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EN 1.4568 Stainless Steel vs. EN 1.4020 Stainless Steel

Both EN 1.4568 stainless steel and EN 1.4020 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 1.4568 stainless steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

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 1420
1390
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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

Comparable Variants