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SAE-AISI 1090 Steel vs. C90900 Bronze

SAE-AISI 1090 steel belongs to the iron alloys classification, while C90900 bronze belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1090 steel and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 280
90
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 790 to 950
280
Tensile Strength: Yield (Proof), MPa 520 to 610
140

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 400
160
Melting Completion (Liquidus), °C 1450
980
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 470
360
Thermal Conductivity, W/m-K 50
65
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
3.9
Embodied Energy, MJ/kg 19
64
Embodied Water, L/kg 46
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 91
35
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1000
89
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 28 to 34
8.8
Strength to Weight: Bending, points 24 to 27
11
Thermal Diffusivity, mm2/s 13
21
Thermal Shock Resistance, points 25 to 31
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0.85 to 1.0
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 98 to 98.6
0 to 0.15
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.6 to 0.9
0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0 to 0.050
0 to 0.050
Tin (Sn), % 0
12 to 14
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.6