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℃ Materialmodulationtime: 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 carbidealloypowder) 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) Intheproduction of plastic: corrosion, wear big-containing additivesof40% -60% of magnetic powder, iron powder, powder, LCP, PA, thePC,of PBT, PP, PET,, PA66, PA666, PEK and halogen-free materialforonly