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ASTM B685 Alloy vs. SAE-AISI D3 Steel

ASTM B685 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI D3 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM B685 alloy and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 43
74
Tensile Strength: Ultimate (UTS), MPa 660 to 1060
770 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Melting Completion (Liquidus), °C 1230
1430
Melting Onset (Solidus), °C 1200
1390
Specific Heat Capacity, J/kg-K 300
480
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
3.5

Otherwise Unclassified Properties

Density, g/cm3 11
7.7

Common Calculations

Stiffness to Weight: Axial, points 6.1
14
Stiffness to Weight: Bending, points 15
25
Strength to Weight: Axial, points 17 to 27
28 to 74
Strength to Weight: Bending, points 16 to 21
24 to 47
Thermal Shock Resistance, points 28 to 46
23 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
2.0 to 2.4
Chromium (Cr), % 0
11 to 13.5
Copper (Cu), % 39.5 to 40.5
0 to 0.25
Iron (Fe), % 0 to 0.050
80.3 to 87
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 0.6
Nickel (Ni), % 0
0 to 0.3
Palladium (Pd), % 59 to 60.5
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.2
0

Comparable Variants