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ASTM Grade HN Steel vs. C87300 Bronze

ASTM grade HN steel belongs to the iron alloys classification, while C87300 bronze belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HN steel and the bottom bar is C87300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 9.0
22
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Tensile Strength: Ultimate (UTS), MPa 500
350

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Mechanical, °C 1080
200
Melting Completion (Liquidus), °C 1400
970
Melting Onset (Solidus), °C 1350
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 13
28
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 26
29
Density, g/cm3 7.9
8.6
Embodied Carbon, kg CO2/kg material 4.6
2.7
Embodied Energy, MJ/kg 66
42
Embodied Water, L/kg 180
300

Common Calculations

Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
11
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 3.5
8.0
Thermal Shock Resistance, points 11
13

Alloy Composition

Carbon (C), % 0.2 to 0.5
0
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0
94 to 95.7
Iron (Fe), % 44.9 to 57.8
0 to 0.2
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 2.0
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
3.5 to 5.0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.5