EN 1.1172 (C35EC) Non-Alloy Steel
Carbon & Non-Alloy Steels
spheroidized and cold-drawn
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength580MPa
Yield Strength430MPa
Brinell Hardness170HB
Maximum Service Temperature400°C
Chemical Composition
C
0.32 to 0.39%
MN
0.5 to 0.8%
SI
0 to 0.3%
P
0 to 0.025%
S
0 to 0.025%
CU
0 to 0.25%
FE
98.2 to 99.18%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
12 %
Fatigue Strength
270 MPa
Poisson's Ratio
0.29
Shear Modulus
72 GPa
Shear Strength
350 MPa
Tensile Strength: Ultimate (UTS)
580 MPa
Tensile Strength: Yield (Proof)
430 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
51 W/m-K
Thermal Diffusivity
14 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
18 points
Electrical
Electrical Conductivity: Equal Volume
7.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.1 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
61 MJ/m 3
Resilience: Unit (Modulus of Resilience)
510 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
20 points
Environmental
Base Metal Price
1.8 % relative
Embodied Carbon
1.4 kg CO 2 /kg material
Embodied Energy
18 MJ/kg
Embodied Energy
18 MJ/kg 7.9 x 10 3 BTU/lb
Embodied Water
46 L/kg
Embodied Water
46 L/kg 5.5 gal/lb
Registered Designations & Aliases
1.11721.1172C35ECC35ECEN 1.1172 (C35EC) Non-Alloy Steel
Standards
EN 10263-4 EN 10263-4: 2001 Steel rod, bars and wire for cold heading and cold extrusion. Technical delivery conditions for steels for quenching and tempering
EN 10263-4 EN 10263-4: Steel rod, bars and wire for cold heading and cold extrusion - Part 4: Technical delivery conditions for steels for quenching and tempering