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Packaging: Wood case
Nitriding Steel: | 42CrMo, 38CrMoALA, etc |
Cool work steel: | D2, SKD61, 9Cr18MoV etc. |
Heat resistant steel: | SKH51, GH113 etc. |
Steel Material |
38CrMoALA,SKD61.,D2 etc. |
Hardness after Hardening&Termpering |
HB240-280 |
Nitriding Treatment |
≥ 96 hours |
Surface Hardness |
58-64 HRC |
Nitrided layer depth |
0.5-0.8mm |
Surface Roughness |
Ra0.4 |
Screw Straightness |
0.015mm |
Chromium-Plated Surface Hardness after nitriding |
≥900HB |
Chromium-Plating Layer Thickness |
0.05-0.10 mm |
Bimetallic Layer Hardness |
50-65 HRC |
Depth of Alloy Layer |
0.8-2.0 mm |
Grade | Material | Process |
Standard grade | 38CrMoAlA | Nitriding 96 hours |
Bimetallic grade | 38CrMoAlA | HP/HVOF |
TC-A grade | Tungsten carbide 40% | Centrifugal casting |
TC-B grade | Tungsten carbide 25% | Centrifugal casting |
TC-C grade | Tungsten carbide 10% | Centrifugal casting |
Ningbo Cowell Industry Co.,Ltd.
Manufacturer
Screws Barrels , Screws And Barrels , Extruder Screw Barrels
51~100
2006
Plastic Extruder
Manufacturer
Room 3-1303, Xinning Road 456, Jiangdong
Worldwide
US$10 Million - US$50 Million
71% - 80%