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SAE-AISI M43 Steel vs. C44300 Brass

SAE-AISI M43 steel belongs to the iron alloys classification, while C44300 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 M43 steel and the bottom bar is C44300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
350

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Melting Completion (Liquidus), °C 1550
940
Melting Onset (Solidus), °C 1500
900
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 19
110
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 33
26
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 120
46
Embodied Water, L/kg 140
330

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 27 to 77
12
Strength to Weight: Bending, points 24 to 47
13
Thermal Diffusivity, mm2/s 5.3
35
Thermal Shock Resistance, points 25 to 71
12

Alloy Composition

Arsenic (As), % 0
0.020 to 0.060
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
70 to 73
Iron (Fe), % 70.8 to 76
0 to 0.060
Lead (Pb), % 0
0 to 0.070
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
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.9 to 1.2
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0
Zinc (Zn), % 0
25.2 to 29.1
Residuals, % 0
0 to 0.4