TECHNICAL INFORMATION THE EFFECTS OF ALLOYING ELEMENTS TO STEEL PROPERTIES CORRESPONDING STEEL STANDARTS NON ALLOY STRUCTURAL STEEL - MECHANICAL PROPERTIES NON ALLOY STRUCTURAL STEEL ACCORDING TO TENSILE STRENGTH NON ALLOY STRUCTURAL STEEL - CHEMICAL COMPOSITION NON-ALLOY CHEMICAL COMPOSITION NON-ALLOY MECHANICAL PROPERTIES GOST STEEL NORMS INCH-MM CONVERSION TABLE STATEMENTS OF TOLERANCE