Heat Resistant Application

Developments in all phase of industrial production involved with elevated temperature are causing designers to more-closely examine the elevated temperature properties of materials. Heat resistance materials are manufactured in different chemical composition depend on service condition.

 Cast iron oven door set

At temperature below 400 °C Application
Typical gray cast iron is recommended to used at temperature below 400 °C to avoid growth of iron (breakdown of the pearlite to ferrite and graphite) and scaling rate is still low  (At 400 °C, 11.5 years, Extent of scaling 4 mg/cm2). At temperature over 400 °C, Alloying additions are generally recommended for better heat resistance properties. we also recommend ductile cast iron for temperature below 400 °C application due to the hardness and strength of all standard grades of ductile cast iron are relatively constant up to about 425 °C. The dimension growth of ductile iron is much less than of gray iron at elevated temperature.


At temperature up to 1150°C Application
Heat-resistant cast steel comes to take place for high elevated temperature application due to the ability to resist corrosion at elevated temperatures gives more stable properties. Castings are classified as heat resistant if they are capable of sustained operation while exposed, either continuously or intermittently, to operating temperature that result in metal temperature in excess of 650 °C. Also, the amount of Cr and Ni content in casting lead to heat resistant properties. For selecting the proper material, We are available to discuss with you.

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