Characteristics of the material 20KHG2T ( 20HG2T, 20ХГ2Т ).
20KHG2T ( 20HG2T, 20ХГ2Т )
Low alloy structural steel for welding construct
Chemical composition in % of the material 20KHG2T ( 20HG2T, 20ХГ2Т ) .
0.19 - 0.26
0.4 - 0.7
1.5 - 1.9
0.9 - 1.7
0.02 - 0.08
Technological properties of the material 20KHG2T ( 20HG2T, 20ХГ2Т ) .
- welding is done without heating and subsequent heat treeting
- welding is possible under heating up to 100-120 grade and subsequent heat treeting
- obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing
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