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SAE-AISI 1021 Steel vs. C90900 Bronze

SAE-AISI 1021 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 1021 steel and the bottom bar is C90900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
90
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 17 to 27
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 480 to 530
280
Tensile Strength: Yield (Proof), MPa 260 to 450
140

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 400
160
Melting Completion (Liquidus), °C 1460
980
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 470
360
Thermal Conductivity, W/m-K 52
65
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.9
8.7
Embodied Carbon, kg CO2/kg material 1.4
3.9
Embodied Energy, MJ/kg 18
64
Embodied Water, L/kg 46
410

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
35
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 530
89
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 17 to 19
8.8
Strength to Weight: Bending, points 17 to 18
11
Thermal Diffusivity, mm2/s 14
21
Thermal Shock Resistance, points 15 to 17
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0.18 to 0.23
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 98.8 to 99.22
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