共搜到和 上海彤轩特殊钢有限公司 相关的信息 61
供应H13规格Φ12-300H13是热作模具钢。统一数字代号T20502;牌号4Cr5MoSiV1;H13化学成分(质量分数%):H13碳含量C:0.32~0.45,H13硅含量Si:0.80~1.90,H13锰含量Mn:0.20~0.50,aH13铬含量Cr:4.75~5.50,H13钼含量Mo:1.10~...
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