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SAE-AISI 1021 Steel vs. CC331G Bronze

SAE-AISI 1021 steel belongs to the iron alloys classification, while CC331G 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 CC331G bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
140
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 17 to 27
20
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 480 to 530
620
Tensile Strength: Yield (Proof), MPa 260 to 450
240

Thermal Properties

Latent Heat of Fusion, J/g 250
230
Maximum Temperature: Mechanical, °C 400
220
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1420
1000
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 52
61
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
13
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
14

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.9
8.3
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 18
53
Embodied Water, L/kg 46
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
97
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 530
250
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17 to 19
21
Strength to Weight: Bending, points 17 to 18
19
Thermal Diffusivity, mm2/s 14
17
Thermal Shock Resistance, points 15 to 17
22

Alloy Composition

Aluminum (Al), % 0
8.5 to 10.5
Carbon (C), % 0.18 to 0.23
0
Copper (Cu), % 0
83 to 86.5
Iron (Fe), % 98.8 to 99.22
1.5 to 3.5
Lead (Pb), % 0
0 to 0.1
Magnesium (Mg), % 0
0 to 0.050
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Nickel (Ni), % 0
0 to 1.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0
0 to 0.2
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.5