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C37100 Brass vs. ACI-ASTM CN3MN Steel

C37100 brass belongs to the copper alloys classification, while ACI-ASTM CN3MN steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C37100 brass and the bottom bar is ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 8.0 to 40
39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 370 to 520
620
Tensile Strength: Yield (Proof), MPa 150 to 390
300

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 900
1460
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 380
460
Thermal Conductivity, W/m-K 120
13
Thermal Expansion, µm/m-K 21
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 30
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 2.7
6.2
Embodied Energy, MJ/kg 45
84
Embodied Water, L/kg 320
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
210
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 13 to 18
21
Strength to Weight: Bending, points 14 to 18
20
Thermal Diffusivity, mm2/s 39
3.4
Thermal Shock Resistance, points 12 to 17
14

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 58 to 62
0 to 0.75
Iron (Fe), % 0 to 0.15
41.4 to 50.3
Lead (Pb), % 0.6 to 1.2
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
23.5 to 25.5
Nitrogen (N), % 0
0.18 to 0.26
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 36.3 to 41.4
0
Residuals, % 0 to 0.4
0