EN 1.0535 (C55) Non-Alloy Steel
Carbon & Non-Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength680MPa
Yield Strength370MPa
Brinell Hardness229HB
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 0.045%
S
0 to 0.045%
FE
97.1 to 98.9%
Mechanical
A - Min. elongation Lo = 5,65 √ So (%) (+N)
11
+N
A - Min. elongation Lo = 5,65 √ So (%) (+N)
12
+N
A - Min. elongation at fracture (%) (+C)
5
+C
A - Min. elongation at fracture (%) (+C)
6
+C
A - Min. elongation at fracture (%) (+C)
7
+C
A - Min. elongation at fracture (%) (+C)
8
+C
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
12 %
Fatigue Strength
210 MPa
Poisson's Ratio
0.29
R p0.2 0.2% proof strength (MPa) (+C)
590
+C
R p0.2 0.2% proof strength (MPa) (+C)
520
+C
R p0.2 0.2% proof strength (MPa) (+C)
440
+C
R p0.2 0.2% proof strength (MPa) (+C)
390
+C
Re - Upper yield strength or R p0.2 - 0.2% proof strength (MPa) (+N)
370
+N
Re - Upper yield strength or R p0.2 - 0.2% proof strength (MPa) (+N)
330
+N
Re - Upper yield strength or R p0.2 - 0.2% proof strength (MPa) (+N)
300
+N
Re - Upper yield strength or R p0.2 - 0.2% proof strength (MPa) (+N)
260
+N
Re - Upper yield strength or R p0.2 - 0.2% proof strength (MPa) (+N)
250
+N
Rm - Tensile strength (MPa) (+C)
770-1100
+C
Rm - Tensile strength (MPa) (+C)
730-1080
+C
Rm - Tensile strength (MPa) (+C)
690-1050
+C
Rm - Tensile strength (MPa) (+C)
650-1030
+C
Rm - Tensile strength (MPa) (+N)
680
+N
Rm - Tensile strength (MPa) (+N)
640
+N
Rm - Tensile strength (MPa) (+N)
620
+N
Rm - Tensile strength (MPa) (+N)
600
+N
Rm - Tensile strength (MPa) (+N)
590
+N
Shear Modulus
72 GPa
Shear Strength
420 MPa
Tensile Strength: Ultimate (UTS)
690 MPa
Tensile Strength: Yield (Proof)
340 MPa
Hardness
Brinell Hardness
200
Brinell hardness (HBW): (+A)
229
+A
Brinell hardness (HBW): (+S)
255
+S
Brinell hardness (HBW): (+SH)
181 - 269
+SH
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)
1410 °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
Other
Nominal thickness (mm):
to 16
Nominal thickness (mm):
16 - 100
Nominal thickness (mm):
100 - 250
Nominal thickness (mm):
250 - 500
Nominal thickness (mm):
500 - 1000
Nominal thickness (mm):
5 - 10
Nominal thickness (mm):
10 - 16
Nominal thickness (mm):
16 - 40
Nominal thickness (mm):
40 - 63
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
1.05351.0535C55C55EN 1.0535 (C55) Non-Alloy Steel
Standards
EN 10083-2 EN 10083-2: 2006 Steels for quenching and tempering. Technical delivery conditions for non alloy steels
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
EN 10277-2 EN 10277-2: 2008 Bright steel products. Technical delivery conditions. Steels for general engineering purposes