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EN 1.3963 Alloy vs. EN 1.4458 Stainless Steel

Both EN 1.3963 alloy and EN 1.4458 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, 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 1.4458 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 29
34
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 440
510
Tensile Strength: Yield (Proof), MPa 310
190

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 1.6
15

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 4.8
5.4
Embodied Energy, MJ/kg 66
75
Embodied Water, L/kg 110
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260
89
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 15
17
Strength to Weight: Bending, points 16
18
Thermal Shock Resistance, points 110
12

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 0 to 0.25
19 to 22
Copper (Cu), % 0
0 to 2.0
Iron (Fe), % 60.5 to 64.9
40.2 to 53
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 0 to 1.0
2.0 to 2.5
Nickel (Ni), % 35 to 37
26 to 30
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0.1 to 0.2
0 to 0.025