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SAE-AISI T1 Steel vs. Type 1 Niobium

SAE-AISI T1 steel belongs to the iron alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T1 steel and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 80
38
Tensile Strength: Ultimate (UTS), MPa 770 to 2130
140

Thermal Properties

Latent Heat of Fusion, J/g 240
320
Specific Heat Capacity, J/kg-K 410
270
Thermal Conductivity, W/m-K 20
52
Thermal Expansion, µm/m-K 12
7.3

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.6
Embodied Water, L/kg 90
160

Common Calculations

Stiffness to Weight: Axial, points 12
6.8
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 23 to 64
4.6
Strength to Weight: Bending, points 20 to 40
7.1
Thermal Diffusivity, mm2/s 5.2
23
Thermal Shock Resistance, points 23 to 64
13

Alloy Composition

Carbon (C), % 0.65 to 0.8
0 to 0.010
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 73.2 to 77.2
0 to 0.0050
Manganese (Mn), % 0.1 to 0.4
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 0 to 0.3
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
0 to 0.0050
Sulfur (S), % 0 to 0.030
0
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 17.3 to 18.8
0 to 0.030
Vanadium (V), % 0.9 to 1.3
0
Zirconium (Zr), % 0
0 to 0.020