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ACI-ASTM CH20 Steel vs. C85900 Brass

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C85900 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 C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
85
Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 38
30
Poisson's Ratio 0.27
0.31
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 610
460
Tensile Strength: Yield (Proof), MPa 350
190

Thermal Properties

Latent Heat of Fusion, J/g 310
170
Maximum Temperature: Mechanical, °C 1100
130
Melting Completion (Liquidus), °C 1410
830
Melting Onset (Solidus), °C 1430
790
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
89
Thermal Expansion, µm/m-K 15
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
25
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
28

Otherwise Unclassified Properties

Base Metal Price, % relative 20
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.7
2.9
Embodied Energy, MJ/kg 53
49
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
170
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 21
17
Thermal Diffusivity, mm2/s 3.7
29
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
58 to 62
Iron (Fe), % 54.7 to 66
0 to 0.5
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.5
0 to 0.010
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
0 to 1.5
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 2.0
0 to 0.25
Sulfur (S), % 0 to 0.040
0.1 to 0.65
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.7