Chemical composition wt% · log scale 0.01 0.1 1 C 0.07 – 0.14 Cr 0.15 Cu 0.3 Mn 0.25 – 0.5 Ni 0.3 P 0.035 S 0.04 Si 0.07
Mechanical properties value range by condition Yield strength Rp0.2 ≥196 MPa Tensile strength Rm ≥314 MPa Elongation A ≥25 % steel tubes, Heat treated Yield strength Rp0.2 ≥176 MPa Tensile strength Rm ≥372 MPa steel tubes, not heat treated, t= 10 - 19 mm Yield strength Rp0.2 ≥176 MPa Tensile strength Rm ≥333 MPa steel tubes, not heat treated, t= 19 - 60 mm Yield strength Rp0.2 ≥176 MPa Tensile strength Rm ≥314 MPa steel tubes, not heat treated, t= 60 - 152 mm
Physical properties vs. temperature Mean thermal expansion 10⁻⁶/K 12.4 – 15.3 °C Thermal conductivity W/(m·K) 27.0 – 58.0 °C Specific heat J/(kg·K) 466 – 567 °C
Russia · GOST
United States
Germany