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SAE-AISI M4 Steel vs. CC764S Brass

SAE-AISI M4 steel belongs to the iron alloys classification, while CC764S 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 CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
680

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Melting Completion (Liquidus), °C 1610
850
Melting Onset (Solidus), °C 1560
810
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 25
94
Thermal Expansion, µm/m-K 12
20

Otherwise Unclassified Properties

Base Metal Price, % relative 25
23
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 14
2.9
Embodied Energy, MJ/kg 210
49
Embodied Water, L/kg 110
330

Common Calculations

Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 23
20
Strength to Weight: Axial, points 26 to 72
24
Strength to Weight: Bending, points 23 to 45
22
Thermal Diffusivity, mm2/s 6.9
30
Thermal Shock Resistance, points 24 to 68
22

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 1.3 to 1.4
0
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
52 to 66
Iron (Fe), % 75.9 to 81.4
0.5 to 2.5
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0.15 to 0.4
0.3 to 4.0
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 0.3
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Zinc (Zn), % 0
20.7 to 50.2