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ACI-ASTM CN3M Steel vs. C66900 Brass

ACI-ASTM CN3M steel belongs to the iron alloys classification, while C66900 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3M steel and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 34
1.1 to 26
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
45
Tensile Strength: Ultimate (UTS), MPa 500
460 to 770
Tensile Strength: Yield (Proof), MPa 190
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
150
Melting Completion (Liquidus), °C 1450
860
Melting Onset (Solidus), °C 1400
850
Specific Heat Capacity, J/kg-K 470
400
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 5.9
2.8
Embodied Energy, MJ/kg 80
46
Embodied Water, L/kg 200
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 89
460 to 2450
Stiffness to Weight: Axial, points 14
8.1
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17
15 to 26
Strength to Weight: Bending, points 17
16 to 23
Thermal Shock Resistance, points 11
14 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0
62.5 to 64.5
Iron (Fe), % 42.4 to 52.5
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
11.5 to 12.5
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 23 to 27
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
22.5 to 26
Residuals, % 0
0 to 0.2