submerged arc welding flux

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submerged arc welding flux
Posting date : Apr 23, 2009
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26-
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SJ101 is a kind of fluoride-alkaline-type slag-serial sintered flux.mesh 10-60(2-0.3mm).It has great capacity of sulphur removal,phosphor removal and anti-rust.The technology has good performance,easy to deslag and with fine appearance of weld,even in the narrow gap of deep slope entrance.The metal welding seam has good plasto-toughmess,with low diffusion of hydrogen and fine cold and heat crack resistance.It can be applied to diffrent welding wires and is fit for welding of low-carbon steel and low-alloy steel.Moreover,it can be used for fast welding of pipeline steel and for welding of thick-wallstructures of diffrent high-tensile steel. SJ301 is a kind of silicon-calcium-type sintered flux,mesh 10-40(2.0-0.45mm) and basicity--1.0-1.1.Either alternating or direct cur rent can be used,but welding wires must be connected with the positive electrode when direct current is used.The welding technology has good performace,fine detachability and fine appearance od weld.The flux is fit for the sumerge-arc welding of low-cabon steel,as well as the fast single-way and double-surface welding of thin steel sheet.And it is usually used for submerge-arc welding of liquefied gas storage tanks,gas bottle and pipeline steel. SJ501 B||W =0.5-0.8,mesh 10-40(2.0-0.45mm),and it has high rust resistance and the slag is easy to drop after welding.The welding bead is smooth and the welding technology has good performanc At the same time,when applied to various welding wires sunch as H08A,H08MnA,H08MnMo and H10MnSi,it can weld low -carbon steel ,low alloy and pressure vessel steel.And is fit for fast welding of thin steel sheet like gas steel tanks and membrance water-cooled wall in boiler factory.

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