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SAE-AISI D7 Steel vs. C91100 Bronze

SAE-AISI D7 steel belongs to the iron alloys classification, while C91100 bronze belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D7 steel and the bottom bar is C91100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 73
39
Tensile Strength: Ultimate (UTS), MPa 800 to 2120
240

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Melting Completion (Liquidus), °C 1440
950
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 27
63
Thermal Expansion, µm/m-K 11
18

Otherwise Unclassified Properties

Base Metal Price, % relative 10
38
Density, g/cm3 7.6
8.7
Embodied Carbon, kg CO2/kg material 11
4.2
Embodied Energy, MJ/kg 180
69
Embodied Water, L/kg 130
440

Common Calculations

Stiffness to Weight: Axial, points 14
6.7
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 29 to 78
7.7
Strength to Weight: Bending, points 25 to 48
9.9
Thermal Diffusivity, mm2/s 7.4
20
Thermal Shock Resistance, points 27 to 72
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 2.2 to 2.5
0
Chromium (Cr), % 11.5 to 13.5
0
Copper (Cu), % 0 to 0.25
82 to 85
Iron (Fe), % 76.6 to 81.9
0 to 0.25
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 1.0
Silicon (Si), % 0 to 0.6
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.050
Tin (Sn), % 0
15 to 17
Vanadium (V), % 3.8 to 4.4
0
Zinc (Zn), % 0
0 to 0.25