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CC764S Brass vs. SAE-AISI 1021 Steel

CC764S brass belongs to the copper alloys classification, while SAE-AISI 1021 steel belongs to the iron 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 CC764S brass and the bottom bar is SAE-AISI 1021 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
130 to 150
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 15
17 to 27
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 680
480 to 530
Tensile Strength: Yield (Proof), MPa 290
260 to 450

Thermal Properties

Latent Heat of Fusion, J/g 180
250
Maximum Temperature: Mechanical, °C 130
400
Melting Completion (Liquidus), °C 850
1460
Melting Onset (Solidus), °C 810
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 94
52
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 36
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 49
18
Embodied Water, L/kg 330
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 390
180 to 530
Stiffness to Weight: Axial, points 7.6
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 24
17 to 19
Strength to Weight: Bending, points 22
17 to 18
Thermal Diffusivity, mm2/s 30
14
Thermal Shock Resistance, points 22
15 to 17

Alloy Composition

Aluminum (Al), % 1.0 to 3.0
0
Antimony (Sb), % 0 to 0.050
0
Carbon (C), % 0
0.18 to 0.23
Copper (Cu), % 52 to 66
0
Iron (Fe), % 0.5 to 2.5
98.8 to 99.22
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0.3 to 4.0
0.6 to 0.9
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0 to 0.3
0
Zinc (Zn), % 20.7 to 50.2
0