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ACI-ASTM CK20 Steel vs. CC760S Brass

ACI-ASTM CK20 steel belongs to the iron alloys classification, while CC760S 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 CK20 steel and the bottom bar is CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
51
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 37
22
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 78
42
Tensile Strength: Ultimate (UTS), MPa 530
180
Tensile Strength: Yield (Proof), MPa 260
80

Thermal Properties

Latent Heat of Fusion, J/g 310
190
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1400
1000
Melting Onset (Solidus), °C 1430
940
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
150
Thermal Expansion, µm/m-K 15
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
38
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
40

Otherwise Unclassified Properties

Base Metal Price, % relative 25
28
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 4.4
2.6
Embodied Energy, MJ/kg 62
43
Embodied Water, L/kg 190
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
33
Resilience: Unit (Modulus of Resilience), kJ/m3 170
29
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 19
5.8
Strength to Weight: Bending, points 19
8.2
Thermal Diffusivity, mm2/s 3.7
45
Thermal Shock Resistance, points 13
6.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Arsenic (As), % 0
0.050 to 0.15
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 23 to 27
0
Copper (Cu), % 0
83 to 88
Iron (Fe), % 46.7 to 58
0 to 0.15
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 19 to 22
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.020
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
10.7 to 17