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EN 1.4872 Stainless Steel vs. Type 1 Niobium

EN 1.4872 stainless steel belongs to the iron alloys classification, while Type 1 niobium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is Type 1 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
79
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 28
29
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 79
38
Tensile Strength: Ultimate (UTS), MPa 950
140
Tensile Strength: Yield (Proof), MPa 560
82

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Specific Heat Capacity, J/kg-K 490
270
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 16
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.6
8.6
Embodied Water, L/kg 180
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
35
Resilience: Unit (Modulus of Resilience), kJ/m3 780
32
Stiffness to Weight: Axial, points 15
6.8
Stiffness to Weight: Bending, points 26
18
Strength to Weight: Axial, points 35
4.6
Strength to Weight: Bending, points 28
7.1
Thermal Diffusivity, mm2/s 3.9
23
Thermal Shock Resistance, points 21
13

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.010
Chromium (Cr), % 24 to 26
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 54.2 to 61.6
0 to 0.0050
Manganese (Mn), % 8.0 to 10
0
Molybdenum (Mo), % 0
0 to 0.010
Nickel (Ni), % 6.0 to 8.0
0 to 0.0050
Niobium (Nb), % 0
99.7 to 100
Nitrogen (N), % 0.2 to 0.4
0 to 0.010
Oxygen (O), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.015
0
Tantalum (Ta), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.030
Zirconium (Zr), % 0
0 to 0.020