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ASTM B685 Alloy vs. S46910 Stainless Steel

ASTM B685 alloy belongs to the otherwise unclassified metals classification, while S46910 stainless steel belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is ASTM B685 alloy and the bottom bar is S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.37
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 660 to 1060
680 to 2470

Thermal Properties

Latent Heat of Fusion, J/g 180
280
Melting Completion (Liquidus), °C 1230
1460
Melting Onset (Solidus), °C 1200
1420
Specific Heat Capacity, J/kg-K 300
470
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Density, g/cm3 11
7.9

Common Calculations

Stiffness to Weight: Axial, points 6.1
14
Stiffness to Weight: Bending, points 15
24
Strength to Weight: Axial, points 17 to 27
24 to 86
Strength to Weight: Bending, points 16 to 21
22 to 51
Thermal Shock Resistance, points 28 to 46
23 to 84

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0.15 to 0.5
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 39.5 to 40.5
1.5 to 3.5
Iron (Fe), % 0 to 0.050
65 to 76
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
8.0 to 10
Palladium (Pd), % 59 to 60.5
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.7
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.2
0

Comparable Variants