POOSHESH STEELPERGAS

EN 1.8159 (51CrV4) Chromium-Vanadium Steel

Other Steels

annealed

Property Overview

Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength720MPa
Yield Strength440MPa
Brinell Hardness220HB
Maximum Service Temperature420°C
Weight Calculator

Chemical Composition

C
0.47 to 0.55%
CR
0.9 to 1.2%
MN
0.7 to 1.1%
SI
0 to 0.4%
P
0 to 0.035%
S
0 to 0.035%
V
0.1 to 0.25%
FE
96.4 to 97.8%

Mechanical

Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
20 %
Fatigue Strength
310 MPa
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Shear Strength
450 MPa
Tensile Strength: Ultimate (UTS)
720 MPa
Tensile Strength: Yield (Proof)
440 MPa

Hardness

Brinell Hardness
220

Physical

Density
7.8 g/cm 3

Thermal

Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
420 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1410 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
46 W/m-K
Thermal Diffusivity
13 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
21 points

Electrical

Electrical Conductivity: Equal Volume
7.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.4 % IACS

Calculated

Resilience: Ultimate (Unit Rupture Work)
130 MJ/m 3
Resilience: Unit (Modulus of Resilience)
530 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
26 points
Strength to Weight: Bending
23 points

Environmental

Base Metal Price
2.3 % relative
Embodied Carbon
1.9 kg CO 2 /kg material
Embodied Energy
26 MJ/kg
Embodied Energy
26 MJ/kg 11 x 10 3 BTU/lb
Embodied Water
52 L/kg
Embodied Water
52 L/kg 6.2 gal/lb
Registered Designations & Aliases
1.81591.815951CrV451CrV4EN 1.8159 (51CrV4) Chromium-Vanadium Steel
Standards

EN 10083-3 EN 10083-3: 2006 Steels for quenching and tempering. Technical delivery conditions for alloy steels

EN 10089 EN 10089: 2002 Hot rolled steels for quenched and tempered springs. Technical delivery conditions

EN 10089 EN 10089: Hot rolled steels for quenched and tempered springs - Technical delivery conditions

EN 10132-4 EN 10132-4: 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Spring steels and other applications

EN 10250-3 EN 10250-3: 2000 Open steel die forgings for general engineering purposes. Alloy special steels

EN 10250-3 EN 10250-3: Open die steel forgings for general engineering purposes - Part 3: Alloy special steels

EN 10250-3 EN 10250-3: Open die steel forgings for general engineering purposes - Part 3: Alloy special steels EN 10089: Hot rolled steels for quenched and tempered springs - Technical delivery conditions Welding Metallurgy, 2nd ed., Sindo Kou, 2003 Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005

EN 10277-5 EN 10277-5: 2008 Bright steel products. Technical delivery conditions. Steels for quenching and tempering