S in s235jr steel plate expresses structural steel, and 235 is the lower limit of yield strength.
S235JR is a European standard non-alloy structural steel, which is equivalent to the national standard q235b, that is, carbon structural steel with low carbon content, which is used for welding, bolting and riveting structures. Carbon structural steel has a carbon content of about 0.05% to 0.70%, and some can be as high as 0.90%. It can be divided into two types: ordinary carbon structural steel and high-quality carbon structural steel.
S235JR steel chemical composition
S235JR C%: 0.17-0.19
S235JR Mn%: 0.14-0.15
S235JR P%: 0.035-0.045
S235JR S%: 0.035-0.045
S235JR N%: 0.012-0.14
S235JR Cu%: 0.40-0.45
S235R steel application
S235R steel is mainly used in railways, bridges, and various construction projects. S235R steel is used to manufacture various metal components that bear static loads, mechanical parts and general weldments that do not require heat treatment.
