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C84000 Brass vs. ACI-ASTM CN7MS Steel

C84000 brass belongs to the copper alloys classification, while ACI-ASTM CN7MS steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C84000 brass and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
160
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 27
39
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
77
Tensile Strength: Ultimate (UTS), MPa 250
540
Tensile Strength: Yield (Proof), MPa 140
230

Thermal Properties

Latent Heat of Fusion, J/g 190
340
Maximum Temperature: Mechanical, °C 170
1040
Melting Completion (Liquidus), °C 1040
1400
Melting Onset (Solidus), °C 940
1350
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 72
12
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 30
28
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 3.0
5.1
Embodied Energy, MJ/kg 49
71
Embodied Water, L/kg 330
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 58
170
Resilience: Unit (Modulus of Resilience), kJ/m3 83
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 8.2
19
Strength to Weight: Bending, points 10
19
Thermal Diffusivity, mm2/s 22
3.2
Thermal Shock Resistance, points 9.0
13

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.020
0
Boron (B), % 0 to 0.1
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0
18 to 20
Copper (Cu), % 82 to 89
1.5 to 2.0
Iron (Fe), % 0 to 0.4
45.4 to 53.5
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.010
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0.5 to 2.0
22 to 25
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 0.0050
2.5 to 3.5
Sulfur (S), % 0.1 to 0.65
0 to 0.030
Tin (Sn), % 2.0 to 4.0
0
Zinc (Zn), % 5.0 to 14
0
Zirconium (Zr), % 0 to 0.1
0
Residuals, % 0 to 0.7
0