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EN 1.5502 Steel vs. S31277 Stainless Steel

Both EN 1.5502 steel and S31277 stainless 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 EN 1.5502 steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12 to 20
45
Fatigue Strength, MPa 190 to 290
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 280 to 330
600
Tensile Strength: Ultimate (UTS), MPa 400 to 1380
860
Tensile Strength: Yield (Proof), MPa 270 to 440
410

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.7
Embodied Energy, MJ/kg 19
90
Embodied Water, L/kg 47
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 210
320
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 520
410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 49
29
Strength to Weight: Bending, points 15 to 35
25
Thermal Shock Resistance, points 12 to 40
19

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.15 to 0.2
0 to 0.020
Chromium (Cr), % 0 to 0.3
20.5 to 23
Copper (Cu), % 0 to 0.25
0.5 to 1.5
Iron (Fe), % 98 to 99.249
35.5 to 46.2
Manganese (Mn), % 0.6 to 0.9
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010