Screw and Barrel SJP75/28

Kingz Machinery is specialized at high quality screw barrels. We are professional at all kinds of twin screw and barrels, such as SJP75/26, SJP75/28, SJP75/32, SJP90/32, SJP93/22, SJP115/23, SJP115/28 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:

SJP75/28 screw and barrel: 2480*380*420mm, 415kg.