5Cr4W5Mo2V (RM2) round steel Shanghai stock specifications: wire 0.1 - 6.0 bar 1.0 - 500 1.0 board - 500 with 0.1 - 6.0 (+ non-standard order), according to customer requirements. Chemical composition: the standard C silicon-carbon Si Mn P S S P manganese Cr Mo Ni Cr Mo Ni V Al V W tungsten-copper Al Cu Co Co factory condition: Hardness: HRC HB HV physical Properties: density: melting point: elastic modulus: thermal conductivity: Hardness: thermal expansion coefficient: μ m / m ° C mechanical Properties: tensile strength σb (MPa): yield strength σs (MPa): elongation δ5 (%): shrinkage section ψ (%): impact Energy Akv (J): impact toughness αkv (J/cm2): Approx Service Temperature