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SAE-AISI M43 Steel vs. C69400 Brass

SAE-AISI M43 steel belongs to the iron alloys classification, while C69400 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 M43 steel and the bottom bar is C69400 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 77
42
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
570

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 19
26
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 33
27
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 8.5
2.7
Embodied Energy, MJ/kg 120
44
Embodied Water, L/kg 140
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 77
19
Strength to Weight: Bending, points 24 to 47
18
Thermal Diffusivity, mm2/s 5.3
7.7
Thermal Shock Resistance, points 25 to 71
20

Alloy Composition

Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.5 to 4.3
0
Cobalt (Co), % 7.8 to 8.8
0
Copper (Cu), % 0 to 0.25
80 to 83
Iron (Fe), % 70.8 to 76
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 7.5 to 8.5
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.65
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5