Car Wash Brush,Car Wash Brush With Handle,Professional Car Wash Brush,Car Wash Scrub Brush Ningbo Longyang Auto Products Co., Ltd. , https://www.zjlongyang-manufacturer.com
ISO9001,
GBT9001-2000
SO9001-2000
IAF, BOS, CNAS
Advantages
1. Long time Nitriding Technology
2. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
3. We uses special alloy powders being sprayed and welded on the screw's ridge, and uses different alloy and welding methods for the screw of different functions.
Materials
38CrMoAlA
(JIS SACM645)
SKD61. Etc
Application
PS, HIPS, ABS, SAN, EPN/LDPE, HDPE, UHMPE,
EVA, PP, PVC, PMMA, POM, PAST, PET, PBT
Nitride Depth
0.5mm-0.8mm
Technology
1)Longer time Gas Nitriding treatment
2)special anti-wear & abrasion alloy (bimetallic)
3)tungsten carbide; 4)cobalt base alloy
5)stainless steel 6)Gh113 nickel based alloy
Nitride Hardness
950-1050HV
Nitride Brittleness
≤ Grade One
Surface Roughness
Ra0.4um
Screw Straightness
0.015mm
Alloy Hardness
HRC65-75
Min. Order
1 set
Alloy Depth
1.5mm-3.5mm
Warranty period: 2-4years(Depends on the plastic raw materials)
Bimetallic: Much longer lifetime.
Nitriding time
Over 180 hours
Standard Specifications