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EN 1.4373 Stainless Steel vs. EN 1.4563 Stainless Steel

Both EN 1.4373 stainless steel and EN 1.4563 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 60% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4373 stainless steel and the bottom bar is EN 1.4563 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
40
Fatigue Strength, MPa 340
210
Impact Strength: V-Notched Charpy, J 90
91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 530
420
Tensile Strength: Ultimate (UTS), MPa 750
620
Tensile Strength: Yield (Proof), MPa 370
250

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.3
Embodied Energy, MJ/kg 40
87
Embodied Water, L/kg 150
240

Common Calculations

PREN (Pitting Resistance) 20
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
200
Resilience: Unit (Modulus of Resilience), kJ/m3 340
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
21
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 16
13

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 17 to 19
26 to 28
Copper (Cu), % 0
0.7 to 1.5
Iron (Fe), % 63 to 71.5
31.6 to 40.3
Manganese (Mn), % 7.5 to 10.5
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 4.0 to 6.0
30 to 32
Nitrogen (N), % 0.050 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010