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C87800 Brass vs. SAE-AISI S7 Steel

C87800 brass belongs to the copper alloys classification, while SAE-AISI S7 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C87800 brass and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
74
Tensile Strength: Ultimate (UTS), MPa 590
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 920
1460
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 28
40
Thermal Expansion, µm/m-K 18
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 27
5.0
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 44
31
Embodied Water, L/kg 300
65

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 20
24 to 72
Strength to Weight: Bending, points 19
22 to 46
Thermal Diffusivity, mm2/s 8.3
11
Thermal Shock Resistance, points 21
22 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
3.0 to 3.5
Copper (Cu), % 80 to 84.2
0 to 0.25
Iron (Fe), % 0 to 0.15
91.6 to 94.9
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 3.8 to 4.2
0.2 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.5
0