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SAE-AISI M43 Steel vs. C99750 Brass

SAE-AISI M43 steel belongs to the iron alloys classification, while C99750 brass belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M43 steel and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
130
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 77
48
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
450 to 520

Thermal Properties

Latent Heat of Fusion, J/g 270
200
Melting Completion (Liquidus), °C 1550
840
Melting Onset (Solidus), °C 1500
820
Specific Heat Capacity, J/kg-K 450
410
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 33
23
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 8.5
3.1
Embodied Energy, MJ/kg 120
51
Embodied Water, L/kg 140
310

Common Calculations

Stiffness to Weight: Axial, points 14
8.6
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 27 to 77
15 to 18
Strength to Weight: Bending, points 24 to 47
16 to 18
Thermal Shock Resistance, points 25 to 71
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
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
55 to 61
Iron (Fe), % 70.8 to 76
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0.2 to 0.4
17 to 23
Molybdenum (Mo), % 7.5 to 8.5
0
Nickel (Ni), % 0 to 0.3
0 to 5.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.65
0
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
17 to 23
Residuals, % 0
0 to 0.3