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C47940 Brass vs. SAE-AISI M6 Steel

C47940 brass belongs to the copper alloys classification, while SAE-AISI M6 steel belongs to the iron alloys. There are 21 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 C47940 brass and the bottom bar is SAE-AISI M6 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 380 to 520
840 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Melting Completion (Liquidus), °C 850
1560
Melting Onset (Solidus), °C 800
1510
Specific Heat Capacity, J/kg-K 380
440
Thermal Conductivity, W/m-K 110
17
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
39
Density, g/cm3 8.2
8.4
Embodied Carbon, kg CO2/kg material 2.8
8.0
Embodied Energy, MJ/kg 47
120
Embodied Water, L/kg 330
160

Common Calculations

Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13 to 17
28 to 73
Strength to Weight: Bending, points 14 to 17
24 to 45
Thermal Diffusivity, mm2/s 36
4.7
Thermal Shock Resistance, points 13 to 17
26 to 68

Alloy Composition

Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
11 to 13
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
68.8 to 74.6
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0.1 to 0.5
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.2 to 2.0
0
Tungsten (W), % 0
3.8 to 4.8
Vanadium (V), % 0
1.3 to 1.7
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0