Bimetallic Screw Barrel

We are offering bimetallic screw barrel.
material：38crmoala，skd61，skd11，d2
diameter：d12-d300 mm
ld ratio：l d=10-50
surface roughness：ra0.4μm
screw straightness：0.015mm
nitriding layer depth：0.4-0.8mm
nitriding fragility：less than grade two
nitriding layer hardness：950-1020hv
cr-plating layer depth：0.03-0.10mm
cr-plating layer hardness：850 hv
cr-plated surface hardness after nitriding：≥900hb
hardness after hot-treatment：hb240-280
nitriding treatment time：≥96 hours
bimetallic layer hardness：58-65 hrc
bimetallic layer depth：0.8-2.0mm
our technical and engineering department offers decades of experience in the field of plastic machinery and screw design. We have developed our own line of screw designs which can be tailored to suit your demand. We complete orders quickly and cost effectively, and you can count on us to deliver high quality products quickly and on time.