EN 1.7706 (G17CrMoV5-10) Cast Steel
Other Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength690MPa
Yield Strength440MPa
Brinell Hardness210HB
Maximum Service Temperature440°C
Chemical Composition
C
0.15 to 0.2%
CR
1.2 to 1.5%
NI
0 to 0.4%
MO
0.9 to 1.1%
MN
0.5 to 0.9%
SI
0 to 0.6%
P
0 to 0.020%
S
0 to 0.015%
CU
0 to 0.3%
V
0.2 to 0.3%
FE
94.7 to 97.1%
Mechanical
A - Min. elongation at fracture (%) (+QT)
15
+QT
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
17 %
Fatigue Strength
330 MPa
Impact Strength: V-Notched Charpy
30 J
KV - Impact energy (J) (+QT)
+20° 27
+QT
Poisson's Ratio
0.29
R p0.2 0.2% proof strength (MPa) (+QT)
440
+QT
Rm - Tensile strength (MPa) (+QT)
590-780
+QT
Shear Modulus
73 GPa
Tensile Strength: Ultimate (UTS)
690 MPa
Tensile Strength: Yield (Proof)
500 MPa
Hardness
Brinell Hardness
210
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
440 °C
Melting Completion (Liquidus)
1470 °C
Melting Onset (Solidus)
1430 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
40 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
20 points
Electrical
Electrical Conductivity: Equal Volume
7.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Calculated
PREN (Pitting Resistance)
4.7
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
670 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
24 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
3.7 % relative
Embodied Carbon
2.3 kg CO 2 /kg material
Embodied Energy
32 MJ/kg
Embodied Energy
32 MJ/kg 14 x 10 3 BTU/lb
Embodied Water
57 L/kg
Embodied Water
57 L/kg 6.8 gal/lb
Registered Designations & Aliases
1.77061.7706EN 1.7706 (G17CrMoV5-10) Cast SteelG17CrMoV5-10G17CrMoV5-10
Standards
EN 10213 EN 10213: 2007 Steel castings for pressure purposes
ISO 4991 ISO 4991: Steel castings for pressure purposes
ISO 4991 ISO 4991: Steel castings for pressure purposes Manufacture and Uses of Alloy Steels, Henry D. Hibbard, 2005