| Customization: | Available |
|---|---|
| state: | Solid |
| pH: | Alkaline |
|
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Flux type: Aluminate-Basic
Classification:
(EN 760: SA AB 1 66 AC H5)
SJ301 flux for joint welding of high quality steel pipes for pipeline transportation systems in the oil and gas industries. Especially recommended for single and multi-wire (up to 5 wires) submerged arc processes in the two- run technique. Very good weld appearance and slag release providing flat welds with low reinforcement and flat weld interfaces free from undercuts. High grain hardness and resistance to abrasion and a low consumption rate with good flux feeding properties in the transport and recovery system.
As a result of low hydrogen levels (less than 5 ml/100 g in the weld deposits) and oxygen levels of about 350 ppm as well as uniform metallurgical behaviour with low silicon and manganese pick-up, constant mechanical properties are obtained even when welding thick-walled tubes in the two-run technique.
Production of longitudinal and spiral welded steel pipe grades L360 or X52 to L555 or X80 according to ISO 3183 / API Spec. 5L.
| SiO2+TiO2 | Al2O3+MnO | CaO+MgO | CaF2 | S | P |
| 25-35 | 30-40 | 15-25 | 5-15 | ≤0.05 | ≤0.05 |
Wires |
Standard Models |
Yield Point Rel(MPa) |
Tensile Strength Rm(MPa) |
Elongation A (%) |
Impact Value Kv2(J) |
| EL8 EM12K |
F6A0-EL8 F7A2-EM12K |
≥350 ≥410 |
415-550 480-650 |
≥22 ≥30 |
≥40(0ºC) ≥60(-20ºC) |
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