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SAE-AISI M33 Steel vs. C42500 Brass

SAE-AISI M33 steel belongs to the iron alloys classification, while C42500 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M33 steel and the bottom bar is C42500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 78
42
Tensile Strength: Ultimate (UTS), MPa 810 to 2210
310 to 630

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Melting Completion (Liquidus), °C 1550
1030
Melting Onset (Solidus), °C 1500
1010
Specific Heat Capacity, J/kg-K 440
380
Thermal Conductivity, W/m-K 20
120
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 32
30
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 7.7
2.8
Embodied Energy, MJ/kg 110
46
Embodied Water, L/kg 150
330

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 27 to 75
9.9 to 20
Strength to Weight: Bending, points 24 to 46
12 to 19
Thermal Diffusivity, mm2/s 5.5
36
Thermal Shock Resistance, points 25 to 68
11 to 22

Alloy Composition

Carbon (C), % 0.85 to 0.92
0
Chromium (Cr), % 3.5 to 4.0
0
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
87 to 90
Iron (Fe), % 71.4 to 76.3
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 9.0 to 10
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0 to 0.35
Silicon (Si), % 0.15 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.5 to 3.0
Tungsten (W), % 1.3 to 2.1
0
Vanadium (V), % 1.0 to 1.4
0
Zinc (Zn), % 0
6.1 to 11.5
Residuals, % 0
0 to 0.5