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Safe temperature for carbon steel

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Varoon

Varoon

Materials
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Sep 5, 2012
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What temperature will be considered to be safe for carbon steel for continuous heating application ? If it is heated continuously/intermittently to 300 degrees centigrade, is there any metallurgical deterioration ?
 
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No, there is no measureable degradation at 300 deg C.
 
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Will the above comments be the same if temperature is 500 degrees centigrade ? Will there be any discolouration (blackening) ?
 
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Will the above comments be the same if temperature is 500 degrees centigrade ? Will there be any discolouration (blackening) ?
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No. Carbon steel at 500 deg C will exhibit creep deformation under load and will oxidize in air.
 
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