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SAE-AISI M3 Class 2 Steel vs. C27000 Brass

SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while C27000 brass belongs to the copper 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 SAE-AISI M3 class 2 steel and the bottom bar is C27000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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