SJ302 is a kind of silicon-calcium-type medium sintered flux,B//W=1.0-1.1,mesh 10-40(2.0-0.45mm).Either alternation or dircet current can be used.The welding bead shapes well and the welding slag is “short slag”.And the welding seam has fine tough-ness and moisture and crack resistance.

Usage

When applied to welding wires(H08A OR H08MnA),it can weld boilers,pipeline steel and common steel.

Cautions:

1. The oil soil,moisture,iron rust and other foreign substances must be removed from the welding joint.

2.The welding flux must be baked under 300-350 for 2hours.