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CC751S Brass vs. ACI-ASTM CN7M Steel

CC751S 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 CC751S brass and the bottom bar is ACI-ASTM CN7M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
140
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 5.6
44
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
77
Tensile Strength: Ultimate (UTS), MPa 450
480
Tensile Strength: Yield (Proof), MPa 320
200

Thermal Properties

Latent Heat of Fusion, J/g 190
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 850
1410
Melting Onset (Solidus), °C 810
1450
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 110
21
Thermal Expansion, µm/m-K 20
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 28
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
32
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.8
5.6
Embodied Energy, MJ/kg 46
78
Embodied Water, L/kg 330
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23
170
Resilience: Unit (Modulus of Resilience), kJ/m3 480
110
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
17
Thermal Diffusivity, mm2/s 35
5.6
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Antimony (Sb), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 62.7 to 66
3.0 to 4.0
Iron (Fe), % 0.25 to 0.5
37.4 to 48.5
Lead (Pb), % 0.8 to 2.2
0
Manganese (Mn), % 0 to 0.15
0 to 1.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0 to 0.8
27.5 to 30.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.65 to 1.1
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0 to 0.8
0
Zinc (Zn), % 27.9 to 35.6
0