1.38 CrMoALA Material
2.Nitriding Depth:0.5~0.7mm
3.High Quliaty Base Material
4.plastic extruder barrel and screw

We can manufacture all types of screws and barrels according to clients' requirement.

Specifications of single screw and barrel: 35/25, 45/25, 50/25, 65/25, 75/25,80/25, 90/25, 105/25, 120/25, 150/25, 45/33,60/33, 75/33, 90/33, 120/33, 150/33

Technical standard:

Material: 38CrMoALA

Hardness of Modulator: HB260-290

Hardness of Nitrification: 930-970HV

Depth of Nitrification layer: 0.4-0.7mm

Double-alloy technical standard:

Double-alloy level: Level A - containing Tungsten of 40%

                           Level B - containing tungsten of 25%

                           Level C - containing tungsten of 9.5%

Hardness of alloy: HRC56-65°

Applied scope of plastic: applied for all kinds of appended fiberglass, plastic and PPA, PPO, PPS, LCP, magnetism powder and PC special engineering plasticComponents of alloy powder: Ni + Co + Cr + W + Si + Fe + B + C

Depth of alloy layer: 1.2 mm-2.0 mm

Hardness of alloy: HRC>65°

Two stage type of barrel (material of powder outlet is Cr12MoMV, vacuum quenching)
and screw (powder output is treated by alloy), the using lifespan is long as twice
as common one's.