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EN 1.3961 Alloy vs. EN 1.6580 Steel

Both EN 1.3961 alloy and EN 1.6580 steel are iron alloys. They have 66% of their average alloy composition in common. There are 24 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 1.3961 alloy and the bottom bar is EN 1.6580 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 31
11 to 19
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 300
450 to 700
Tensile Strength: Ultimate (UTS), MPa 450
720 to 1170
Tensile Strength: Yield (Proof), MPa 310
460 to 990

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
4.3
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.8
1.8
Embodied Energy, MJ/kg 66
23
Embodied Water, L/kg 110
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
560 to 2590
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
26 to 41
Strength to Weight: Bending, points 16
23 to 31
Thermal Shock Resistance, points 130
21 to 34

Alloy Composition

Carbon (C), % 0 to 0.050
0.26 to 0.34
Chromium (Cr), % 0 to 0.25
1.8 to 2.2
Iron (Fe), % 60.7 to 65
93.7 to 95.5
Manganese (Mn), % 0 to 0.5
0.3 to 0.6
Molybdenum (Mo), % 0 to 1.0
0.3 to 0.5
Nickel (Ni), % 35 to 37
1.8 to 2.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035