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Grade TDC Steel vs. ACI-ASTM CA15 Steel

Both grade TDC steel and ACI-ASTM CA15 steel are iron alloys. They have 86% of their average alloy composition in common. There are 26 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 ACI-ASTM CA15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 510
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Reduction in Area, % 50
34
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 1700
700

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
750
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 47
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 60
25
Strength to Weight: Bending, points 40
23
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 50
26

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.15
Chromium (Cr), % 0 to 0.3
11.5 to 14
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 98 to 99.4
81.8 to 88.5
Manganese (Mn), % 0.5 to 1.2
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.35
0 to 1.5
Sulfur (S), % 0 to 0.020
0 to 0.040