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Nicaragua WD-SJ8600 Sintering flux for submerged arc welding
Category:
Product Description
Standards：
GB/T5293 S49A4AB-SU34 AWSA5.17 F6A2-EM12 F7A4-EH14 ISO 14174-SAAB1
Introduction：
WD-SJ8600 is an aluminum-alkali type sintering flux with an alkalinity of about 1.2. It has the appearance of gray spherical particles of 10-60 mesh (2.0-0.28mm). This flux has good moisture absorption resistance; high particle strength; small loose packing density; low flux consumption during welding. The flux has advantages as follows: the maximum welding current of the flux in the welding process can reach 1000A, and has arc stability; easy slag removal; beautiful weld seam formation; pure deposited metal; high low temperature impact toughness. When DC welding, the wire is connected to the positive pole. With the appropriate wire can be welded with a variety of low-alloy steel structures, when welding boiler mode water-cooled wall, welding speed can up to 70m / h or more, especially suitable for welding thin plate high-speed and thick plate narrow bevel, narrow gap and other structures.
Applications：
It can be used for boiler water-cooled wall, I-beam, box beam and other steel structures.
Flux chemical composition reference value(%)：
|
SiO2+TiO2 |
CaO+MgO |
Al203+MnO |
CaF2 |
S |
P |
|
12.5 |
28.5 |
39.6 |
18.6 |
≤0.04 |
≤0.06 |
Reference values for mechanical properties of molten metal：
| Mating wire |
Yield strength |
Tensile strength |
Elongation |
KV2 (J) |
|
|
-20°C |
-40°C |
||||
|
H08MnA |
≥360 |
450-550 |
≥22 |
≥34 |
- |
|
H10Mn2 |
≥400 |
480-650 |
≥24 |
≥60 |
≥34 |
Notice：
1. The flux shall be baked at 300-350°C for 2 hours before use.
2. Rust, oil, water and other impurities should be removed from the welded parts before welding.
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