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EN 1.4020 Stainless Steel vs. EN 1.4405 Stainless Steel

Both EN 1.4020 stainless steel and EN 1.4405 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, 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 1.4405 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 34
17
Fatigue Strength, MPa 340 to 540
370
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
860
Tensile Strength: Yield (Proof), MPa 430 to 950
610

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 890
870
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.8
Embodied Energy, MJ/kg 37
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 23
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
130
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
950
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
31
Strength to Weight: Bending, points 25 to 32
26
Thermal Shock Resistance, points 16 to 23
29

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.060
Chromium (Cr), % 16.5 to 19
15 to 17
Iron (Fe), % 62.8 to 71.8
73.6 to 80.3
Manganese (Mn), % 11 to 14
0 to 1.0
Molybdenum (Mo), % 0
0.7 to 1.5
Nickel (Ni), % 0.5 to 2.5
4.0 to 6.0
Nitrogen (N), % 0.2 to 0.45
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.025