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SAE-AISI M43 Steel vs. C99400 Brass

SAE-AISI M43 steel belongs to the iron alloys classification, while C99400 brass belongs to the copper alloys. There are 19 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 C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 77
44
Tensile Strength: Ultimate (UTS), MPa 810 to 2290
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
230
Melting Completion (Liquidus), °C 1550
1070
Melting Onset (Solidus), °C 1500
1020
Specific Heat Capacity, J/kg-K 450
400
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 33
30
Density, g/cm3 8.2
8.7
Embodied Carbon, kg CO2/kg material 8.5
2.8
Embodied Energy, MJ/kg 120
45
Embodied Water, L/kg 140
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 27 to 77
15 to 17
Strength to Weight: Bending, points 24 to 47
15 to 17
Thermal Shock Resistance, points 25 to 71
16 to 19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
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
83.5 to 96.5
Iron (Fe), % 70.8 to 76
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0.2 to 0.4
0 to 0.5
Molybdenum (Mo), % 7.5 to 8.5
0
Nickel (Ni), % 0 to 0.3
1.0 to 3.5
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.65
0.5 to 2.0
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
0.5 to 5.0
Residuals, % 0
0 to 0.3