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SAE-AISI M50 Steel vs. C47940 Brass

SAE-AISI M50 steel belongs to the iron alloys classification, while C47940 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M50 steel and the bottom bar is C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 75
40
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
380 to 520

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Melting Completion (Liquidus), °C 1480
850
Melting Onset (Solidus), °C 1440
800
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 35
110
Thermal Expansion, µm/m-K 13
20

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 5.1
2.8
Embodied Energy, MJ/kg 74
47
Embodied Water, L/kg 83
330

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26 to 80
13 to 17
Strength to Weight: Bending, points 23 to 49
14 to 17
Thermal Diffusivity, mm2/s 9.7
36
Thermal Shock Resistance, points 21 to 66
13 to 17

Alloy Composition

Carbon (C), % 0.78 to 0.88
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
63 to 66
Iron (Fe), % 87 to 90.4
0.1 to 1.0
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 0.15 to 0.45
0
Molybdenum (Mo), % 3.9 to 4.8
0
Nickel (Ni), % 0 to 0.3
0.1 to 0.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.2 to 2.0
Vanadium (V), % 0.8 to 1.3
0
Zinc (Zn), % 0
28.1 to 34.6
Residuals, % 0
0 to 0.4