The S420M steel plate is a European standard alloy steel plate, the S in the S420M steel plate is an alloy steel plate, and the yield value of the S420M steel plate is 420MPa.
S420M steel plate is a steel plate that implements European standards, and because of the small amount of alloying elements added inside the steel plate, it is also called low-alloy high-strength steel plate S420M.
S420M steel plate executive standard: European standard EN10025.
Delivery state of S420M steel plate: TMCP, thermomechanical rolling.
S420M steel plate flaw detection level: first inspection, second inspection, third inspection.
Chemical composition of S420M steel plate:
The carbon element content inside the S420M steel plate is less than or equal to 0.16;
The silicon element content inside the S420M steel plate is less than or equal to 0.50;
The manganese element content inside the S420M steel plate is less than or equal to 1.70;
The phosphorus element content inside the S420M steel plate is less than or equal to 0.030;
The sulfur element content inside the S420M steel plate is less than or equal to 0.025;
Mechanical properties of S420M steel plate:
The yield strength of S420M steel plate needs to be greater than or equal to 420 MPa;
The tensile strength of S420M steel plate needs to be greater than or equal to 520 to 680 MPa;
The elongation after fracture of S420M steel plate needs to be greater than or equal to 19%;
Application of S420M steel plate
S420M steel plate has good low temperature resistance and can be used to manufacture bridges, gates and other components.
