zcme pellet ring mould supplierby Xinggu Liu ringdie
woodcare--The People's Republic of China National Standard (wooden pallet) - This standard specifies the use of wood, plastic or steel and other materials constitute the single-and double-sided use of Recommended Features
- ISO9001 certification
- is component part of high hardness and wear resistance of heat pump shaft, valves, valve bearing
Review on zcme pellet ring mould supplierFeatures and application: as the component part of high hardness and wear resistance of heat pump shaft, valves, valve bearing, medical devices, springs and others
Heat treatment.annealing,830-860 degrees until 550 degrees taken out of the furnace
in the holding furnace.
quenching 950-1030 degree thermal insulation before oil quenching
The specific thermal insulating time and temperatures are according to the sizes of the products,
technical requirements and the furnace.4Cr13, martensitic stainless steel, has strong hardness and
quenching ability, preheating before welding. Generally, high crack resistance welding materials
will be better.
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Created on Apr 14th 2014 02:50. Viewed 478 times.
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