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SAE-AISI D3 Steel vs. C69430 Brass

SAE-AISI D3 steel belongs to the iron alloys classification, while C69430 brass belongs to the copper alloys. There are 27 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 SAE-AISI D3 steel and the bottom bar is C69430 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 9.8 to 15
17
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 74
42
Shear Strength, MPa 470 to 1220
350
Tensile Strength: Ultimate (UTS), MPa 770 to 2050
570
Tensile Strength: Yield (Proof), MPa 480 to 1550
280

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1430
920
Melting Onset (Solidus), °C 1390
820
Specific Heat Capacity, J/kg-K 480
410
Thermal Conductivity, W/m-K 31
26
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
27
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.2
2.7
Embodied Energy, MJ/kg 48
44
Embodied Water, L/kg 100
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 97 to 180
80
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 28 to 74
19
Strength to Weight: Bending, points 24 to 47
18
Thermal Diffusivity, mm2/s 8.3
7.7
Thermal Shock Resistance, points 23 to 63
20

Alloy Composition

Arsenic (As), % 0
0.030 to 0.060
Carbon (C), % 2.0 to 2.4
0
Chromium (Cr), % 11 to 13.5
0
Copper (Cu), % 0 to 0.25
80 to 83
Iron (Fe), % 80.3 to 87
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 0.6
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 1.0
0
Zinc (Zn), % 0
11.4 to 16.5
Residuals, % 0
0 to 0.5