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CC762S Brass vs. SAE-AISI 4340M Steel

CC762S brass belongs to the copper alloys classification, while SAE-AISI 4340M steel belongs to the iron alloys. There are 29 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 CC762S brass and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
710
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 7.3
6.0
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 43
72
Tensile Strength: Ultimate (UTS), MPa 840
2340
Tensile Strength: Yield (Proof), MPa 540
1240

Thermal Properties

Latent Heat of Fusion, J/g 200
280
Maximum Temperature: Mechanical, °C 160
430
Melting Completion (Liquidus), °C 920
1440
Melting Onset (Solidus), °C 870
1400
Specific Heat Capacity, J/kg-K 420
480
Thermal Conductivity, W/m-K 51
38
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 32
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 24
3.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.9
Embodied Energy, MJ/kg 51
26
Embodied Water, L/kg 350
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
4120
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 29
84
Strength to Weight: Bending, points 25
51
Thermal Diffusivity, mm2/s 15
10
Thermal Shock Resistance, points 27
70

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0
Antimony (Sb), % 0 to 0.030
0
Carbon (C), % 0
0.38 to 0.43
Chromium (Cr), % 0
0.7 to 1.0
Copper (Cu), % 57 to 67
0
Iron (Fe), % 1.5 to 4.0
93.3 to 94.8
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 0 to 3.0
1.7 to 2.0
Phosphorus (P), % 0 to 0.030
0 to 0.012
Silicon (Si), % 0 to 0.1
1.5 to 1.8
Sulfur (S), % 0
0 to 0.012
Tin (Sn), % 0 to 0.2
0
Vanadium (V), % 0
0.050 to 0.1
Zinc (Zn), % 13.4 to 36
0