B級全牙鎳基合金螺桿 B-level full-tooth nickel-based alloy screw 加工范圍:¢22mm-¢300mm Processing range: ¢ 22mm-¢ 300mm 原料母材:SKD11、42CMO Raw base material: SKD11,42CMO 材料調制時間:48小時,調質硬度HRC30℃ Modulation hardness of HRC30°C for 48 hours 合金硬度:HRC62-65℃左右 alloy hardness: about 62-65°C in HRC 合金成份:Fe+Ni+Cu+Mo+Cr(鎳基合金粉末) Alloy composition: Fe + Ni + Cu + Mo + Cr (nickel-based alloypowder) 合金層厚度:0.8-2.5 thickness of alloy layer is 0.8 - 2.5 螺桿直線度:0.015mm/m Screw straightness: 0.015mm / m 表面光潔度:Ra0.6um Surface finish: Ra0.6um 適用于生產塑膠類:腐蝕性大、磨損大含玻纖量為25%-45%,LCP、PA、PC、PBT、PP、PET、PA66、PA666、PEK及無鹵料(專用).