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ANSWER: S235JR 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 .
S235JR steel products can not be CE marked.
S235JR steel flat and long products apply to thickness not more than 250mm
The “S” in S235JR means “Structural” So, S235JR is an Structural quality steel grade
S235JR steel apply for the sheet, plate, strip, wide flats and flats, sections, Bars and rods products.
S235J0 impact test temperature is 20 °C
The material No. Of S235JR is 1.0038
Yield strength of S235JR steel is min 175MPa
Tensile strength of S235JR steel is 340-510MPa