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ACI-ASTM CH20 Steel vs. C47000 Brass

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C47000 brass belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is C47000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 38
36
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 610
380
Tensile Strength: Yield (Proof), MPa 350
150

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
120
Melting Completion (Liquidus), °C 1410
900
Melting Onset (Solidus), °C 1430
890
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
120
Thermal Expansion, µm/m-K 15
21

Otherwise Unclassified Properties

Base Metal Price, % relative 20
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.7
2.7
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 180
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 300
100
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22
13
Strength to Weight: Bending, points 21
15
Thermal Diffusivity, mm2/s 3.7
38
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
57 to 61
Iron (Fe), % 54.7 to 66
0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0.25 to 1.0
Zinc (Zn), % 0
37.5 to 42.8
Residuals, % 0
0 to 0.4