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SAE-AISI D4 Steel vs. C27000 Brass

SAE-AISI D4 steel belongs to the iron alloys classification, while C27000 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D4 steel and the bottom bar is C27000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 74
40
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 270
180
Melting Completion (Liquidus), °C 1430
930
Melting Onset (Solidus), °C 1380
900
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 31
120
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 5.0
30

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
24
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.3
2.7
Embodied Energy, MJ/kg 49
45
Embodied Water, L/kg 100
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 27 to 75
13 to 22
Strength to Weight: Bending, points 24 to 47
14 to 21
Thermal Diffusivity, mm2/s 8.3
37
Thermal Shock Resistance, points 23 to 63
12 to 22

Alloy Composition

Carbon (C), % 2.1 to 2.4
0
Chromium (Cr), % 11 to 13
0
Copper (Cu), % 0 to 0.25
63 to 68.5
Iron (Fe), % 80.6 to 86.3
0 to 0.1
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 0.6
0
Molybdenum (Mo), % 0.7 to 1.2
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 1.0
0
Zinc (Zn), % 0
31 to 37
Residuals, % 0
0 to 0.3