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ACI-ASTM CA6N Steel vs. Grade TDSiCr Steel

Both ACI-ASTM CA6N steel and grade TDSiCr steel are iron alloys. They have 82% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6N steel and the bottom bar is grade TDSiCr steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
48
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 1080
1950

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 740
410
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
46
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 35
20
Embodied Water, L/kg 110
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
70
Strength to Weight: Bending, points 30
45
Thermal Diffusivity, mm2/s 6.1
12
Thermal Shock Resistance, points 40
58

Alloy Composition

Carbon (C), % 0 to 0.060
0.5 to 0.6
Chromium (Cr), % 10.5 to 12.5
0.5 to 0.8
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 77.9 to 83.5
96.6 to 97.8
Manganese (Mn), % 0 to 0.5
0.5 to 0.9
Nickel (Ni), % 6.0 to 8.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 1.0
1.2 to 1.6
Sulfur (S), % 0 to 0.020
0 to 0.020