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ASTM Grade HG10 MNN Steel vs. Type 4 Niobium

ASTM grade HG10 MNN 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 (11, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HG10 MNN steel and the bottom bar is Type 4 niobium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
120
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 23
23
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 77
38
Tensile Strength: Ultimate (UTS), MPa 590
220
Tensile Strength: Yield (Proof), MPa 250
140

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Specific Heat Capacity, J/kg-K 480
270
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 16
7.3

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.6
Embodied Water, L/kg 160
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
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 21
7.2
Strength to Weight: Bending, points 20
9.5
Thermal Diffusivity, mm2/s 3.9
18
Thermal Shock Resistance, points 13
21

Alloy Composition

Carbon (C), % 0.070 to 0.11
0 to 0.010
Chromium (Cr), % 18.5 to 20.5
0
Copper (Cu), % 0 to 0.5
0
Hafnium (Hf), % 0
0 to 0.020
Hydrogen (H), % 0
0 to 0.0015
Iron (Fe), % 57.9 to 66.5
0 to 0.010
Manganese (Mn), % 3.0 to 5.0
0
Molybdenum (Mo), % 0.25 to 0.45
0 to 0.050
Nickel (Ni), % 11.5 to 13.5
0 to 0.0050
Niobium (Nb), % 0.2 to 1.0
98.1 to 99.2
Nitrogen (N), % 0.2 to 0.3
0 to 0.010
Oxygen (O), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0 to 0.0050
Sulfur (S), % 0 to 0.030
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