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ASTM B685 Alloy vs. EN 1.7386 Steel

ASTM B685 alloy belongs to the otherwise unclassified metals classification, while EN 1.7386 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ASTM B685 alloy and the bottom bar is EN 1.7386 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
75
Tensile Strength: Ultimate (UTS), MPa 660 to 1060
550 to 670

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Melting Completion (Liquidus), °C 1230
1450
Melting Onset (Solidus), °C 1200
1410
Specific Heat Capacity, J/kg-K 300
480
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 5.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
10

Otherwise Unclassified Properties

Density, g/cm3 11
7.8

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
20 to 24
Strength to Weight: Bending, points 16 to 21
19 to 22
Thermal Shock Resistance, points 28 to 46
15 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.040
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.080 to 0.15
Chromium (Cr), % 0
8.0 to 10
Copper (Cu), % 39.5 to 40.5
0 to 0.3
Iron (Fe), % 0 to 0.050
86.8 to 90.5
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Palladium (Pd), % 59 to 60.5
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.25 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.2
0

Comparable Variants