30CrMnSi圆棒38crmoal 20crmnTI T10A 16MnCr5 40CrNiMoA8620圆钢

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合金钢 40Cr 42CrMo 8620 圆钢 65Mn Gcr15 圆棒 40CrNiMoA 4340

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20CrNiMo 40CrNiMoA圆钢 20CrMnTi板料 20CrMo 8620H圆棒4340钢板

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20CRNIMO圆钢SAE8620H圆棒40CRNIMOA冷拉光圆34CRNIMO6光棒4340料

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4140圆棒 40CrNiMoA圆钢 20CrNiMo 8620H 16MnCr5合金钢 SAE4340

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4130 4140 4340合金钢模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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4340 4140 4130合金钢 模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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4130 4140 4340合金钢模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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17CrNiMo6圆棒20CrNiMo圆钢34CRNIMO6合金钢40CrNiMoA模具钢8620H

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AISI4045合金钢40CRNIMOA光圆12CrNi2A钢板20Cr2Ni4圆棒AISI8620

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40CrNiMoA 20CrNiMo 16MnCr5板材38CrMoAL圆棒 8620H 20MnCr5圆钢

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40CrNiMoA模具钢20CrNiMo棒料17CrNiMo6圆棒34crnimo6合金钢8620H

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00cr17ni14mo3合金结构钢30CRMNSIA精密圆棒40CRNIMOA研磨棒8620H

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40CrNiMoA圆钢 20CrNiMo 合金钢16MnCr5板材38CrMoAL圆棒 8620H

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4340 4140 4130合金钢模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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40CrNiMoA模具钢20CrNiMo圆钢17CrNiMo6圆棒34crnimo6合金钢8620H

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40CrNiMoA模具钢20CrNiMo合金17CrNiMo6合结钢34crnimo6圆钢8620H

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40CrNiMoA模具钢20CrNiMo合金17CrNiMo6合结钢34crnimo6圆钢8620H

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40CrNiMoA模具钢20CrNiMo合金17CrNiMo6合结钢34crnimo6圆钢8620H

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40CrNiMoA模具钢20CrNiMo圆钢17CrNiMo6圆棒34crnimo6合金钢8620H

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合金钢材料SAE8620H圆钢4340 4140H 实心圆棒40CRNIMOA棒材 钢材

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40CrNiMoA模具钢20CrNiMo合金17CrNiMo6合结钢34crnimo6圆钢8620H

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合金钢棒料20CrNiMo钢板40CrNiMoA圆钢美标SAE8620H板材4340圆棒

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钢板AISI4340 SAE8620H圆钢20CrNiMoA 40CrNiMoA合金钢板38CrMoAl

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东莞钢板40CrNiMoA棒料20CrNiMo圆钢40CrNi2Mo棒材4340合金钢8620

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4130 4140 4340合金钢模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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4340 4140 4130合金钢 板材40CrNiMoA 圆钢20CrNiMo 8620H圆棒

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4130 4140 4340合金钢模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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40CrNiMoA模具钢20CrNiMo圆钢17CrNiMo6圆棒34crnimo6合金钢8620H

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20# 15CrMo钢板SAE8620圆钢40CrNiMoA圆钢 GCr15模具钢板棒

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40CrNiMoA模具钢20CrNiMo圆钢17CrNiMo6圆棒34crnimo6合金钢8620H

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4130 4140 4340合金钢模具钢板材40CrNiMoA圆棒20CrNiMo圆钢8620H

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4340 4140 4130合金钢 模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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40CrNiMoA模具钢20CrNiMo圆钢17CrNiMo6圆棒34crnimo6合金钢8620H

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4130 4140 4340合金钢模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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4340 4140 4130合金钢模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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优质S20C圆钢 S30C圆棒34CRNIMO合金钢 40CRNIMOA模具薄板 8620H

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20CrNiMoA合金结构钢 8620H圆钢 40CrNiMoA齿轮钢 4340H圆棒 钢棒

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圆钢合金20CrNiMoA圆钢40CrNiMoA8620H34crnimo6钢板17CrNiMo6

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40CrNiMoA模具钢20CrNiMo圆钢17CrNiMo6圆棒34crnimo6合金钢8620H

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4130 4140 4340合金钢38CRMOAL 40CrNiMoA圆棒20CrNiMo 8620H圆钢

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413041404340合金钢模具钢材40CrNiMoA圆棒20CrNiMo8620H圆钢

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434041404130合金钢模具钢材40CrNiMoA圆棒20CrNiMo8620H圆钢

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40crnimoa8620h棒模具钢34crnimo6圆20crnimo合金钢圆钢17crnimo6

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4130 4140 4340合金钢模具钢材40CrNiMoA圆棒20CrNiMo 8620H圆钢

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精密40CrNiMoA20CrNiMoA8620H圆钢17CrNiMo634crnimo6合金钢

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齿轮20CrMnTi 圆钢40crnimoa 40Cr 42CrMoA 8620H 38CrMoAl圆棒

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圆钢42CrMo 40CrNiMoA GCr15 65Mn 16Mn板材 30/35CrMnSi 8620H棒

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60Si2Mn 65mn弹簧钢棒SK85板 42crmo T10A 8620H 40CrNiMoA圆钢板

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40crnimoa17crnimo634crnimo620crnimo8620h模具钢合金合结钢圆钢

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