| Quantity: | |
|---|---|
CHEMICAL COMPOSITION
C: 0.38-0.45
Si: ≤ 0.4
Mn: 0.6-0.9
Cr: 0.9-1.2
Ni: -
Mo: 0.15-0.3
P: ≤ 0.025
S: ≤ 0.035
MECHANICAL PROPERTIES
Yield strength Re: > 500 MPa.
Tensile strength Rm: 750-900 MPa.
Elongation A: > 14 %
Percent reduction of area Z: > 550 %
Impact energy KV: > 35 J.
PHYSICAL PROPERTIES
Density: 7,83 g/cm3
Specific heat capacity: 0,473 kJ/(kg*K)
Linear expansion coefficient: 11,2 K-1
Thermal conductivity: 0,42 kW/(cm*K)
Electrical resistivity: 0,223 Ω*cm.
Young's modulus: 21,7 kG/mm2
HEAT TREATMENT
Forging: 1050-850 °C
Rolling: 1050-850 °C
Quenching: 820-860 °C / o,w
Tempering: 540-680 °C
Normalizing annealing: 840-880 °C
Soft annealing: 680-720 °C
CHEMICAL COMPOSITION
C: 0.38-0.45
Si: ≤ 0.4
Mn: 0.6-0.9
Cr: 0.9-1.2
Ni: -
Mo: 0.15-0.3
P: ≤ 0.025
S: ≤ 0.035
MECHANICAL PROPERTIES
Yield strength Re: > 500 MPa.
Tensile strength Rm: 750-900 MPa.
Elongation A: > 14 %
Percent reduction of area Z: > 550 %
Impact energy KV: > 35 J.
PHYSICAL PROPERTIES
Density: 7,83 g/cm3
Specific heat capacity: 0,473 kJ/(kg*K)
Linear expansion coefficient: 11,2 K-1
Thermal conductivity: 0,42 kW/(cm*K)
Electrical resistivity: 0,223 Ω*cm.
Young's modulus: 21,7 kG/mm2
HEAT TREATMENT
Forging: 1050-850 °C
Rolling: 1050-850 °C
Quenching: 820-860 °C / o,w
Tempering: 540-680 °C
Normalizing annealing: 840-880 °C
Soft annealing: 680-720 °C
