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C69700 Brass vs. SAE-AISI M42 Steel

C69700 brass belongs to the copper alloys classification, while SAE-AISI M42 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 C69700 brass and the bottom bar is SAE-AISI M42 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 41
78
Tensile Strength: Ultimate (UTS), MPa 470
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 240
270
Melting Completion (Liquidus), °C 930
1540
Melting Onset (Solidus), °C 880
1490
Specific Heat Capacity, J/kg-K 400
450
Thermal Conductivity, W/m-K 43
20
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Base Metal Price, % relative 26
30
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
7.4
Embodied Energy, MJ/kg 44
100
Embodied Water, L/kg 310
140

Common Calculations

Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
28 to 79
Strength to Weight: Bending, points 16
24 to 48
Thermal Diffusivity, mm2/s 13
5.4
Thermal Shock Resistance, points 16
25 to 71

Alloy Composition

Carbon (C), % 0
1.1 to 1.2
Chromium (Cr), % 0
3.5 to 4.3
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 75 to 80
0 to 0.25
Iron (Fe), % 0 to 0.2
76.3 to 81
Lead (Pb), % 0.5 to 1.5
0
Manganese (Mn), % 0 to 0.4
0.15 to 0.4
Molybdenum (Mo), % 0
9.0 to 10
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 2.5 to 3.5
0.15 to 0.65
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
1.2 to 1.9
Vanadium (V), % 0
1.0 to 1.4
Zinc (Zn), % 13.9 to 22
0
Residuals, % 0 to 0.5
0