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ANSWER: S355K2 is the material in International standard EN10025-2. EN10025-2 specifies the technical delivery conditions for flat an long products and semi-finished products which are meant for further processing to flat and long products of hot rolled non-alloy quality steels.
S355K2 steel products can not be CE marked.
S355K2 steel flat and long products apply to thickness not more than 400mm
The “S” in S355K2 means “Structural” So, S355K2 is an Structural quality steel grade
S355K2 steel apply for the sheet, plate, strip, wide flats and flats, sections, Bars and rods products.
S355K2 impact test temperature is -40 °C
The material No. Of S355K2 is 1.0596
Yield strength of S355K2 steel is min 265MPa
Tensile strength of S355K2 steel is 450-680MPa