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ACI-ASTM CA15 Steel vs. C85700 Brass

ACI-ASTM CA15 steel belongs to the iron alloys classification, while C85700 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15 steel and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 21
17
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 700
310
Tensile Strength: Yield (Proof), MPa 570
110

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 750
120
Melting Completion (Liquidus), °C 1440
940
Melting Onset (Solidus), °C 1500
910
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 25
84
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
22
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
25

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.0
2.8
Embodied Energy, MJ/kg 28
47
Embodied Water, L/kg 100
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
41
Resilience: Unit (Modulus of Resilience), kJ/m3 820
59
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25
11
Strength to Weight: Bending, points 23
13
Thermal Diffusivity, mm2/s 6.7
27
Thermal Shock Resistance, points 26
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
58 to 64
Iron (Fe), % 81.8 to 88.5
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.5
0 to 0.050
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 0
32 to 40
Residuals, % 0
0 to 1.3