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ANSWER: S275M is the material in International standard EN10025-4. EN10025-4 specifies the technical delivery conditions for flat an long products of hot rolled weldable fine grain structural steels in the thermomechanical rolled delivery condition in the grades and qualities in the steel products whose thickness not more than 250mm.
The delivery condition of S275M steel is thermomechanical rolled
S275M steel flat and long products apply to thickness not more than 3mm-150mm
The “S” in S275M means “Structural” “M” means “thermomechanical” So, S275M is an Structural weldable thermomechanical rolled quality steel grade
S275M steel apply for the sheet, plate, strip, wide flats and flats, sections, Bars and rods products.
S275M 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 .
S275M impact test temperature is -20°C
The material No. Of S275M is 1.8818
Yield strength of S275M steel is min 240MPa
Tensile strength of S275M steel is 350-530MPa
Elongation of S275M steel not more than 24%.