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S31727 Stainless Steel vs. EN 1.6554 Steel

Both S31727 stainless steel and EN 1.6554 steel are iron alloys. They have 61% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
230 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
17 to 21
Fatigue Strength, MPa 240
380 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 630
780 to 930
Tensile Strength: Yield (Proof), MPa 270
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
420
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
3.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.7
1.7
Embodied Energy, MJ/kg 64
22
Embodied Water, L/kg 180
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
810 to 1650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
27 to 33
Strength to Weight: Bending, points 20
24 to 27
Thermal Shock Resistance, points 14
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.23 to 0.28
Chromium (Cr), % 17.5 to 19
0.7 to 0.9
Copper (Cu), % 2.8 to 4.0
0 to 0.3
Iron (Fe), % 53.7 to 61.3
94.6 to 97.3
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 3.8 to 4.5
0.2 to 0.3
Nickel (Ni), % 14.5 to 16.5
1.0 to 2.0
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0
0 to 0.030