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C33200 Brass vs. SAE-AISI M7 Steel

C33200 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 (10, in this case) are not shown.

For each property being compared, the top bar is C33200 brass and the bottom bar is SAE-AISI M7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 320 to 520
760 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 170
270
Melting Completion (Liquidus), °C 930
1560
Melting Onset (Solidus), °C 900
1510
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
18
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 2.6
8.9
Embodied Energy, MJ/kg 44
130
Embodied Water, L/kg 320
100

Common Calculations

Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 11 to 17
26 to 76
Strength to Weight: Bending, points 13 to 17
23 to 47
Thermal Diffusivity, mm2/s 37
7.8
Thermal Shock Resistance, points 11 to 17
24 to 69

Alloy Composition

Carbon (C), % 0
1.0 to 1.1
Chromium (Cr), % 0
3.5 to 4.0
Copper (Cu), % 65 to 68
0 to 0.25
Iron (Fe), % 0 to 0.070
79.8 to 83.8
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.55
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.8 to 2.3
Zinc (Zn), % 29 to 33.5
0
Residuals, % 0 to 0.4
0