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EN 1.4361 Stainless Steel vs. Type 4 Niobium

EN 1.4361 stainless steel belongs to the iron alloys classification, while Type 4 niobium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.4361 stainless steel and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
120
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 43
23
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 75
38
Tensile Strength: Ultimate (UTS), MPa 630
220
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 350
310
Specific Heat Capacity, J/kg-K 490
270
Thermal Conductivity, W/m-K 14
42
Thermal Expansion, µm/m-K 16
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.6
8.6
Embodied Water, L/kg 150
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
44
Resilience: Unit (Modulus of Resilience), kJ/m3 160
93
Stiffness to Weight: Axial, points 14
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 23
7.2
Strength to Weight: Bending, points 21
9.5
Thermal Diffusivity, mm2/s 3.7
18
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.010
Chromium (Cr), % 16.5 to 18.5
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 58.7 to 65.8
0 to 0.010
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.2
0 to 0.050
Nickel (Ni), % 14 to 16
0 to 0.0050
Niobium (Nb), % 0
98.1 to 99.2
Nitrogen (N), % 0 to 0.1
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 3.7 to 4.5
0 to 0.0050
Sulfur (S), % 0 to 0.010
0
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0 to 0.020
Tungsten (W), % 0
0 to 0.050
Zirconium (Zr), % 0
0.8 to 1.2