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EN 1.3963 Alloy vs. EN 1.4911 Stainless Steel

Both EN 1.3963 alloy and EN 1.4911 stainless steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 65% 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 1.3963 alloy and the bottom bar is EN 1.4911 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 29
11
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 290
640
Tensile Strength: Ultimate (UTS), MPa 440
1070
Tensile Strength: Yield (Proof), MPa 310
970

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.6
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
20
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.4
Embodied Energy, MJ/kg 66
49
Embodied Water, L/kg 110
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 260
2410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
38
Strength to Weight: Bending, points 16
30
Thermal Shock Resistance, points 110
37

Alloy Composition

Boron (B), % 0
0.0050 to 0.015
Carbon (C), % 0 to 0.050
0.050 to 0.12
Chromium (Cr), % 0 to 0.25
9.8 to 11.2
Cobalt (Co), % 0
5.0 to 7.0
Iron (Fe), % 60.5 to 64.9
75.7 to 83.8
Manganese (Mn), % 0 to 0.5
0.3 to 1.3
Molybdenum (Mo), % 0 to 1.0
0.5 to 1.0
Nickel (Ni), % 35 to 37
0.2 to 1.2
Niobium (Nb), % 0
0.2 to 0.5
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0.1 to 0.8
Sulfur (S), % 0.1 to 0.2
0 to 0.015
Tungsten (W), % 0
0 to 0.7
Vanadium (V), % 0
0.1 to 0.4