Extrusion screw

Jintaixin manufactures smooth, grooved, single chamber and double chamber barrel for extrusion device, exhaust system and special device, which can supply barrel with diameter of 20-200 mm and length of 4 M.
Base material: high quality alloy steel
1）34CrAiNi7
2）42CrMo4（AIAI4140）
Processing method: heat treatment
Nitriding treatment
Hard chromium plating
High frequency quenching
Spraying bimetallic alloy layer
Vacuum quenching