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Grade TDCrV Steel vs. ACI-ASTM CN7MS Steel

Both grade TDCrV steel and ACI-ASTM CN7MS steel are iron alloys. They have 51% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade TDCrV steel and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 520
160
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 1730
540

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 410
1040
Melting Completion (Liquidus), °C 1450
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
5.1
Embodied Energy, MJ/kg 26
71
Embodied Water, L/kg 49
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 61
19
Strength to Weight: Bending, points 41
19
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 51
13

Alloy Composition

Carbon (C), % 0.62 to 0.72
0 to 0.070
Chromium (Cr), % 0.4 to 0.6
18 to 20
Copper (Cu), % 0 to 0.1
1.5 to 2.0
Iron (Fe), % 97.8 to 98.8
45.4 to 53.5
Manganese (Mn), % 0.5 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
22 to 25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.15 to 0.3
2.5 to 3.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Vanadium (V), % 0.15 to 0.25
0