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EN 1.4563 Stainless Steel vs. EN 1.4490 Stainless Steel

Both EN 1.4563 stainless steel and EN 1.4490 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 69% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4563 stainless steel and the bottom bar is EN 1.4490 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
34
Fatigue Strength, MPa 210
210
Impact Strength: V-Notched Charpy, J 91
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 620
560
Tensile Strength: Yield (Proof), MPa 250
260

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.3
3.7
Embodied Energy, MJ/kg 87
52
Embodied Water, L/kg 240
150

Common Calculations

PREN (Pitting Resistance) 39
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
160
Resilience: Unit (Modulus of Resilience), kJ/m3 150
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 3.2
4.1
Thermal Shock Resistance, points 13
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 26 to 28
18 to 20
Copper (Cu), % 0.7 to 1.5
0
Iron (Fe), % 31.6 to 40.3
61.7 to 70.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
2.0 to 2.5
Nickel (Ni), % 30 to 32
9.0 to 12
Nitrogen (N), % 0 to 0.1
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.030