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ACI-ASTM CF3M Steel vs. C85700 Brass

ACI-ASTM CF3M 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 (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF3M steel and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 55
17
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 520
310
Tensile Strength: Yield (Proof), MPa 260
110

Thermal Properties

Latent Heat of Fusion, J/g 300
170
Maximum Temperature: Mechanical, °C 990
120
Melting Completion (Liquidus), °C 1440
940
Melting Onset (Solidus), °C 1430
910
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 16
84
Thermal Expansion, µm/m-K 15
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
22
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
25

Otherwise Unclassified Properties

Base Metal Price, % relative 19
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.8
2.8
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 160
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
41
Resilience: Unit (Modulus of Resilience), kJ/m3 170
59
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 18
11
Strength to Weight: Bending, points 18
13
Thermal Diffusivity, mm2/s 4.3
27
Thermal Shock Resistance, points 12
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 17 to 21
0
Copper (Cu), % 0
58 to 64
Iron (Fe), % 59.9 to 72
0 to 0.7
Lead (Pb), % 0
0.8 to 1.5
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 9.0 to 13
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