钢号料号材质:合金钢模具钢8cr18/9cr18/30cr18
标准:JIS8cr18/9cr18/30cr18
化学成分:(以材质书为准)
8cr18/9cr18/30cr18
8cr18/9cr18/30cr18热轧板钢棒对照什么材质8cr18/9cr18/30cr18钢号铁板
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