JQ.SJ301C Silicon-manganese Type Acid Sintered Flux

JQ.SJ301C Silicon-manganese Type Acid Sintered Flux

JQ.SJ301C
GB:F4A2-H08A F5A2-H08MnA
AWS:F6A0-EL8 F7A0-EM12
Current:If used together with appropriate wires (such as H08A), they can be used for welding hull structures, and also used for welding general structural steel, boiler steel, pipeline steel, etc. Able to be used for multi-pass welding, single pass welding by bot
Main Applications:

JQ.SJ301C

According with GB F4A2-H08A F5A2-H08MnA
Corresponding with AWS F6A0-EL8 F7A0-EM12
DIN BOS198AC10SKM


Introduction: JQ.SJ301C is a kind of neutral calcium-silicate type sintered flux for ships. The alkalinity is approximately 1.0. Black round grains. The granularity is 2.0~0.28mm (10~60 meshes/inch). It has excellent welding performance, stable arc, good slag detachability and beautiful appearance of weld. The deposited metal has excellent low temperature impact toughness. AC/DC. When welding with direct current, the wire should be connected to the positive terminal.


Uses: If used together with appropriate wires (such as H08A), they can be used for welding hull structures, and also used for welding general structural steel, boiler steel, pipeline steel, etc. Able to be used for multi-pass welding, single pass welding by both sides and multi-wire welding.


Reference Composition of Flux(%)
S
P
SiO2+TiO2
CaO+MgO
Al2O3+MnO
CaF2
≤0.03
≤0.03
25~35
15~25
30~40
5~15

Mechanical Properties of Deposited Metal
Rm ReL或Rp0.2 A KV2(J)
(MPa) (MPa) (%) -20℃
410~560 ≥330 ≥24 ≥34

Instructions:
1.The fluxes should be baked under 300~350℃ for 2 hours before using.
2.The stains on the weldments, such as rust, oil stains, moisture, etc., must be cleared away before welding.

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