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ANSWER: SG460 Grade D is the material in International standard ISO 630-3. ISO 630-3 specifies requirements for flat and long products of hot rolled weldable fine grain structural steels in the Normalized-rolled delivery conditions. ISO 630-3 applies to steel plates rolled on a reversing mill, wide flats, hot rolled sections and bars, which are intended for use in heavily loaded parts of welded or bolted structures.
The delivery condition of SG460 Grade D steel is Normalized rolled
SG460 Grade D steel flat and long products apply to thickness not more than 100mm
The “S” in SG460 Grade D means “Structural”
SG460 Grade D steel apply for the sheet, plate, strip, wide flats and flats, sections, Bars and rods products.
SG460 Grade D steel plates can be produced into heavily loaded parts of welded structures such as bridges, flood gates, storage tanks, water supply tanks. And so on.
SG460 Grade D impact test temperature is -20°C
Max CEV in % for nominal produce of SG460 Grade D is : 0.45
Yield strength of SG460 Grade D steel is min 420MPa
Tensile strength of SG460 Grade D steel is 570-720MPa
Elongation of SG460 Grade D steel not more than 19%.