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ACI-ASTM CA40F Steel vs. SAE-AISI T6 Steel

Both ACI-ASTM CA40F steel and SAE-AISI T6 steel are iron alloys. They have 65% of their average alloy composition in common. There are 22 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 ACI-ASTM CA40F steel and the bottom bar is SAE-AISI T6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 770
880 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Melting Completion (Liquidus), °C 1430
1830
Melting Onset (Solidus), °C 1390
1770
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 27
18
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
70
Density, g/cm3 7.7
9.5
Embodied Carbon, kg CO2/kg material 2.0
11
Embodied Energy, MJ/kg 28
170
Embodied Water, L/kg 100
160

Common Calculations

PREN (Pitting Resistance) 14
39
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 28
26 to 63
Strength to Weight: Bending, points 24
21 to 39
Thermal Diffusivity, mm2/s 7.2
4.7
Thermal Shock Resistance, points 28
26 to 64

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.75 to 0.85
Chromium (Cr), % 11.5 to 14
4.0 to 4.8
Cobalt (Co), % 0
11 to 13
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 81.6 to 88.3
55.9 to 63.5
Manganese (Mn), % 0 to 1.0
0.2 to 0.4
Molybdenum (Mo), % 0 to 0.5
0.4 to 1.0
Nickel (Ni), % 0 to 1.0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0.2 to 0.4
Sulfur (S), % 0.2 to 0.4
0 to 0.030
Tungsten (W), % 0
18.5 to 21
Vanadium (V), % 0
1.5 to 2.1