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SAE-AISI M43 Steel vs. C68300 Brass

SAE-AISI M43 steel belongs to the iron alloys classification, while C68300 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 M43 steel and the bottom bar is C68300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
430

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Melting Completion (Liquidus), °C 1550
900
Melting Onset (Solidus), °C 1500
890
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 19
120
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 33
23
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 120
46
Embodied Water, L/kg 140
340

Common Calculations

Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 27 to 77
15
Strength to Weight: Bending, points 24 to 47
16
Thermal Diffusivity, mm2/s 5.3
38
Thermal Shock Resistance, points 25 to 71
14

Alloy Composition

Antimony (Sb), % 0
0.3 to 1.0
Cadmium (Cd), % 0
0 to 0.010
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
59 to 63
Iron (Fe), % 70.8 to 76
0
Lead (Pb), % 0
0 to 0.090
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
0.3 to 1.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.050 to 0.2
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0
Zinc (Zn), % 0
34.2 to 40.4
Residuals, % 0
0 to 0.5