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SAE-AISI M50 Steel vs. C69300 Brass

SAE-AISI M50 steel belongs to the iron alloys classification, while C69300 brass belongs to the copper alloys. There are 23 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 M50 steel and the bottom bar is C69300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 75
41
Tensile Strength: Ultimate (UTS), MPa 720 to 2250
550 to 630

Thermal Properties

Latent Heat of Fusion, J/g 260
240
Melting Completion (Liquidus), °C 1480
880
Melting Onset (Solidus), °C 1440
860
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 35
38
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
26
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 5.1
2.7
Embodied Energy, MJ/kg 74
45
Embodied Water, L/kg 83
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26 to 80
19 to 21
Strength to Weight: Bending, points 23 to 49
18 to 20
Thermal Diffusivity, mm2/s 9.7
12
Thermal Shock Resistance, points 21 to 66
19 to 22

Alloy Composition

Carbon (C), % 0.78 to 0.88
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
73 to 77
Iron (Fe), % 87 to 90.4
0 to 0.1
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0.15 to 0.45
0 to 0.1
Molybdenum (Mo), % 3.9 to 4.8
0
Nickel (Ni), % 0 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.030
0.040 to 0.15
Silicon (Si), % 0.2 to 0.6
2.7 to 3.4
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Vanadium (V), % 0.8 to 1.3
0
Zinc (Zn), % 0
18.4 to 24.3
Residuals, % 0
0 to 0.5