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C84000 Brass vs. SAE-AISI M7 Steel

C84000 brass belongs to the copper alloys classification, while SAE-AISI M7 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C84000 brass and the bottom bar is SAE-AISI M7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 42
77
Tensile Strength: Ultimate (UTS), MPa 250
760 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 190
270
Melting Completion (Liquidus), °C 1040
1560
Melting Onset (Solidus), °C 940
1510
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 72
28
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 30
18
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 3.0
8.9
Embodied Energy, MJ/kg 49
130
Embodied Water, L/kg 330
100

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 8.2
26 to 76
Strength to Weight: Bending, points 10
23 to 47
Thermal Diffusivity, mm2/s 22
7.8
Thermal Shock Resistance, points 9.0
24 to 69

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 82 to 89
0 to 0.25
Iron (Fe), % 0 to 0.4
79.8 to 83.8
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.010
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 0.5 to 2.0
0 to 0.3
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 0.0050
0.2 to 0.55
Sulfur (S), % 0.1 to 0.65
0 to 0.030
Tin (Sn), % 2.0 to 4.0
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.8 to 2.3
Zinc (Zn), % 5.0 to 14
0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0