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C17500 Copper vs. ASTM Grade HN Steel

C17500 copper belongs to the copper alloys classification, while ASTM grade HN steel belongs to the iron alloys. There are 23 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 C17500 copper and the bottom bar is ASTM grade HN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 6.0 to 30
9.0
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 45
77
Tensile Strength: Ultimate (UTS), MPa 310 to 860
500

Thermal Properties

Latent Heat of Fusion, J/g 220
310
Maximum Temperature: Mechanical, °C 220
1080
Melting Completion (Liquidus), °C 1060
1400
Melting Onset (Solidus), °C 1020
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 200
13
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
26
Density, g/cm3 8.9
7.9
Embodied Carbon, kg CO2/kg material 4.7
4.6
Embodied Energy, MJ/kg 73
66
Embodied Water, L/kg 320
180

Common Calculations

Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 9.7 to 27
17
Strength to Weight: Bending, points 11 to 23
18
Thermal Diffusivity, mm2/s 59
3.5
Thermal Shock Resistance, points 11 to 29
11

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 0.4 to 0.7
0
Carbon (C), % 0
0.2 to 0.5
Chromium (Cr), % 0
19 to 23
Cobalt (Co), % 2.4 to 2.7
0
Copper (Cu), % 95.6 to 97.2
0
Iron (Fe), % 0 to 0.1
44.9 to 57.8
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
23 to 27
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Residuals, % 0 to 0.5
0