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C47940 Brass vs. ACI-ASTM CN3M Steel

C47940 brass belongs to the copper alloys classification, while ACI-ASTM CN3M steel belongs to the iron 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 C47940 brass and the bottom bar is ACI-ASTM CN3M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 14 to 34
34
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 380 to 520
500
Tensile Strength: Yield (Proof), MPa 160 to 390
190

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 850
1450
Melting Onset (Solidus), °C 800
1400
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 110
13
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
31
Density, g/cm3 8.2
8.1
Embodied Carbon, kg CO2/kg material 2.8
5.9
Embodied Energy, MJ/kg 47
80
Embodied Water, L/kg 330
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
89
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13 to 17
17
Strength to Weight: Bending, points 14 to 17
17
Thermal Diffusivity, mm2/s 36
3.4
Thermal Shock Resistance, points 13 to 17
11

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
42.4 to 52.5
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
4.5 to 5.5
Nickel (Ni), % 0.1 to 0.5
23 to 27
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0