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A級全牙碳化鎢合金螺桿 A -level full-tooth tungsten carbide alloy screw 加工范圍：￠16mm-￠300mm Processing range: ￠ 16mm-￠ 300mm 原料母材：SKD61、42CMO、 HTP.Raw base material: SKD61, 42CMO, HTP 材料調(diào)制時(shí)間：48小時(shí)，調(diào)質(zhì)硬度HRC30℃ Materialmodulation 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（碳化鎢合金粉末） Alloy composition: Ni + Co + Cr + B,Wc (tungsten carbide alloypowder) 合金層厚度：0.15-0.5 Thickness of alloy layer is 0.15-0.5 螺桿直線度：0.015mm/m Screw straightness: 0.015mm / m 表面光潔度：Ra0.6um Surface finish: Ra0.6um 適用于生產(chǎn)塑膠類：腐蝕性大、磨損大含添加劑為40%-60%加磁粉、鐵粉、石粉、LCP、PA、PC、PBT、PP、PET、PA66、PA666、PEK及無鹵料（專用） In theproduction of plastic: corrosion, wear big-containing additives of40% -60% of magnetic powder, iron powder, powder, LCP, PA, the PC,of PBT, PP, PET,, PA66, PA666, PEK and halogen-free material foronly
