The results show that good hardenability and the ability of hardenquenching appear when Mn content is about 4% ~ 5%.
结果表明，含锰4% ~ 5%的硼白口铸铁具有较好的淬透性和淬硬性。
2
The sensibility of the harden structure of high carbon steel to hydrogen and stress is researched through the tensile test of quenched specimens and charging hydrogen specimens after quenching.
利用高碳钢淬火试样及淬火后充氢试样的拉伸试验，研究了高碳钢淬硬组织对氢和应力的敏感性。
3
The following technological properties of aqueous quenching medium series HQ are systematically studied: cooling ability, harden - ability, tendency of deformation and cracking.