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SAE-AISI M3 Class 2 Steel vs. C33200 Brass

SAE-AISI M3 class 2 steel belongs to the iron alloys classification, while C33200 brass belongs to the copper 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 SAE-AISI M3 class 2 steel and the bottom bar is C33200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 770 to 2210
320 to 520

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Melting Completion (Liquidus), °C 1620
930
Melting Onset (Solidus), °C 1570
900
Specific Heat Capacity, J/kg-K 440
380
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
8.2
Embodied Carbon, kg CO2/kg material 12
2.6
Embodied Energy, MJ/kg 180
44
Embodied Water, L/kg 110
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 26 to 74
11 to 17
Strength to Weight: Bending, points 22 to 45
13 to 17
Thermal Diffusivity, mm2/s 7.2
37
Thermal Shock Resistance, points 24 to 69
11 to 17

Alloy Composition

Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
65 to 68
Iron (Fe), % 75.8 to 82.3
0 to 0.070
Lead (Pb), % 0
1.5 to 2.5
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
29 to 33.5
Residuals, % 0
0 to 0.4