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ACI-ASTM CK3MCuN Steel vs. C99700 Brass

ACI-ASTM CK3MCuN steel belongs to the iron alloys classification, while C99700 brass belongs to the copper alloys. There are 26 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 ACI-ASTM CK3MCuN steel and the bottom bar is C99700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 39
25
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
46
Tensile Strength: Ultimate (UTS), MPa 620
380
Tensile Strength: Yield (Proof), MPa 290
170

Thermal Properties

Latent Heat of Fusion, J/g 300
200
Maximum Temperature: Mechanical, °C 1090
160
Melting Completion (Liquidus), °C 1460
900
Melting Onset (Solidus), °C 1350
880
Specific Heat Capacity, J/kg-K 460
410
Thermal Expansion, µm/m-K 16
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
25
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 5.6
3.3
Embodied Energy, MJ/kg 76
53
Embodied Water, L/kg 190
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
78
Resilience: Unit (Modulus of Resilience), kJ/m3 210
120
Stiffness to Weight: Axial, points 14
8.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 21
13
Strength to Weight: Bending, points 20
14
Thermal Shock Resistance, points 14
11

Alloy Composition

Aluminum (Al), % 0
0.5 to 3.0
Carbon (C), % 0 to 0.025
0
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
54 to 65.5
Iron (Fe), % 49.5 to 56.3
0 to 1.0
Lead (Pb), % 0
0 to 2.0
Manganese (Mn), % 0 to 1.2
11 to 15
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 19.5
4.0 to 6.0
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19 to 25
Residuals, % 0
0 to 0.3