Tungsten Carbide Screw For Fruit Basket Injection Molding Machine Techniacal Parameter Tungsten Carbide Screw for fruit basket injection molding machine Hardness: HRC62°-68° Surface roughness: Ra0.4 Straightness: 0.015/m Processing range: Φ16mm-Φ120mm Effective length: 5000mm Hardness: HV1200°-1400° Alloy composition: Wc+Co+Cr, etc. Hardness index: HV>1000 Surface roughness: Ra0.4um Effective length: 5000mm Application Scope: PA, PC, halogen-free material addition; and other fiber addition more than 40%; iron powder, ceramic powder and other materials that are easily worn and contaminated. Material and processing technology Processing technology: PTA Plasma Alloy spraying+ metallurgical bonding