Screw and Barrel SJZ80/156

Kingz Machinery is specialized at high quality screw barrels. We are professional at all kinds of twin screw and barrels, such as SJZ45/90, SJZ51/105, SJZ55/110, SJZ55/120, SJZ65/132, SJZ65/138, SJZ80/156, SJZ92/188, SJZ110/220 and etc. 

Technical specification:

Material: high quality 38CrMoAlA 

Process: advanced nitriding process

Hardness after Hardening & Tempering: HB280-320

Nitrided hardness: HV900-1000(HV940=HRC68)

Nitrided case Depth:0.45-0.8mm

Nitrided brittleness: Less than Grade 2

Surface roughness: Ra 0.4

Screw straightness: 0.015mm

Alloy hardness: HRC 50-65

Alloy depth:0.8-2.0mm

Packing size:

SJZ80/156 screw and barrel: 2730*400*450mm, 760kg.