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S31277 Stainless Steel vs. EN 1.5520 Steel

Both S31277 stainless steel and EN 1.5520 steel are iron alloys. They have 42% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is EN 1.5520 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
11 to 21
Fatigue Strength, MPa 380
210 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
290 to 340
Tensile Strength: Ultimate (UTS), MPa 860
410 to 1410
Tensile Strength: Yield (Proof), MPa 410
300 to 480

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.9
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.4
Embodied Energy, MJ/kg 90
19
Embodied Water, L/kg 220
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
42 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 410
240 to 600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
15 to 50
Strength to Weight: Bending, points 25
16 to 36
Thermal Shock Resistance, points 19
12 to 41

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.020
0.15 to 0.2
Chromium (Cr), % 20.5 to 23
0 to 0.3
Copper (Cu), % 0.5 to 1.5
0 to 0.25
Iron (Fe), % 35.5 to 46.2
97.7 to 98.9
Manganese (Mn), % 0 to 3.0
0.9 to 1.2
Molybdenum (Mo), % 6.5 to 8.0
0
Nickel (Ni), % 26 to 28
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025