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EN 1.3963 Alloy vs. EN 1.4931 Steel

Both EN 1.3963 alloy and EN 1.4931 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 64% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3963 alloy and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 29
17
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 440
810
Tensile Strength: Yield (Proof), MPa 310
620

Thermal Properties

Latent Heat of Fusion, J/g 270
270
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 1.6
14

Otherwise Unclassified Properties

Base Metal Price, % relative 25
8.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.9
Embodied Energy, MJ/kg 66
42
Embodied Water, L/kg 110
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 260
970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
29
Strength to Weight: Bending, points 16
25
Thermal Shock Resistance, points 110
22

Alloy Composition

Carbon (C), % 0 to 0.050
0.2 to 0.26
Chromium (Cr), % 0 to 0.25
11.3 to 12.2
Iron (Fe), % 60.5 to 64.9
83.2 to 86.8
Manganese (Mn), % 0 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 0 to 1.0
1.0 to 1.2
Nickel (Ni), % 35 to 37
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0.1 to 0.2
0 to 0.020
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 0
0.25 to 0.35