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ACI-ASTM CN3M Steel vs. C68000 Brass

ACI-ASTM CN3M steel belongs to the iron alloys classification, while C68000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3M steel and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 34
27
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 500
390
Tensile Strength: Yield (Proof), MPa 190
140

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1450
880
Melting Onset (Solidus), °C 1400
870
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 13
96
Thermal Expansion, µm/m-K 16
21

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 5.9
2.8
Embodied Energy, MJ/kg 80
48
Embodied Water, L/kg 200
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
82
Resilience: Unit (Modulus of Resilience), kJ/m3 89
95
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 17
14
Strength to Weight: Bending, points 17
15
Thermal Diffusivity, mm2/s 3.4
31
Thermal Shock Resistance, points 11
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0
56 to 60
Iron (Fe), % 42.4 to 52.5
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0.010 to 0.5
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 23 to 27
0.2 to 0.8
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.0
0.040 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 0
35.6 to 42.8
Residuals, % 0
0 to 0.5