Al对42CrMo螺栓钢淬透性及组织的影响
吕超然1, 徐乐1(
), 史超2, 刘进德3, 蒋伟斌4, 王毛球1
), 史超2, 刘进德3, 蒋伟斌4, 王毛球1
Effect of Al on Hardenability and Microstructure of 42CrMo Bolt Steel
LU Chaoran1, XU Le1(), SHI Chao2, LIU Jinde3, JIANG Weibin4, WANG Maoqiu1
), SHI Chao2, LIU Jinde3, JIANG Weibin4, WANG Maoqiu1
图6. 不同回火温度下实验用钢的抗拉强度和低温(-40℃)冲击性能
Fig.6. Tensile strength and low temperature (-40 ℃) impact properties of the tested steels at different tempering temperatures (Rm—tensile strength, KV2—Charpy V-notch impact energy)
