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EN 1.4020 Stainless Steel vs. EN 1.4568 Stainless Steel

Both EN 1.4020 stainless steel and EN 1.4568 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4020 stainless steel and the bottom bar is EN 1.4568 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 34
2.3 to 21
Fatigue Strength, MPa 340 to 540
220 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 510 to 680
520 to 930
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
830 to 1620
Tensile Strength: Yield (Proof), MPa 430 to 950
330 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 890
890
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.8
Embodied Energy, MJ/kg 37
40
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 23
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
36 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
290 to 5710
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
30 to 58
Strength to Weight: Bending, points 25 to 32
25 to 40
Thermal Shock Resistance, points 16 to 23
23 to 46

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.5
Carbon (C), % 0 to 0.15
0 to 0.090
Chromium (Cr), % 16.5 to 19
16 to 18
Iron (Fe), % 62.8 to 71.8
70.9 to 76.8
Manganese (Mn), % 11 to 14
0 to 1.0
Nickel (Ni), % 0.5 to 2.5
6.5 to 7.8
Nitrogen (N), % 0.2 to 0.45
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015

Comparable Variants