2216—广东，MH51模具钢，特性

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2216—广东，MH51模具钢，特性=========在用Cr12型钢或高速钢做冷作模具时，一个很突出的问题是钢的脆性大．使用中易开裂。为此，必须用充分锻打的方法细化碳化物．除此之外应发展新钢种。发展新钢种的着眼点，应是降低钢的含碳量及碳化物形成元素的数量。近年来国内研制并推广以下几种新钢种、===================================
G10100 G10110 G10120 G10130 G10150 G10160 G10170 G10180 G10190 G10200 G10210 G10220 G10230 G10250 G10260 G10290 G10300 G10340 G10350 G10370 G10380 G10390 G10400 G10420 G10430 G10440 G10450 G10460 G10490 G10500 G10530 G10550 G10590 G10600 G10640 G10650 G10690 G10700 G10740 G10750 G10780 G10800 G10840 G10860 G10900 G10950 M1008 M1010 M1012 M1015 M1017