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S31254 Stainless Steel vs. EN 1.6554 Steel

Both S31254 stainless steel and EN 1.6554 steel are iron alloys. They have 57% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31254 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 290
380 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 720
780 to 930
Tensile Strength: Yield (Proof), MPa 330
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 14
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
3.4
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.5
1.7
Embodied Energy, MJ/kg 74
22
Embodied Water, L/kg 190
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 270
810 to 1650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
27 to 33
Strength to Weight: Bending, points 22
24 to 27
Thermal Diffusivity, mm2/s 3.8
11
Thermal Shock Resistance, points 15
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.020
0.23 to 0.28
Chromium (Cr), % 19.5 to 20.5
0.7 to 0.9
Copper (Cu), % 0.5 to 1.0
0 to 0.3
Iron (Fe), % 51.4 to 56.3
94.6 to 97.3
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 6.0 to 6.5
0.2 to 0.3
Nickel (Ni), % 17.5 to 18.5
1.0 to 2.0
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0
0 to 0.030