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CC763S Brass vs. SAE-AISI 4145 Steel

CC763S brass belongs to the copper alloys classification, while SAE-AISI 4145 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is CC763S brass and the bottom bar is SAE-AISI 4145 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
310
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 7.3
16
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 41
73
Tensile Strength: Ultimate (UTS), MPa 490
580
Tensile Strength: Yield (Proof), MPa 270
360

Thermal Properties

Latent Heat of Fusion, J/g 190
250
Maximum Temperature: Mechanical, °C 140
420
Melting Completion (Liquidus), °C 870
1460
Melting Onset (Solidus), °C 830
1420
Specific Heat Capacity, J/kg-K 400
470
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 32
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.4
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 49
20
Embodied Water, L/kg 330
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30
80
Resilience: Unit (Modulus of Resilience), kJ/m3 340
350
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 17
20
Thermal Shock Resistance, points 16
17

Alloy Composition

Aluminum (Al), % 1.0 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Carbon (C), % 0
0.43 to 0.48
Chromium (Cr), % 0
0.8 to 1.1
Copper (Cu), % 56.5 to 67
0
Iron (Fe), % 0.5 to 2.0
96.7 to 97.7
Lead (Pb), % 0 to 1.5
0
Manganese (Mn), % 1.0 to 3.5
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0 to 2.5
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 18.9 to 41
0