ASTM A36 (SS400, S275) Structural Carbon Steel
Carbon & Non-Alloy Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength480MPa
Yield Strength290MPa
Brinell Hardness140HB
Maximum Service Temperature400°C
Chemical Composition
C
0 to 0.26%
SI
0 to 0.4%
P
0 to 0.040%
S
0 to 0.050%
FE
99.25 to 100%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
22 %
Fatigue Strength
200 MPa
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Shear Strength
300 MPa
Tensile Strength: Ultimate (UTS)
480 MPa
Tensile Strength: Yield (Proof)
290 MPa
Hardness
Brinell Hardness
140
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
50 W/m-K
Thermal Diffusivity
14 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
12 % IACS
Electrical Conductivity: Equal Weight (Specific)
14 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
92 MJ/m 3
Resilience: Unit (Modulus of Resilience)
220 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
1.8 % relative
Embodied Carbon
1.4 kg CO 2 /kg material
Embodied Energy
18 MJ/kg
Embodied Energy
18 MJ/kg 7.8 x 10 3 BTU/lb
Embodied Water
44 L/kg
Embodied Water
44 L/kg 5.3 gal/lb
Registered Designations & Aliases
ASTM A36 (SS400, S275) Structural Carbon SteelS275SS400
Standards
ASTM A36 ASTM A36: Standard Specification for Carbon Structural Steel