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ASTM B685 Alloy vs. AWS ERNiCr-3

ASTM B685 alloy belongs to the otherwise unclassified metals classification, while AWS ERNiCr-3 belongs to the nickel alloys. There are 15 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM B685 alloy and the bottom bar is AWS ERNiCr-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.37
0.29
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 660 to 1060
630

Thermal Properties

Latent Heat of Fusion, J/g 180
320
Melting Completion (Liquidus), °C 1230
1380
Melting Onset (Solidus), °C 1200
1330
Specific Heat Capacity, J/kg-K 300
460
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Density, g/cm3 11
8.4

Common Calculations

Stiffness to Weight: Axial, points 6.1
13
Stiffness to Weight: Bending, points 15
23
Strength to Weight: Axial, points 17 to 27
21
Strength to Weight: Bending, points 16 to 21
19
Thermal Shock Resistance, points 28 to 46
18

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
18 to 22
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 39.5 to 40.5
0 to 0.5
Iron (Fe), % 0 to 0.050
0 to 3.0
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
2.5 to 3.5
Nickel (Ni), % 0
67 to 77.5
Niobium (Nb), % 0
2.0 to 3.0
Palladium (Pd), % 59 to 60.5
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0 to 0.75
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0
0 to 0.5