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ASTM B780 Alloy vs. EN 1.3961 Alloy

ASTM B780 alloy belongs to the otherwise unclassified metals classification, while EN 1.3961 alloy belongs to the iron alloys. There are 15 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM B780 alloy and the bottom bar is EN 1.3961 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Elongation at Break, % 1.1 to 9.1
31
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 30
72
Shear Strength, MPa 200 to 340
300
Tensile Strength: Ultimate (UTS), MPa 330 to 590
450

Thermal Properties

Latent Heat of Fusion, J/g 140
270
Specific Heat Capacity, J/kg-K 270
460
Thermal Expansion, µm/m-K 18
1.3

Otherwise Unclassified Properties

Density, g/cm3 10
8.2

Common Calculations

Stiffness to Weight: Axial, points 4.5
13
Stiffness to Weight: Bending, points 14
23
Strength to Weight: Axial, points 9.1 to 16
15
Strength to Weight: Bending, points 11 to 15
16
Thermal Shock Resistance, points 16 to 29
130

Alloy Composition

Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
0 to 0.25
Copper (Cu), % 23.5 to 25.7
0
Iron (Fe), % 0 to 0.050
60.7 to 65
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0.35 to 0.65
35 to 37
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 74 to 76
0
Sulfur (S), % 0
0 to 0.020
Zinc (Zn), % 0 to 0.060
0