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EN 1.4020 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4020 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 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 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 13 to 34
22 to 23
Fatigue Strength, MPa 340 to 540
420 to 490
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 510 to 680
550 to 580
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
880 to 930
Tensile Strength: Yield (Proof), MPa 430 to 950
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 1390
1430
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
20
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.5
3.7
Embodied Energy, MJ/kg 37
52
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 23
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
31 to 33
Strength to Weight: Bending, points 25 to 32
26 to 27
Thermal Shock Resistance, points 16 to 23
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 16.5 to 19
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 62.8 to 71.8
56.6 to 63.6
Manganese (Mn), % 11 to 14
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 0.5 to 2.5
5.8 to 7.5
Nitrogen (N), % 0.2 to 0.45
0.3 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015