
Specs:
35/76,45/90,45/100,50/105,55/110,55/120,
60/125,65/120,65/132,68/143,70/135,70/140,
75/150,80/143,80/156,92/188,
The above specification can be customized according to customer’s requirements.
The screws can be designed according to different products and formulas.
Conical alloy twin-screw Details:
Specs: 35/76,45/90,45/100,50/105,55/110,55/120, 60/125,65/120,65/132,68/143,70/135,70/140, 75/150,80/143,80/156,92/188, The above specification can be customized according to customer’s requirements. The screws can be designed according to different products and formulas. Base material: 38CrMoAIA(JIS SACM645) Material composition analysis: C: 0.35~0.42 Si: 0.20~0.45 Mn: 0.30~0.60 S:≤0.035 P:≤0.035 Cr:1.35~1.65 Al: 0.70~1.10 Ni:≤0.030 Cu:≤0.030 Mo:0.15~0.25 Treatment process: Hardening and tempering treatment Nitrogen treatment Alloy spray welding Technical parameters: Tempering hardness:HB260-290 Nitration case thickness:0.50mm-0.80mm Nitriding hardness:900-1000HV Nitriding brittleness: ≤ 1 Surface roughness:Ra0.32 Screw straightness:0.015mm Alloy thickness:2-3mm Alloy hardness:HRC58-65 Label:Twin-screw,Conical twin-screw,Alloy screw,Screw,Alloy twin-screw
CONTACT US
Xihou Industrial Park,
Jintang Town, Dinghai District,
Zhoushan, Zhejiang Province
+86-0580-8592012 / 8591015
+86-0580-8591314
foreign@hr-screw.com