SAE-AISI 12L14 (G12144) Carbon Steel
Carbon & Non-Alloy Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength440 to 620MPa
Yield Strength260 to 460MPa
Brinell Hardness140 to 170HB
Maximum Service Temperature400°C
Chemical Composition
C
0 to 0.15%
MN
0.85 to 1.2%
P
0.040 to 0.090%
S
0.26 to 0.35%
PB
0.15 to 0.35%
FE
97.9 to 98.7%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
11 to 25 %
Fatigue Strength
190 to 290 MPa
Poisson's Ratio
0.29
Reduction in Area
39 to 51 %
Shear Modulus
72 GPa
Shear Strength
280 to 370 MPa
Tensile Strength: Ultimate (UTS)
440 to 620 MPa
Tensile Strength: Yield (Proof)
260 to 460 MPa
Hardness
Brinell Hardness
140 to 170
Physical
Density
7.9 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
14 to 20 points
Electrical
Electrical Conductivity: Equal Volume
7.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.2 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
64 to 93 MJ/m 3
Resilience: Unit (Modulus of Resilience)
180 to 560 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
15 to 22 points
Strength to Weight: Bending
16 to 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
47 L/kg
Embodied Water
47 L/kg 5.6 gal/lb
Registered Designations & Aliases
G12144SAE-AISI 12L14 (G12144) Carbon Steel
Standards
ASTM A29 ASTM A29: Standard Specification for Steel Bars, Carbon and Alloy, Hot-Wrought, General Requirements for