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SAE-AISI M43 Steel vs. C43000 Brass

SAE-AISI M43 steel belongs to the iron alloys classification, while C43000 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M43 steel and the bottom bar is C43000 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
320 to 710

Thermal Properties

Latent Heat of Fusion, J/g 270
190
Melting Completion (Liquidus), °C 1550
1030
Melting Onset (Solidus), °C 1500
1000
Specific Heat Capacity, J/kg-K 450
380
Thermal Conductivity, W/m-K 19
120
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 33
29
Density, g/cm3 8.2
8.6
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
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 27 to 77
10 to 23
Strength to Weight: Bending, points 24 to 47
12 to 20
Thermal Diffusivity, mm2/s 5.3
36
Thermal Shock Resistance, points 25 to 71
11 to 25

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
84 to 87
Iron (Fe), % 70.8 to 76
0 to 0.050
Lead (Pb), % 0
0 to 0.1
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
1.7 to 2.7
Tungsten (W), % 2.3 to 3.0
0
Vanadium (V), % 1.5 to 1.8
0
Zinc (Zn), % 0
9.7 to 14.3
Residuals, % 0
0 to 0.5