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EN 1.3558 Steel vs. ASTM B780 Alloy

EN 1.3558 steel belongs to the iron alloys classification, while ASTM B780 alloy belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is EN 1.3558 steel and the bottom bar is ASTM B780 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
83
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 80
30
Tensile Strength: Ultimate (UTS), MPa 770
330 to 590

Thermal Properties

Latent Heat of Fusion, J/g 240
140
Specific Heat Capacity, J/kg-K 410
270
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
70 to 76
Electrical Conductivity: Equal Weight (Specific), % IACS 12
62 to 68

Otherwise Unclassified Properties

Density, g/cm3 9.3
10

Common Calculations

Stiffness to Weight: Axial, points 12
4.5
Stiffness to Weight: Bending, points 21
14
Strength to Weight: Axial, points 23
9.1 to 16
Strength to Weight: Bending, points 20
11 to 15
Thermal Shock Resistance, points 22
16 to 29

Alloy Composition

Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0.7 to 0.8
0
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
23.5 to 25.7
Iron (Fe), % 73.7 to 77.6
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 0.4
0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
0.35 to 0.65
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
74 to 76
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0
Zinc (Zn), % 0
0 to 0.060