The effect of 0.00～0.0 micro Ti on strength, plasticity, impact toughness, hardenability and structure of bolt steel VB - 0. ～0. 7C, 0.9～0.8Mn, 0.0～0. Si, 0.07～0.09V, 0.00 ～0.00 B has been tested and studied.
The effect of 0.00～0.0 micro Ti on strength, plasticity, impact toughness, hardenability and structure of bolt steel VB - 0. ～0. 7C, 0.9～0.8Mn, 0.0～0. Si, 0.07～0.09V, 0.00 ～0.00 B has been tested and studied.
试验研究了 0 0 0 %～ 0 0 %微量Ti对成分 (% )为 :0 ～ 0 7C ,0 9～ 0 8Mn ,0 0～ 0 Si,0 0 7～ 0 0 9V ,0 .0 0 ～ 0 .0 0 B的 VB螺栓钢强度、塑性、冲击韧性、淬透性和断口组织的影响。