详细介绍: 美国淬透性结构钢5130H H51300 5132H H51320 5135H H51350 5140H H51400 5145H H51450 5147H H51470 5150H H51500 5155H H51550 5160H H51600 51B60H H51601 6118H H61180 6150H H61500 81B45H H81451 8617H H86170 8620H H86200 8622H H86220 8625H H86250 8627H H86270 8630H H86300 86B30H H86301 8637H H86370 8640H H86400 8642H H86420 8645H 86B45H 8650H 8655H 8660H 8720H 8740H 8822H 9260H 9310H 94B15H 94B17H 94B30H 美国易切削结构钢1108 G11080 1109 G11090 1110 G11100 1116 G11160 1117 G11170 1118 G11180 1119 G11190 1132 G11320 1137 G11370 1139 G11390 1140 G11400 1141 G11410 1144 G11440 1145 G11450 1146 G11460 1151 G11510 1211 G12110 1212 G12120 1213 G12130 1215 G12150 12L14 G12144 12L15 G12154
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