Characteristics of the material 12G2SMF ( 12G2SMF, 12Г2СМФ ).
12G2SMF ( 12G2SMF, 12Г2СМФ )
Low alloy structural steel for welding construct
Chemical composition in % of the material 12G2SMF ( 12G2SMF, 12Г2СМФ ) .
0.09 - 0.15
0.4 - 0.7
1.3 - 1.7
0.15 - 0.25
0.07 - 0.15
Mechanical properties under Т=20oС of the material 12G2SMF ( 12G2SMF, 12Г2СМФ ) .
kJ / m2
Guenching and drawing
Technological properties of the material 12G2SMF ( 12G2SMF, 12Г2СМФ ) .
Mechanical properties :
- Tensile strength , [MPa]
- Yield stress, [MPa]
- Specific elongation at fracture , [ % ]
- Reduction of area , [ % ]
- Impact strength , [ kJ / m2]
- Brinell hardness , [MPa]
- 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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