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ASTM Grade HN Steel vs. C96900 Copper-nickel

ASTM grade HN steel belongs to the iron alloys classification, while C96900 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is C96900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 9.0
4.5
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
45
Tensile Strength: Ultimate (UTS), MPa 500
850

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1080
210
Melting Completion (Liquidus), °C 1400
1060
Melting Onset (Solidus), °C 1350
960
Specific Heat Capacity, J/kg-K 480
380
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 26
39
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 4.6
4.6
Embodied Energy, MJ/kg 66
72
Embodied Water, L/kg 180
360

Common Calculations

Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
27
Strength to Weight: Bending, points 18
23
Thermal Shock Resistance, points 11
30

Alloy Composition

Carbon (C), % 0.2 to 0.5
0
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0
73.6 to 78
Iron (Fe), % 44.9 to 57.8
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 2.0
0.050 to 0.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5