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ACI-ASTM CN3M Steel vs. CC750S Brass

ACI-ASTM CN3M steel belongs to the iron alloys classification, while CC750S brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3M steel and the bottom bar is CC750S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
54
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 34
13
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 80
40
Tensile Strength: Ultimate (UTS), MPa 500
200
Tensile Strength: Yield (Proof), MPa 190
80

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
130
Melting Completion (Liquidus), °C 1450
860
Melting Onset (Solidus), °C 1400
810
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 13
110
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
24
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
26

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
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
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
22
Resilience: Unit (Modulus of Resilience), kJ/m3 89
30
Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 17
6.8
Strength to Weight: Bending, points 17
9.3
Thermal Diffusivity, mm2/s 3.4
35
Thermal Shock Resistance, points 11
6.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0
62 to 67
Iron (Fe), % 42.4 to 52.5
0 to 0.8
Lead (Pb), % 0
1.0 to 3.0
Manganese (Mn), % 0 to 2.0
0 to 0.2
Molybdenum (Mo), % 4.5 to 5.5
0
Nickel (Ni), % 23 to 27
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.050
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
26.3 to 36