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EN 1.4005 Stainless Steel vs. EN 1.4020 Stainless Steel

Both EN 1.4005 stainless steel and EN 1.4020 stainless steel are iron alloys. They have 82% 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 1.4005 stainless steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 21
13 to 34
Fatigue Strength, MPa 240 to 290
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 390 to 450
510 to 680
Tensile Strength: Ultimate (UTS), MPa 630 to 750
770 to 1130
Tensile Strength: Yield (Proof), MPa 370 to 500
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
890
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
11
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 2.0
2.5
Embodied Energy, MJ/kg 28
37
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 14
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
28 to 41
Strength to Weight: Bending, points 21 to 24
25 to 32
Thermal Shock Resistance, points 23 to 27
16 to 23

Alloy Composition

Carbon (C), % 0.060 to 0.15
0 to 0.15
Chromium (Cr), % 12 to 14
16.5 to 19
Iron (Fe), % 82.4 to 87.8
62.8 to 71.8
Manganese (Mn), % 0 to 1.5
11 to 14
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
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 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.030