40CrMnNiMo8-6-48合金工具鋼
40CrMnNiMo8-6-4模具鋼‖40CrMnNiMo8-6-4鍛件‖40CrMnNiMo8-6-4現(xiàn)貨‖40CrMnNiMo8-6-4進口
40CrMnNiMo8-6-4圓棒板材,40CrMnNiMo8-6-4價格,40CrMnNiMo8-6-4成分,40CrMnNiMo8-6-4規(guī)格,40CrMnNiMo8-6-4廠家
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40CrMnNiMo8-6-4牌號化學成分(質(zhì)量分數(shù))/% C Si Mn Cr Mo Ni V W 0.35-0.45 0.20-0.40 1.30-1.60 1.80-2.10 0.15-0.25 0.90-1.20 - -
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