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EN 1.4568 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4568 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 85% 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 1.4568 stainless steel and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 2.3 to 21
22 to 23
Fatigue Strength, MPa 220 to 670
420 to 490
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 520 to 930
550 to 580
Tensile Strength: Ultimate (UTS), MPa 830 to 1620
880 to 930
Tensile Strength: Yield (Proof), MPa 330 to 1490
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 40
52
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 17
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 36 to 140
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 5710
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30 to 58
31 to 33
Strength to Weight: Bending, points 25 to 40
26 to 27
Thermal Diffusivity, mm2/s 4.3
3.5
Thermal Shock Resistance, points 23 to 46
23 to 25

Alloy Composition

Aluminum (Al), % 0.7 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.030
Chromium (Cr), % 16 to 18
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 70.9 to 76.8
56.6 to 63.6
Manganese (Mn), % 0 to 1.0
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 6.5 to 7.8
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015