 400 510 31 115 65
- L-50M (LNS 133U) AW 470 570 28 100
- L-50M (LNS 133U) SR 415 520 29 140 110
- LNS 140A (L-70) AW 460 560 26 80
- LNS 164 AW 650 710 20 50
- LNS 164 SR 590 670 24 100 65
- * AW = As welded; SR = Stress relieved
Flux characteristics
| Current type | DC/AC |
|---|---|
| Basicity (Boniszewski) | 2.4 |
| Solidification speed | Medium |
| Density (kg/dm³) | 1.2 |
| Grain size (EN ISO 14174) | 2 - 20 |
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