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CC755S Brass vs. SAE-AISI M4 Steel

CC755S brass belongs to the copper alloys classification, while SAE-AISI M4 steel belongs to the iron 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 CC755S brass and the bottom bar is SAE-AISI M4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 390
770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 170
260
Melting Completion (Liquidus), °C 820
1610
Melting Onset (Solidus), °C 780
1560
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 120
25
Thermal Expansion, µm/m-K 21
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
25
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
14
Embodied Energy, MJ/kg 46
210
Embodied Water, L/kg 330
110

Common Calculations

Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
23
Strength to Weight: Axial, points 14
26 to 72
Strength to Weight: Bending, points 15
23 to 45
Thermal Diffusivity, mm2/s 38
6.9
Thermal Shock Resistance, points 13
24 to 68

Alloy Composition

Aluminum (Al), % 0.4 to 0.7
0
Carbon (C), % 0
1.3 to 1.4
Chromium (Cr), % 0
3.8 to 4.8
Copper (Cu), % 59.5 to 61
0 to 0.25
Iron (Fe), % 0.050 to 0.2
75.9 to 81.4
Lead (Pb), % 1.2 to 1.7
0
Manganese (Mn), % 0 to 0.050
0.15 to 0.4
Molybdenum (Mo), % 0
4.3 to 5.5
Nickel (Ni), % 0 to 0.2
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.3
0
Tungsten (W), % 0
5.3 to 6.5
Vanadium (V), % 0
3.8 to 4.5
Zinc (Zn), % 35.8 to 38.9
0