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深圳成型机螺杆|深圳注塑机螺杆|深圳押出机螺杆 A 级全牙碳化钨合金螺杆 A -level full-tooth tungsten carbide alloy screw 加工范围：￠16mm-￠300mm Processing range: ￠ 16mm-￠ 300mm 原料母材：SKD61、42CMO、 HTP.Raw base material: SKD61, 42CMO, HTP 材料调制时间：48小时，调质硬度HRC30℃ Material modulation time: Modulation hardness of HRC30°C for 48 hours 合金硬度：HRC70-72℃左右 Alloy hardness: about HRC70-72°C 合金成份：Ni+Co+Cr+B+Wc（碳化钨合金粉末） Alloy composition: Ni + Co + Cr + B,Wc (tungsten carbide alloy powder) 合金层厚度：0.15-0.5 Thickness of alloy layer is 0.15-0.5 螺杆直线度：0.015mm/m Screw straightness: 0.015mm / m 表面光洁度：Ra0.6um Surface finish: Ra0.6um 适用于生产塑胶类：腐蚀性大、磨损大含添加剂为40%-60%加磁粉、铁粉、石粉、LCP、PA、PC、PBT、PP、PET、PA66、PA666、PEK及无卤料（专用） In the production of plastic: corrosion, wear big-containing additives of 40% -60% of magnetic powder, iron powder, powder, LCP, PA, the PC, of PBT, PP, PET,, PA66, PA666, PEK and halogen-free material for only
