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EN 1.4020 Stainless Steel vs. S32550 Stainless Steel

Both EN 1.4020 stainless steel and S32550 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, 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 S32550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 34
21
Fatigue Strength, MPa 340 to 540
400
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Shear Strength, MPa 510 to 680
540
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
860
Tensile Strength: Yield (Proof), MPa 430 to 950
620

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1350
1390
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
7.8
Embodied Carbon, kg CO2/kg material 2.5
3.8
Embodied Energy, MJ/kg 37
53
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
160
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
940
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
23

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.040
Chromium (Cr), % 16.5 to 19
24 to 27
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 62.8 to 71.8
57.2 to 67
Manganese (Mn), % 11 to 14
0 to 1.5
Molybdenum (Mo), % 0
2.9 to 3.9
Nickel (Ni), % 0.5 to 2.5
4.5 to 6.5
Nitrogen (N), % 0.2 to 0.45
0.1 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030