Zhoushan Jianghai Screws Manufacturer Co., Ltd

Material 38CrMoALA SKD61 SKD11 D2 Diameter D12-D300 mm L/D Ratio L/ D=10-50 Nitriding Layer Depth 0.4-0.8mm Nitriding Fragility Less Than Grade Two Ni

Material 38 CrMoA1A Diameter 12-300mm L/D Ratio L/D=10-56 Nitriding Layer Depth 0.5-0.8mm Nitriding Fragility Less than grade two Nitriding Layer Hard

Basic information: Screw: Twin-Screw Application: PVC Profile, Pipe, UPVC Granulation L/D Ratio: 16-35 Specification: D35/2-D180/2 Working proc

Zhoushan Jianghai Screws Manufacture Co., Ltd. specializes in R&D, designing, and manufacturing screws and barrels. Decades of focus and effofts bring

Diameter 15-300 L/D Ratio L/D=15-46 Surface Roughness Ra 0.4m Nitriding Layer Depth:0.5 0.8mm Nitriding Fragility Less than Grade One Nitriding

Technology Index: Diameter:35/35~250/250 according to the demands of customers L/D Ratio: L/D=16 35 according to the demands of customers Nitriding

Material 38 CrMoA1A Diameter 12-300mm L/D Ratio L/D=10-56 Nitriding Layer Depth 0.5-0.8mm Nitriding Fragility Less than grade two Nitriding Layer Hard

Material:38CrMoAlA, Tungsten alloy, SKD61, 45CrMo Treatment: Nitridingtreatment, Foundry, Quenching Nitriding Layer Depth:0.5-0.8mm Nitriding Layer Ha

Screw diameter:14mm-300*8000mm L/D = 10-40 Surface Roughness :Ra0.4um Linearity of the screw:0.015mm Linear axis limit:0.02mm Hardness after Hardening

Material: Alloy-steel of high-quality 1)38 CrMoAIA(JIS SACM645) 2)42CrMo(AISI4140) 3)9Cr18MOV 4)CW6Mo5Cr4V2 5)SKD61 Heat-treatment Nitriding t