Answer: the key link in heat resistant steel casting
Double song married, downtown public opinion has returned to calm, then we will continue to work, continue to explore related issues and knowledge about metal casting.
So, about the heat resistant steel casting is mostly under the environment of high temperature operation, so it must have enough ability to accept the high temperature oxidation, corrosion and wear and tear, if the quality of workpiece material itself or some deviation, there is no way to complete, so, when production is not only to choose better quality material, workpiece heat treatment after forming.
Answer: the key link in heat resistant steel casting heat treatment!
Heat resistant steel casting heat treatment process is divided into multiple steps to complete, respectively is clean, furnace charging, preheating, heating, cooling, cleaning, etc. , talent the workpiece to achieve the ideal state.
Preheating, heat resistant steel castings to be highlighted heating and cooling process, including preheating are usually aimed at complex shape or cross section has a sharp change of a workpiece homework purpose in order to reduce the residual stress in the late.
Heating heating of the note, if you have any grooves blind hole workpieces, generally not in the salt bath furnace heating, and to ensure adequate holding time.
So also, of course, cooling and heat resistant steel casting, cooling to control reasonable place, time, etc.
Said so much, small make up to introduce us now, good process cannot be separated from good processing, so in choosing a foundry must choose a brand, with big companies.
We also called nanjing foundry co. , LTD. , history of professional strength and modern management mode to achieve the excellent complementary and fusion, through constant innovation and development, now has luxuriant turned, coruscate gives new vitality, casting products have year production of heat-resisting, wear-resisting cast steel, carbon steel, low alloy steel casting, grey iron castings, ductile iron parts, stainless steel castings and all kinds of large and medium-sized castings 80000 tons of capacity, is the domestic market competitiveness of the cast steel, cast iron, stainless steel castings and profile production base.
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