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EN 1.3558 Steel vs. ASTM B685 Alloy

EN 1.3558 steel belongs to the iron alloys classification, while ASTM B685 alloy belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (9, 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 B685 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 80
43
Tensile Strength: Ultimate (UTS), MPa 770
660 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 240
180
Melting Completion (Liquidus), °C 1810
1230
Melting Onset (Solidus), °C 1760
1200
Specific Heat Capacity, J/kg-K 410
300
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
4.1

Otherwise Unclassified Properties

Density, g/cm3 9.3
11

Common Calculations

Stiffness to Weight: Axial, points 12
6.1
Stiffness to Weight: Bending, points 21
15
Strength to Weight: Axial, points 23
17 to 27
Strength to Weight: Bending, points 20
16 to 21
Thermal Shock Resistance, points 22
28 to 46

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
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
39.5 to 40.5
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
Palladium (Pd), % 0
59 to 60.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0 to 0.1
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
Residuals, % 0
0 to 0.2