EN 1.6220 (G20Mn5) Cast Steel
Other Steels
normalized
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength550MPa
Yield Strength340MPa
Brinell Hardness170HB
Maximum Service Temperature400°C
Chemical Composition
C
0.17 to 0.23%
NI
0 to 0.8%
MN
1.0 to 1.6%
SI
0 to 0.6%
P
0 to 0.020%
S
0 to 0.030%
FE
96.7 to 98.8%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
23 %
Fatigue Strength
240 MPa
Impact Strength: V-Notched Charpy
57 J
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Tensile Strength: Ultimate (UTS)
550 MPa
Tensile Strength: Yield (Proof)
340 MPa
Hardness
Brinell Hardness
170
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
400 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
52 W/m-K
Thermal Diffusivity
14 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
7.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.4 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
300 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
19 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
2.1 % relative
Embodied Carbon
1.5 kg CO 2 /kg material
Embodied Energy
19 MJ/kg
Embodied Energy
19 MJ/kg 8.3 x 10 3 BTU/lb
Embodied Water
48 L/kg
Embodied Water
48 L/kg 5.7 gal/lb
Registered Designations & Aliases
1.62201.6220EN 1.6220 (G20Mn5) Cast SteelG20Mn5G20Mn5
Standards
EN 10213 EN 10213: 2007 Steel castings for pressure purposes
EN 10293 EN 10293: 2005 Steel castings for general engineering uses
EN 10293 EN 10293: Steel castings - Steel castings for general engineering uses
EN 10340 EN 10340: 2007 Steel castings for structural uses
ISO 4991 ISO 4991: Steel castings for pressure purposes
ISO 4991 ISO 4991: Steel castings for pressure purposes EN 10293: Steel castings - Steel castings for general engineering uses