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ACI-ASTM CA15M Steel vs. C68400 Brass

ACI-ASTM CA15M steel belongs to the iron alloys classification, while C68400 brass belongs to the copper alloys. There are 29 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 CA15M steel and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150
Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 20
18
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 76
41
Tensile Strength: Ultimate (UTS), MPa 690
540
Tensile Strength: Yield (Proof), MPa 510
310

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 760
130
Melting Completion (Liquidus), °C 1450
840
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 27
66
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
87
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
99

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
2.7
Embodied Energy, MJ/kg 29
47
Embodied Water, L/kg 100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
81
Resilience: Unit (Modulus of Resilience), kJ/m3 670
460
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 7.2
21
Thermal Shock Resistance, points 25
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
59 to 64
Iron (Fe), % 82.1 to 88.4
0 to 1.0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.0
0.2 to 1.5
Molybdenum (Mo), % 0.15 to 1.0
0
Nickel (Ni), % 0 to 1.0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0.030 to 0.3
Silicon (Si), % 0 to 0.65
1.5 to 2.5
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
28.6 to 39.3
Residuals, % 0
0 to 0.5