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ACI-ASTM CH20 Steel vs. CC754S Brass

ACI-ASTM CH20 steel belongs to the iron alloys classification, while CC754S 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 CH20 steel and the bottom bar is CC754S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
90
Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 38
11
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 610
320
Tensile Strength: Yield (Proof), MPa 350
160

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1410
830
Melting Onset (Solidus), °C 1430
780
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
95
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
30

Otherwise Unclassified Properties

Base Metal Price, % relative 20
23
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.7
2.8
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
29
Resilience: Unit (Modulus of Resilience), kJ/m3 300
130
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
11
Strength to Weight: Bending, points 21
13
Thermal Diffusivity, mm2/s 3.7
31
Thermal Shock Resistance, points 15
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
57 to 63
Iron (Fe), % 54.7 to 66
0 to 0.7
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0 to 1.5
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
30.2 to 42.5