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SAE-AISI M3 Class 2 Steel vs. C99750 Brass

SAE-AISI M3 class 2 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 M3 class 2 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 770 to 2210
450 to 520

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Melting Completion (Liquidus), °C 1620
840
Melting Onset (Solidus), °C 1570
820
Specific Heat Capacity, J/kg-K 440
410
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 12
3.1
Embodied Energy, MJ/kg 180
51
Embodied Water, L/kg 110
310

Common Calculations

Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 26 to 74
15 to 18
Strength to Weight: Bending, points 22 to 45
16 to 18
Thermal Shock Resistance, points 24 to 69
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Carbon (C), % 1.2 to 1.3
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
55 to 61
Iron (Fe), % 75.8 to 82.3
0 to 1.0
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0.15 to 0.4
17 to 23
Molybdenum (Mo), % 4.8 to 6.5
0
Nickel (Ni), % 0 to 0.3
0 to 5.0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.0 to 6.8
0
Vanadium (V), % 2.8 to 3.8
0
Zinc (Zn), % 0
17 to 23
Residuals, % 0
0 to 0.3