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20Cr2Ni4A圓鋼40CrNiMoA合金鋼?40CrNi2MoASAE43408620H
23MnNiMoCr54圓鋼30SiMnCr2Ni230CrNi330Cr2Ni2Mo棒材鍛材
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40mnBH圓鋼F45mnVS非調(diào)質(zhì)鋼50mn合金鋼8620H合金結(jié)構(gòu)鋼
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CrWMn圓鋼9Cr2Mo.9SiCr鍛圓,H13模具鋼.Cr12.9CrWMn棒材
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鍛圓大直徑圓鋼定尺加工16MnDQ355DQ355B45#20#16MN42CRMO40CR
工具鋼9CRWMN圓鋼3CR2W8V4CR5MOSIV13CR2MO圓棒眾恒
Gcr15軸承鋼無縫管_軸承鋼管、非標(biāo)鋼管定做軸承管
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熱處理料框耐高溫不掉皮耐熱鋼鑄造消失膜工藝抗氧化性能好
45CrNi圓鋼5CrW2Si鍛圓35CrMoA合結(jié)鋼60CrMoV鋼材4330v
無縫鋼管150方管200300400厚壁無縫方管Q345B方矩管