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B級(jí)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(diào)制時(shí)間：48小時(shí)，調(diào)質(zhì)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-basedalloypowder) 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(chǎn)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(wú)鹵料（專用）. In the production of plastic: corrosion, wear and containingglassfiber content of 25% -45%, LCP, PA, PC, PBT, PP, PET, PA66,PA666,PEK and halogen-free material (special).
