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CC750S Brass vs. SAE-AISI 8640 Steel

CC750S brass belongs to the copper alloys classification, while SAE-AISI 8640 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CC750S brass and the bottom bar is SAE-AISI 8640 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 54
170
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 13
23
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 200
570
Tensile Strength: Yield (Proof), MPa 80
380

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 130
410
Melting Completion (Liquidus), °C 860
1460
Melting Onset (Solidus), °C 810
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
39
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 26
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.6
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 330
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
120
Resilience: Unit (Modulus of Resilience), kJ/m3 30
380
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 6.8
20
Strength to Weight: Bending, points 9.3
20
Thermal Diffusivity, mm2/s 35
10
Thermal Shock Resistance, points 6.7
17

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 62 to 67
0
Iron (Fe), % 0 to 0.8
96.6 to 97.8
Lead (Pb), % 1.0 to 3.0
0
Manganese (Mn), % 0 to 0.2
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 1.0
0.4 to 0.7
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0 to 0.050
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 26.3 to 36
0