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SAE-AISI M4 Steel vs. CC762S Brass

SAE-AISI M4 steel belongs to the iron alloys classification, while CC762S brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is CC762S 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 76
43
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
840

Thermal Properties

Latent Heat of Fusion, J/g 260
200
Melting Completion (Liquidus), °C 1610
920
Melting Onset (Solidus), °C 1560
870
Specific Heat Capacity, J/kg-K 440
420
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 14
3.1
Embodied Energy, MJ/kg 210
51
Embodied Water, L/kg 110
350

Common Calculations

Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 26 to 72
29
Strength to Weight: Bending, points 23 to 45
25
Thermal Diffusivity, mm2/s 6.9
15
Thermal Shock Resistance, points 24 to 68
27

Alloy Composition

Aluminum (Al), % 0
3.0 to 7.0
Antimony (Sb), % 0
0 to 0.030
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
57 to 67
Iron (Fe), % 75.9 to 81.4
1.5 to 4.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0.15 to 0.4
2.5 to 5.0
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
0 to 3.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.2 to 0.45
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.2
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Zinc (Zn), % 0
13.4 to 36