HEAT-RESISTANT STEEL PRODUCT AND METHOD FOR PRODUCTION THEREOF
The present invention provides first resistant steel superior in fire resistance having less variation in material quality and exhibiting a yield strength of 2/3 or more of that at ordinary temperature even at 600°C and a method of production of the same, that is, fire resistant steel characterized...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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