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GCr15轴承钢42CrMo板材40CrNiMoA圆钢65Mn弹簧钢38CrMoAlA圆T10A
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40crnimoa圆钢外径150圆钢160-170*180圆棒钢棒 切割零售60-80-65
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精密30CRMNSIA合金结构钢440C42CRMO圆钢40CRNIMOA板材38CRMOAL
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15CrMo 20CrMo 35CrMo 4340 4140 4130 40CrNiMoA 16MnCr5钢板圆
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40Cr 42CrMo 38CrMoAL 40CrNiMoA GCr15 T10 30CrMnSiA钢板 圆钢
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CrNiMoA-4340-40CrNiMo圆钢零切板40crmnmo无缝钢管30CrMnSiNi2A
30CrMnSi 35CrMnSiA 38CrMoAl 40CrMnMo 20CrNiMoA钢板圆棒锻件
