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SAE-AISI T5 Steel vs. ACI-ASTM CN3M Steel

Both SAE-AISI T5 steel and ACI-ASTM CN3M steel are iron alloys. They have 54% 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 SAE-AISI T5 steel and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
500

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1810
1450
Melting Onset (Solidus), °C 1750
1400
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 21
13
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
31
Density, g/cm3 9.4
8.1
Embodied Carbon, kg CO2/kg material 11
5.9
Embodied Energy, MJ/kg 170
80
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 37
38
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 25 to 63
17
Strength to Weight: Bending, points 21 to 39
17
Thermal Diffusivity, mm2/s 5.5
3.4
Thermal Shock Resistance, points 26 to 66
11

Alloy Composition

Carbon (C), % 0.75 to 0.85
0 to 0.030
Chromium (Cr), % 3.8 to 5.0
20 to 22
Cobalt (Co), % 7.0 to 9.5
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 60.6 to 68.3
42.4 to 52.5
Manganese (Mn), % 0.2 to 0.4
0 to 2.0
Molybdenum (Mo), % 0.5 to 1.3
4.5 to 5.5
Nickel (Ni), % 0 to 0.3
23 to 27
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 0.030
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0