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Specifications
1. Decreasing maintenance cost of equipments2. Reducing energy consumption of mill equipment
3. Improving operation rate
Detail
RK wear resistance steel pipe
Wear Resistance Steel Pipe is produced by inner wall welding machine, the smallest pipe we can produce is diameter 80mm, thickness of the pipe wall is 5~30mm, the wear resistant pipe has dual metal characteristics, work layer is wear resistant and the base layer is flexible. Wear resistant layer contains high carbon and high chromium, also wear resistant layer with temperature resistance contains Mo, W, V, B, Nb, Ti and other alloy elements, the microstructure of wear resistant layer is eutectic +M7C3 carbide or complex carbide, the product with very good wearability and it can be applied under the circumstance of room temperature, high temperature, medium impact, low stress impact.
Chemical composition,mechanical properties and metallographic examination
C |
Si |
Mn |
Cr |
other |
4.0~5.5 |
0.5~1.5 |
0.5~2.5 |
24.0~30.0 |
less than 2.0 |
HRC 55-60
HRC 61-65
Metal content |
C:5%,Cr:27-30%,Martensite matrix and Cr7C3 carbides above 60% |
Hardness |
Macro hardness of alloy layer HRC57-65, carbide hardness HV1400-1800 |
Wear resistance |
20-25 times than low carbon steel,8-12 times than stainless steel and high manganese steel ,1.5 times than the general chromium carbon steel. |
Temperature resistance |
Common lower than 600 degrees; high temperature lower than 1000 degrees |
Impact resistance |
Wear resistant alloy layer metallurgically combine with the substrate completely, resistance to strong impact,do not need to worry about shedding |
Workability |
Can be welded,cut,folded,drilled |
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