AISI 4150属于美标高强度合金结构钢,执行标准:ASTM A29/A29M-04
AISI 4150具有较高的强度和韧性,淬透性也较好,无明显的回火脆性.AISI 4150钢适宜制造要求一定强度和韧性的大、中型塑料模具。可用于制造机车牵引用的大齿轮、增压器传动齿轮、压力容器齿轮、后轴、受载荷极大的连杆及弹簧夹,也可用于2000m以下石油深井钻杆接头与打捞工具,并且可以用于折弯机的模具等。
AISI 4150化学成分如下图:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/bd315c6034a85edff476de7b46540923dc5475eb?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/d62a6059252dd42a068121f30c3b5bb5c8eab8d9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
从化学成分看,AISI 4150相当于国内牌号50CrMo,如下图:![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/241f95cad1c8a7865fa26a566809c93d71cf50d9?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)