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SAE-AISI T1 Steel vs. ACI-ASTM CF3MN Steel

Both SAE-AISI T1 steel and ACI-ASTM CF3MN steel are iron alloys. They have 70% 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 T1 steel and the bottom bar is ACI-ASTM CF3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
580

Thermal Properties

Latent Heat of Fusion, J/g 240
300
Melting Completion (Liquidus), °C 1810
1440
Melting Onset (Solidus), °C 1750
1390
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 20
15
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 45
19
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 8.2
3.9
Embodied Energy, MJ/kg 130
53
Embodied Water, L/kg 90
160

Common Calculations

PREN (Pitting Resistance) 34
30
Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 23 to 64
20
Strength to Weight: Bending, points 20 to 40
20
Thermal Diffusivity, mm2/s 5.2
4.1
Thermal Shock Resistance, points 23 to 64
13

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.030
Chromium (Cr), % 3.8 to 4.5
17 to 22
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 73.2 to 77.2
58.7 to 71.9
Manganese (Mn), % 0.1 to 0.4
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
9.0 to 13
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.4
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 17.3 to 18.8
0
Vanadium (V), % 0.9 to 1.3
0