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SAE-AISI M30 Steel vs. C87500 Brass

SAE-AISI M30 steel belongs to the iron alloys classification, while C87500 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M30 steel and the bottom bar is C87500 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 800 to 2170
460

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1550
920
Melting Onset (Solidus), °C 1500
820
Specific Heat Capacity, J/kg-K 450
410
Thermal Conductivity, W/m-K 24
28
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 26
27
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 7.2
2.7
Embodied Energy, MJ/kg 100
44
Embodied Water, L/kg 120
300

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 27 to 74
16
Strength to Weight: Bending, points 24 to 46
16
Thermal Diffusivity, mm2/s 6.6
8.3
Thermal Shock Resistance, points 25 to 67
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Carbon (C), % 0.75 to 0.85
0
Chromium (Cr), % 3.5 to 4.3
0
Cobalt (Co), % 4.5 to 5.5
0
Copper (Cu), % 0 to 0.25
79 to 85
Iron (Fe), % 75.2 to 80.9
0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 7.8 to 9.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
3.0 to 5.0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 1.3 to 2.3
0
Vanadium (V), % 1.0 to 1.4
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.5