Mechanical properties of 20CrMo steel plate:
20CrMo steel plate Tensile strengthσb (MPa)：≥885(90);
20CrMo steel plate yield strengthσs (MPa)：≥685(70);
20CrMo steel plate elongation deltaδ5 (%)：≥12;
20CrMo steel plate Section shrinkageψ (%)：≥50;
20CrMo steel plate impact energy Akv (J)：≥78;
20CrMo steel plate impact toughness valueαkv (J/cm2)：≥98(10);
20CrMo steel plate hardness: ≤197HB.
Properties of 20CrMo steel plate:
20CrMo steel plate has high hardenability, no temper embrittlement, good weldability, little tendency of cold cracking, good machinability and cold strain plasticity.
20CrMo steel plate is a kind of low carbon steel. Because of its low carbon content and low manganese and silicon content, 20CrMo steel plate usually does not produce severe hardening or quenching structure due to welding. The welded joints of 20CrMo steel plate have good plasticity and impact toughness. Generally, there is no need to preheat, control the interlaminar temperature and post-heat, nor need to use heat treatment to improve the structure of 20CrMo steel plate after welding. The whole welding process of 20CrMo steel plate does not need to take special technological measures, and the weldability of 20CrMo steel plate is excellent.
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