20cdv5.07
德国部分合金钢牌号如下： s185s235jrs235jrg1s235jrg2s275jrs275jos235j2g3s275j2g4s355jrs355jos355j2g3s355j2g4s355k2g3s355k2g4e295e355e360 细晶粒低合金结构钢 s255ns255nhs255nls255nl1p275ns275nlp275nhp275nl1p275nl2p315n p315nhp315nlp315nl1p355ns355ns355nlp355nlp355nhp355nl1p355nl2 s380np380nhs380nls380nl1s420np420nhs420nls420nl1p460ns460nlp460nhp460nl1p460nl2s500np500nhs500nls500nl1
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