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EN 1.6554 Steel vs. S31727 Stainless Steel

Both EN 1.6554 steel and S31727 stainless 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 EN 1.6554 steel and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
1010
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
24
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.7
4.7
Embodied Energy, MJ/kg 22
64
Embodied Water, L/kg 53
180

Common Calculations

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

Alloy Composition

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