4009-92-弹簧钢
【特征形态】屑状
W Sn As Mo Ti Ni Cr Cu S P Mn Si C 0.176 Als0.158 Bs0.0012 0.273 V0.168 0.393 0.760 0.303 0.0374 0.0256 0.857 1.10 0.706
【特征形态】屑状
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