HDPE PVC ABS Plastic Extrusion Bimetallic Rotating Screw Barrel
SKY WIN Technology Co., Ltd.- Technics：Bimetal
- Material：38grmoala 42grmo
- Base Material：38grmoala 42grmo
- Nitrided Hardness：Hv:850-1000
- Hardness After Hardening Andtempering：Hb:280-320
- Alloy Mixer：Ni.Fe.Si.Co.W.C.Cr.B.Mo.
Base Info
- Alloy Depth：2mm-3mm
- Use Life：2-3years(New Material)
Description
Material
1)38CrMoAlA(JIS SACM645)
2)Cr12MOV(JIS SKD-11)
3)4Cr5MoSiV1(JIS SKD-61)
4)42CrMo(AISI 4140)
5)9Cr18MoV
Bimetallic Alloy Materials
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Bimetallic Alloy level
Level A - containing Tungsten of 40%
Level B - containing tungsten of 25%
Level C - containing tungsten of 9.5%
Designing
Depth of Nitrided Layer: 0.5-0.8 mm
Hardness of Nitrided Layer: 950-1020Hv
Thickness of Hard Chrome Plating Layer: 0.03-0.08mm
Hardness of Hard Chrome Plating Layer: ≥950HV
Depth of Bimetallic Layer: 2-3mm
Hardness of Bimetallic Layer: HRC58°-62°
Hardness After Hardening & Tempering:HB260-290
Nitrided Brittleness:Less Than Grade 1
Surface Roughness:Ra 0.4um
Screw Straightness:0.015mm
Advantage
1.Long lifetime,low energy consumption
2.Wonderful plasticizing
3. High wear resistance, anti- corrosion