Submerged Arc Welding Flux SJ101 and Welding Wire for Steel Structures Fabrication

Short Description:

It can be used in single-pass and multi-pass submerged arc welding for a carbon steel and low-alloy structural steels with appropriate wires (such as EH14, EM12, EM12K etc.).


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Submerged Arc Welding Flux SJ101 and Welding Wire for Steel Structures Fabrication

 

 

Applications: 

It can be used in single-pass and multi-pass submerged arc welding for a carbon steel and low-alloy structural steels with appropriate wires (such as EH14, EM12, EM12K etc.).

 

Characteristic: 

SJ101 is a fluorine basic type flux, the grain size is 2.0mm-0.3mm (10-60 mesh) or 2.0mm-0.45mm (10-40 mesh), the basicity is about 1.8.

It can be used in AC and DC+. The arc combustion is stable, the slag is easy to be removed, and the welding seam is formed beautifully.

The weld metal has high impact toughness at low temperature.

 

Attention:

1. Before using, the flux shall be re-dry for 2 hours at 300℃-350℃.

2. Remove rust, oil, water and other impurities in the weld zone is necessary before welding.

3. The mechanical properties of all weld metal be decided by heat input, normally the small heat input will better than larger one.

 

Mechanical Properties of All Weld Metal :    

Items Rm/MPa Rel/Rp0.2/MPa A /% (KV2) -20℃)/J
Requirement 490-670 ≥390 ≥20 ≥27
Typical Results 550 460 31 140

 

Physical And Chemical Properties of flux:

Items S (%) P (%) Moisture content (%) Mechanical inclusion (%)
Requirement ≤0.060 ≤0.080 ≤0.10 ≤0.30
Typical Results 0.022 0.023 0.01 0.1

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