Plastic machinery segment screw barrel accessory parts
Material for plastic machienry segment screw barrel accessory/parts
1)38CrMoALA(JIS SACM645)
2)42CrMo(JIS SCM440)
3)9Cr18MoV
4)CW6Mo5Cr4V2
5)Various high quality alloy steels
| depth of bimetallic layer | >2mm |
| thickness of cr-coated layer | 0.03-0.08mm |
| nitride brittleness | ≤Grade 1 |
| depth of nitride layer | 0.5~0.8mm |
| hardness of nitride | hv900-1020 |
| quenching and tempering hardness | hb240-280 |
| suiface roughness | 0.045mm |
Grade available:1.Standard grade:38CrMoAIA+ nitriding 96 hours2. Bimetallic grade: 38CrMoAlA + bimetallic alloy3. TC-A grade: Tungsten carbide 40%4. TC-B grade: Tungsten carbide 25%5. TC-C grade: Tungsten carbide 15%
Advantages for segment screw barrel
1.Bimetalic grade screw tips
2.High performance design
3.Longer life time
Guarantee:Common nitrided:1-2years,Bimetallic;much long time.
