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ASTM B780 Alloy vs. EN 1.7376 Steel

ASTM B780 alloy belongs to the otherwise unclassified metals classification, while EN 1.7376 steel belongs to the iron alloys. There are 16 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 B780 alloy and the bottom bar is EN 1.7376 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Elongation at Break, % 1.1 to 9.1
20
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 30
75
Tensile Strength: Ultimate (UTS), MPa 330 to 590
710

Thermal Properties

Latent Heat of Fusion, J/g 140
270
Specific Heat Capacity, J/kg-K 270
470
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 70 to 76
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 62 to 68
11

Otherwise Unclassified Properties

Density, g/cm3 10
7.8

Common Calculations

Stiffness to Weight: Axial, points 4.5
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 9.1 to 16
25
Strength to Weight: Bending, points 11 to 15
23
Thermal Shock Resistance, points 16 to 29
20

Alloy Composition

Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.12 to 0.19
Chromium (Cr), % 0
8.0 to 10
Copper (Cu), % 23.5 to 25.7
0 to 0.3
Iron (Fe), % 0 to 0.050
86.2 to 90.6
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0.35 to 0.65
Molybdenum (Mo), % 0
0.9 to 1.2
Nickel (Ni), % 0.35 to 0.65
0 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 74 to 76
0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.050
Zinc (Zn), % 0 to 0.060
0