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C27000 Brass vs. SAE-AISI M3 Class 2 Steel

C27000 brass belongs to the copper alloys classification, while SAE-AISI M3 class 2 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is SAE-AISI M3 class 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 370 to 650
770 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 180
260
Melting Completion (Liquidus), °C 930
1620
Melting Onset (Solidus), °C 900
1570
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
26
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 24
25
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
12
Embodied Energy, MJ/kg 45
180
Embodied Water, L/kg 320
110

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 13 to 22
26 to 74
Strength to Weight: Bending, points 14 to 21
22 to 45
Thermal Diffusivity, mm2/s 37
7.2
Thermal Shock Resistance, points 12 to 22
24 to 69

Alloy Composition

Carbon (C), % 0
1.2 to 1.3
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 63 to 68.5
0 to 0.25
Iron (Fe), % 0 to 0.1
75.8 to 82.3
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.8 to 6.5
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
5.0 to 6.8
Vanadium (V), % 0
2.8 to 3.8
Zinc (Zn), % 31 to 37
0
Residuals, % 0 to 0.3
0