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SAE-AISI M30 Steel vs. C27000 Brass

SAE-AISI M30 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 M30 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 78
40
Tensile Strength: Ultimate (UTS), MPa 800 to 2170
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Melting Completion (Liquidus), °C 1550
930
Melting Onset (Solidus), °C 1500
900
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 24
120
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 7.2
2.7
Embodied Energy, MJ/kg 100
45
Embodied Water, L/kg 120
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 27 to 74
13 to 22
Strength to Weight: Bending, points 24 to 46
14 to 21
Thermal Diffusivity, mm2/s 6.6
37
Thermal Shock Resistance, points 25 to 67
12 to 22

Alloy Composition

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
63 to 68.5
Iron (Fe), % 75.2 to 80.9
0 to 0.1
Lead (Pb), % 0
0 to 0.070
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
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
31 to 37
Residuals, % 0
0 to 0.3