Si:0.17~0.37
Mn:0.40~0.70
Cr:1.50~1.80
Mo:0.25~0.35
V:0.15~0.30
【试样毛坯尺寸】
25mm
【热处理】
淬火加热温度(℃):900;冷却剂:油
回火加热温度(℃):640;冷却剂:空
【力学性能】
抗拉强度(σb/MPa):≧930
屈服点(σs/MPa):≧785
断后伸长率(δ5/%):≧14
断面收缩率(ψ/%):≧55
冲击吸收功(Aku2/J):≧63
布氏硬度(HBS100/3000)(退火或高温回火状态):≦241
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【热作合金工具钢】:X21Cr13 38SiCrV6 65MnCrMo4 21CrMo10 48CrMoV6-7 X35CrMoV5-1-1 X37CrMoV5-1 X38CrMoV5-1 X40CrMoV5-1 X50CrMoV5-1 50CrMoV13-14 X48CrMoV8-1-1 X63CrMoV5-1 32CrMoV12-28 X32CrMoV3-3 X38CrMoV5-3 30WCrV15-1 30WCrV17-2 X30WCrV9-3 45CrVMoW5-8 X37CrMoW5-1 X60WCrMoV9-4 X30WCrCoV9-3 X45CoCrWV5-5-5 X3NiCoMoTi18-9-5 45NiCr6 55NiCrMoV6 55NiCrMoV7 56NiCrMoV7 26NiCrMoV5 X50NiCrWV13-13 28NiCrV5 28NiCrMoV10 57NiCrMoV7-7 28NiMo17 35NiCrMo16 45NiCrMo16 X45NiCrMo4 X6NiCrTi26-15 X16NiCrSi25-20 X13NiCrSi36-16 X23CrNi17 X32CrMoCoV3-3-3 X15CrCoMoV10-10-5 X20CoCrWMo10-9 X45CoCrMoV5-5-3 X20CrMo13 NiCr19Fe19Nb5Mo3 NiCr19NbMo NiCr19CoMo 1.2082 1.2248 1.2309 1.2313