EN 1.1203 (C55E) Non-Alloy Steel
Other Steels
normalized and tempered
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength690MPa
Yield Strength340MPa
Brinell Hardness200HB
Maximum Service Temperature400°C
Chemical Composition
C
0.52 to 0.6%
CR
0 to 0.4%
NI
0 to 0.4%
MO
0 to 0.1%
MN
0.6 to 0.9%
SI
0 to 0.4%
P
0 to 0.035%
S
0 to 0.035%
FE
97.1 to 98.9%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
12 %
Fatigue Strength
210 MPa
Poisson's Ratio
0.29
Shear Modulus
72 GPa
Shear Strength
420 MPa
Tensile Strength: Ultimate (UTS)
690 MPa
Tensile Strength: Yield (Proof)
340 MPa
Hardness
Brinell Hardness
200
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
48 W/m-K
Thermal Diffusivity
13 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
22 points
Electrical
Electrical Conductivity: Equal Volume
7.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.3 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
69 MJ/m 3
Resilience: Unit (Modulus of Resilience)
310 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
25 points
Strength to Weight: Bending
22 points
Environmental
Base Metal Price
2.1 % relative
Embodied Carbon
1.4 kg CO 2 /kg material
Embodied Energy
19 MJ/kg
Embodied Energy
19 MJ/kg 8.2 x 10 3 BTU/lb
Embodied Water
47 L/kg
Embodied Water
47 L/kg 5.6 gal/lb
Registered Designations & Aliases
1.12031.1203C55EC55EEN 1.1203 (C55E) Non-Alloy Steel
Standards
EN 10083-2 EN 10083-2: 2006 Steels for quenching and tempering. Technical delivery conditions for non alloy steels
EN 10132-3 EN 10132-3: 2000 Cold rolled narrow steel strip for heat treatment. Technical delivery conditions. Steels for quenching and tempering
EN 10250-2 EN 10250-2: 2000 Open steel die forgings for general engineering purposes. Non-alloy quality and special steels
EN 10250-2 EN 10250-2: Open die steel forgings for general engineering purposes - Part 2: Non-alloy quality and special steels