美国：M11311M11312M11610M11800M15100M16600AZ31BAZ31CAC61AAZ80AM1AZK40ZK60AAM100AAZ81AAZ91CAZ92AEZ33AHK31AQE22A9980A9980B9990A9995A9998AM10600M10410M11910AM60AAS41AAZ91AAZ91BAZ31BAZ31CHK31AHK21AZE10ALA141AAZ61AAZ80AM1AZK40ZK60AZM100AAZ63AAZ81AAZ91CAZ92AEZ33AHK31AHZ32AK1AQE22AQH21AQH21AZE41AZE63AZH62AZK51AZK61AAZ91AAZ91BAM60AAS41A金钢牌号化学成分(质量分数)(％)CSiMnCrML15CrO.12～O.18≤0.300.40～O.70O.7～1.0试样热处理制度一次淬火880℃，二次淬火800℃，水、油冷，回火200℃，水、空冷抗拉强度ób屈服点ós伸长率ó5断面收缩率ΨMPa％≥≥≥≥≥686490lO4569冲击韧度ak硬度热轧退火J／cm?压痕直径布氏硬度压痕直径布氏硬度／mmHBS／mmHBS≥≥≤≥≤6942304.5179合金钢性能：合金钢的主要合金元素有硅、锰、铬、镍、钼、钨、钒、钛、铌、锆、钴、铝、铜、硼、稀土等（金兆恒）根据添加元素的不同，并采取适当的加工工艺，可获得高强度、高韧性、耐磨、耐腐蚀、耐低温、耐高温、无磁性等特殊性能（金兆恒）合金钢种类：通常按合金元素含量多少分为低合金钢，中合金钢，高合金钢；按质量分为优质合金钢、特质合金钢；按特性和用途又分为合金结构钢、不锈钢、耐酸钢、耐磨钢、耐热钢、合金工具钢、滚动轴承钢、合金弹簧钢和特殊性能钢（如软磁钢、永磁钢、无磁钢）等（金兆恒）一般是在电炉中冶炼的按用途可以把合金钢分为8大类，它们是：合金结构钢、弹簧钢、轴承钢、合金工具钢、高速工具钢、不锈钢、耐热不起皮钢，电工用硅钢英国：MAG-S-101MAG-E-101MAG-F-101MAG-S-111MAG-E-111MAG-E-121MAG-F-121MAG-S-131MAG-E-131MAG-F-131MAG-S-141MAG-E-141MAG-F-141MAG-S-151MAG-E-151MAG-F-151MAG-E-161MAG-F-161Mg-Mn1.5Mg-Al3Zn1MnMg-Al6Zn1MnMg-Zn2Mn1Mg-Zn1ZrMg-Zn3ZrMg-Zn6ZrMAG1MAG3MAG4MAG7MAG2MAG5MAG6MAG8MAG9Mg-Al8ZnMnMg-Al10ZnMnMg-Zn4.5ZrMg-Al8.5Zn1MnMg-Al8ZnMnMg-Zn4REZrMg-RE3ZnZrMg-Th3Zn2ZrMg-Zn5.5Th2ZrMAG-S-101MAG-S-111MAG-S-131MAG-S-141MAG-S-151MAG-F-101MAG-F-121MAG-F-131MAG-F-141MAG-F-151MAG-F-161Mg-Mn1.5Mg-Al6Zn1MnMg-Zn2Mn1Mg-Zn1ZrMg-Zn3ZrMg-Zn6ZrR503MAG-E-101MAG-E-111MAG-E-121MAG-E-131MAG-E-141MAG-E-151MAG-E-161)