
Baijiu Machinery Equipment Co., Ltd - | E-Showroom
Baijiu Machinery Equipment Co., Ltd - | E-Showroom
Baijiu Machinery Equipment Co., Ltd
No.46 Xindao west road Jintang Zhoushan Zhejiang
China
The bimetallic barrel has a 2-5mm thick alloy coating moulded on the inner wall of the barrel, which gives excellent corrosion and abrasion resistance to the barrel and increases its endurance against high working temperature. Therefore, its useful service life is greatly improved in contrast to the ordinary nitrided ones. Bimetal has more obvious advantages when processing PVC formula with a high portion of calcium powder, engineering plastics, fluorine plastics, polysulfone and PPO specialized plastics, etc.
Technical Index
●Technical specification
Hardness after hardening& tempering: HB260-290
Nitrided hardness: HV850-1050
Nitrided case depth:0.5-0.8mm
Nitrided brittleness: less than grade 2
Surface straightness: 0.015mm
Surface roughness: Ra 0.4
Surface chromiun-plating’s hardness after nitriding: ≥900HB
Chromiun-plating depth:0.03-0.10mm
Alloy hardness: HRC55-65
Alloy depth: 1.5-3mm
●Material &processes
Quality 38CrMoAIA SACM645 (1.8509)
GH113 HC-276, 42CrMo
CW6Mo5Cr4V2, 9Cr18MoV
SKD61, DC53, SUS440
Quality powder alloy steel HPQ1#、HPQ2#、HPQ3#
Advanced nitriding process
Vacuum ionic hardening
Corrosion&abrasion resistance bimetal spraying process
Types and characteristics | (HRC) Hardness | Alloy powder Place of origin | Abrasion resistance | Corrosion resistance | (。C) Temperature range | Alloy composition | Resin type |
C grade nickle-based alloy | 55-62 | China | Good | Excellent | ≤400 | Fe+Ni+Cr+Co+B | Universal general resins and engineering resins. Containing 30% glass fiber PE,PP,ABS,AS, PS, TPE,PA,PC,PEI,PEEK,PPS,PAR,LCP |
Grade B tungsten carbide nickle-based alloy | 55-62 | U.S.A. | Excellent | Excellent | ≤450 | Ni+Cr+W+B | niversal general resins and engineering resins. Containing 40% glass fiber PE,PP,ABS,AS, PS, TPE,PA,PC,PEI,PEEK,PPS,PAR,LCP |
A grade tungsten carbide cobalt-based alloy | 55-65 | German | Particularly good | Excellent | ≤600 | Co+Cr+W+Ni+B | Special engineering resins. Iron powder, ceramic powder,powder,copper powder, glass fiber and other engineering plastics and halogen-free+sticky little plastic |
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