1.conical twin screw and barrel Material:38CrMoAIA
2.conical twin screw and barrel Nitriding treatment,Surface hardness:HV>900.

Conical twin screw and barrel details:

1.Base material of barrel and screw:38CrMoAIA,Special alloy is welded on the flight of screw,prolong life of screw.

2.Easy wearing parts of barrel made from anti-wear ally can be improved abrasion performance.

3.Nitriding treatment,Surface hardness:HV>900.

4.Nitriding depth:0.5~0.8mm.

Our company:

1.Our company starteded at 1989 in zhoushan city for barrel screw design and manufacture,first set of extruder was produced in 1993.

2.Within growing experiences of machine design and manufacturing, we move to shanghai for foreign business in 1997.

3.Till now we have customers in South America( Brasil,Argentina,  Columbia),  Europe(UK, SpainRussia,Poland,UKraine), Asia(Indonesia,Bangladesh,India),Middle East(Saudi Arabia,Yemen,Iran,Libya),Africa(Egypt,South Africa,Kenya,Ethiopia).