ASTM A372 Grade B Carbon Steel
Carbon & Non-Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength600MPa
Yield Strength350MPa
Brinell Hardness180HB
Maximum Service Temperature400°C
Chemical Composition
C
0 to 0.35%
MN
0 to 1.4%
SI
0.15 to 0.35%
P
0 to 0.015%
S
0 to 0.010%
FE
97.9 to 99.85%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
20 %
Fatigue Strength
240 MPa
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Shear Strength
380 MPa
Tensile Strength: Ultimate (UTS)
600 MPa
Tensile Strength: Yield (Proof)
350 MPa
Hardness
Brinell Hardness
180
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
52 W/m-K
Thermal Diffusivity
14 mm 2 /s
Thermal Expansion
12 µm/m-K
Thermal Shock Resistance
19 points
Electrical
Electrical Conductivity: Equal Volume
7.1 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.2 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
100 MJ/m 3
Resilience: Unit (Modulus of Resilience)
330 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
21 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
ASTM A372 Grade B Carbon Steel
Standards
ASTM A372 ASTM A372: Standard Specification for Carbon and Alloy Steel Forgings for Thin-Walled Pressure Vessels