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C69300 Brass vs. SAE-AISI S7 Steel

C69300 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 (8, in this case) are not shown.

For each property being compared, the top bar is C69300 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 0.32
0.29
Shear Modulus, GPa 41
74
Tensile Strength: Ultimate (UTS), MPa 550 to 630
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 240
260
Melting Completion (Liquidus), °C 880
1460
Melting Onset (Solidus), °C 860
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 38
40
Thermal Expansion, µm/m-K 19
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 26
5.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 45
31
Embodied Water, L/kg 310
65

Common Calculations

Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19 to 21
24 to 72
Strength to Weight: Bending, points 18 to 20
22 to 46
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 19 to 22
22 to 66

Alloy Composition

Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
3.0 to 3.5
Copper (Cu), % 73 to 77
0 to 0.25
Iron (Fe), % 0 to 0.1
91.6 to 94.9
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.1
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0 to 0.1
0
Phosphorus (P), % 0.040 to 0.15
0 to 0.030
Silicon (Si), % 2.7 to 3.4
0.2 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.2
0
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 18.4 to 24.3
0
Residuals, % 0 to 0.5
0