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AWS E316H vs. Nuclear Grade Hafnium

AWS E316H belongs to the iron alloys classification, while nuclear grade hafnium belongs to the otherwise unclassified metals. There are 14 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS E316H and the bottom bar is nuclear grade hafnium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
78
Elongation at Break, % 34
25
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 78
31
Tensile Strength: Ultimate (UTS), MPa 580
350

Thermal Properties

Latent Heat of Fusion, J/g 290
130
Specific Heat Capacity, J/kg-K 470
140
Thermal Expansion, µm/m-K 14
5.9

Otherwise Unclassified Properties

Density, g/cm3 7.9
13

Common Calculations

Stiffness to Weight: Axial, points 14
3.3
Stiffness to Weight: Bending, points 25
11
Strength to Weight: Axial, points 21
7.4
Strength to Weight: Bending, points 20
8.4
Thermal Shock Resistance, points 15
55

Alloy Composition

Carbon (C), % 0.040 to 0.080
0
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0 to 0.75
0
Hafnium (Hf), % 0
99.8 to 100
Iron (Fe), % 58.6 to 69.5
0
Manganese (Mn), % 0.5 to 2.5
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 11 to 14
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Residuals, % 0
0 to 0.23