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CC762S Brass vs. ACI-ASTM CN7M Steel

CC762S brass belongs to the copper alloys classification, while ACI-ASTM CN7M steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC762S brass and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
140
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 7.3
44
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 840
480
Tensile Strength: Yield (Proof), MPa 540
200

Thermal Properties

Latent Heat of Fusion, J/g 200
310
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 920
1410
Melting Onset (Solidus), °C 870
1450
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 51
21
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 32
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 3.1
5.6
Embodied Energy, MJ/kg 51
78
Embodied Water, L/kg 350
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1290
110
Stiffness to Weight: Axial, points 7.8
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 29
17
Strength to Weight: Bending, points 25
17
Thermal Diffusivity, mm2/s 15
5.6
Thermal Shock Resistance, points 27
12

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0
Antimony (Sb), % 0 to 0.030
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 57 to 67
3.0 to 4.0
Iron (Fe), % 1.5 to 4.0
37.4 to 48.5
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 3.0
27.5 to 30.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 13.4 to 36
0