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SAE-AISI T5 Steel vs. ACI-ASTM CD3MWCuN Steel

Both SAE-AISI T5 steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 68% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T5 steel and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
790

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1810
1460
Melting Onset (Solidus), °C 1750
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
22
Density, g/cm3 9.4
7.9
Embodied Carbon, kg CO2/kg material 11
4.2
Embodied Energy, MJ/kg 170
58
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 37
42
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 25 to 63
28
Strength to Weight: Bending, points 21 to 39
24
Thermal Diffusivity, mm2/s 5.5
4.2
Thermal Shock Resistance, points 26 to 66
22

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.030
Chromium (Cr), % 3.8 to 5.0
24 to 26
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0.5 to 1.0
Iron (Fe), % 60.6 to 68.3
56.6 to 65.3
Manganese (Mn), % 0.2 to 0.4
0 to 1.5
Molybdenum (Mo), % 0.5 to 1.3
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
6.5 to 8.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 17.5 to 19
0.5 to 1.0
Vanadium (V), % 1.8 to 2.4
0