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Grade TDC Steel vs. AWS E240

Both grade TDC steel and AWS E240 are iron alloys. They have 65% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade TDC steel and the bottom bar is AWS E240.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 1700
770

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 19
42
Embodied Water, L/kg 47
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 60
28
Strength to Weight: Bending, points 40
24
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 50
19

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.060
Chromium (Cr), % 0 to 0.3
17 to 19
Copper (Cu), % 0 to 0.1
0 to 0.75
Iron (Fe), % 98 to 99.4
58.6 to 68.4
Manganese (Mn), % 0.5 to 1.2
10.5 to 13.5
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030