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S31727 Stainless Steel vs. EN 1.5520 Steel

Both S31727 stainless steel and EN 1.5520 steel are iron alloys. They have 58% of their average alloy composition in common. There are 28 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 S31727 stainless steel and the bottom bar is EN 1.5520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
120 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11 to 21
Fatigue Strength, MPa 240
210 to 300
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
62 to 75
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
290 to 340
Tensile Strength: Ultimate (UTS), MPa 630
410 to 1410
Tensile Strength: Yield (Proof), MPa 270
300 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
1.4
Embodied Energy, MJ/kg 64
19
Embodied Water, L/kg 180
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
42 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 190
240 to 600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
15 to 50
Strength to Weight: Bending, points 20
16 to 36
Thermal Shock Resistance, points 14
12 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 17.5 to 19
0 to 0.3
Copper (Cu), % 2.8 to 4.0
0 to 0.25
Iron (Fe), % 53.7 to 61.3
97.7 to 98.9
Manganese (Mn), % 0 to 1.0
0.9 to 1.2
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
0
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025