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EN 1.3963 Alloy vs. EN 1.4423 Stainless Steel

Both EN 1.3963 alloy and EN 1.4423 stainless steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 70% of their average alloy composition in common. There are 24 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 1.3963 alloy and the bottom bar is EN 1.4423 stainless 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
77
Shear Strength, MPa 290
520
Tensile Strength: Ultimate (UTS), MPa 440
850
Tensile Strength: Yield (Proof), MPa 310
630

Thermal Properties

Latent Heat of Fusion, J/g 270
280
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
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
14
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.2
Embodied Energy, MJ/kg 66
43
Embodied Water, L/kg 110
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 15
30
Strength to Weight: Bending, points 16
25
Thermal Shock Resistance, points 110
31

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 0 to 0.25
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 60.5 to 64.9
73.8 to 80.5
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
2.3 to 2.8
Nickel (Ni), % 35 to 37
6.0 to 7.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0.1 to 0.2
0 to 0.0030