EN 1.0406 (C25) Non-Alloy Steel
Other Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength440MPa
Yield Strength230MPa
Brinell Hardness140HB
Maximum Service Temperature400°C
Chemical Composition
C
0.22 to 0.29%
CR
0 to 0.4%
NI
0 to 0.4%
MO
0 to 0.1%
MN
0.4 to 0.7%
SI
0 to 0.4%
P
0 to 0.045%
S
0 to 0.045%
FE
97.6 to 99.38%
Mechanical
A - Min. elongation at fracture (%) longitud., (+N)
23
+N
A - Min. elongation at fracture (%) longitud., (+N)
22
+N
A - Min. elongation at fracture (%) transverse, (+N)
17
+N
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
23 %
Fatigue Strength
170 MPa
Impact Strength: V-Notched Charpy
28 J
Poisson's Ratio
0.29
Re - Upper yield strength (MPa) (+N)
230
+N
Re - Upper yield strength (MPa) (+N)
210
+N
Re - Upper yield strength (MPa) (+N)
190
+N
Re - Upper yield strength (MPa) (+N)
180
+N
Rm - Tensile strength (MPa) (+N)
440
+N
Rm - Tensile strength (MPa) (+N)
420
+N
Rm - Tensile strength (MPa) (+N)
400
+N
Rm - Tensile strength (MPa) (+N)
390
+N
Shear Modulus
73 GPa
Shear Strength
300 MPa
Tensile Strength: Ultimate (UTS)
470 MPa
Tensile Strength: Yield (Proof)
240 MPa
Hardness
Brinell Hardness
140
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
49 W/m-K
Thermal Diffusivity
13 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
15 points
Electrical
Electrical Conductivity: Equal Volume
7.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.2 % IACS
Other
Nominal thickness (mm):
to 100
Nominal thickness (mm):
100 - 250
Nominal thickness (mm):
250 - 500
Nominal thickness (mm):
500 - 1000
Calculated
Resilience: Ultimate (Unit Rupture Work)
89 MJ/m 3
Resilience: Unit (Modulus of Resilience)
150 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
17 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 8.1 x 10 3 BTU/lb
Embodied Water
47 L/kg
Embodied Water
47 L/kg 5.6 gal/lb
Registered Designations & Aliases
1.04061.0406C25C25EN 1.0406 (C25) Non-Alloy Steel
Standards
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