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ACI-ASTM CA6NM Steel vs. Grade TDC Steel

Both ACI-ASTM CA6NM steel and grade TDC steel are iron alloys. They have 82% 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 ACI-ASTM CA6NM steel and the bottom bar is grade TDC steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
510
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Reduction in Area, % 40
50
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 850
1700

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
400
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 34
19
Embodied Water, L/kg 110
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
60
Strength to Weight: Bending, points 26
40
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 31
50

Alloy Composition

Carbon (C), % 0 to 0.060
0.6 to 0.75
Chromium (Cr), % 11.5 to 14
0 to 0.3
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 78.4 to 84.6
98 to 99.4
Manganese (Mn), % 0 to 1.0
0.5 to 1.2
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 3.5 to 4.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0.1 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.020