1.  Product Details Physical Characteristics of Bimetallic Screw: Type Model Hardness (HRC) Wear resistant Corrosion resistant Thickness Application Glass Fiber PTA weld J1 38CrMoAlA Ni-base alloy 45-58 Excellent Special excellent 1.5~3mm Under 10% J2 SKD61 Ni-base alloy 45-58 Special excellent Excellent 1.5~3mm Under 15% Nitriding J3 Nitrided HV more than 800 Good Good 0.25mm / Bathroom Sanitary Ware, Stainless Steel Sanitary Ware, Traditional Sanitary Ware, Kitchen Sanitary Ware ZHEJIANG KINGSIR VALVE CO., LTD. , https://www.kingsirvalve.com
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Wire Cable Extruder Host Special Metal Injection Screw Barrel
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