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EN 1.4568 Stainless Steel vs. EN 1.4419 Stainless Steel

Both EN 1.4568 stainless steel and EN 1.4419 stainless steel are iron alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4568 stainless steel and the bottom bar is EN 1.4419 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 2.3 to 21
11 to 17
Fatigue Strength, MPa 220 to 670
230 to 680
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 520 to 930
410 to 950
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
660 to 1590
Tensile Strength: Yield (Proof), MPa 330 to 1490
370 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 890
790
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 40
30
Embodied Water, L/kg 140
110

Common Calculations

PREN (Pitting Resistance) 17
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
95 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
350 to 3920
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30 to 58
24 to 57
Strength to Weight: Bending, points 25 to 40
22 to 39
Thermal Diffusivity, mm2/s 4.3
8.1
Thermal Shock Resistance, points 23 to 46
23 to 55

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0.36 to 0.42
Chromium (Cr), % 16 to 18
13 to 14.5
Iron (Fe), % 70.9 to 76.8
82 to 86
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0.6 to 1.0
Nickel (Ni), % 6.5 to 7.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015