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JL-WEM12K
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ISO 14171 A S 382 FB S2Si
AWS A5.17 EM12K

Application

It can be used for automatic submerged arc welding of carbon steel and low alloy steel with equivalent strength level, such as chemical industry, ship, boiler, etc.

Characteristics

JL-WEM12K is compatible with sintered flux JL-SJ101, ensuring stable arc combustion, beautiful weld bead formation, easy slag removal, and high low-temperature impact value of the weld metal.

Chemical composition of welding wire: (Mass fraction)%

ItemCMnSiSPCu
Standard0.05-0.150.80-1.250.10-0.35≤0.030≤0.030≤0.35
Test Result0.071.060.210.0040.0080.115

Mechanical properties of deposited metal: Welding Flux: JL-SJ101

ItemTensile StrengthRm/MPaYield StrengthReL/Rp0.2 MPaElongation A/%Charpy V-notch Impact Absorption EnergyKV2(J)-40℃
Standard480-660≥400≥22≥27
Test Result52043827104

Requirement for diffusion hydrogen content in deposited metal: ≤ 8.0mL/100g(Mercury Method)

Requirements for S & P Content of Welding Flux :

S ≤ 0.050%2. P ≤ 0.060%

Note

Flux should be baked at 250-400℃ for 1-2 hours before use. Welding wire should be dry, Free of oil and rust before use.

Before welding, impurities such as rust, oil stains, and moisture must be removed from the welded parts.

Flux Cored Wire

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