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EN 1.3520 Steel vs. ASTM B685 Alloy

EN 1.3520 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3520 steel and the bottom bar is ASTM B685 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.37
Shear Modulus, GPa 72
43
Tensile Strength: Ultimate (UTS), MPa 620 to 730
660 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Melting Completion (Liquidus), °C 1440
1230
Melting Onset (Solidus), °C 1400
1200
Specific Heat Capacity, J/kg-K 480
300
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
5.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
4.1

Otherwise Unclassified Properties

Density, g/cm3 7.8
11

Common Calculations

Stiffness to Weight: Axial, points 13
6.1
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 22 to 26
17 to 27
Strength to Weight: Bending, points 21 to 23
16 to 21
Thermal Shock Resistance, points 18 to 22
28 to 46

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0.93 to 1.1
0
Chromium (Cr), % 1.4 to 1.7
0
Copper (Cu), % 0 to 0.3
39.5 to 40.5
Iron (Fe), % 95.9 to 97.2
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 1.0 to 1.2
0
Molybdenum (Mo), % 0 to 0.1
0
Oxygen (O), % 0 to 0.0015
0
Palladium (Pd), % 0
59 to 60.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.45 to 0.75
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0
0 to 0.2