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EN 1.6554 Steel vs. S21603 Stainless Steel

Both EN 1.6554 steel and S21603 stainless steel are iron alloys. They have 66% 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 S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 21
45
Fatigue Strength, MPa 380 to 520
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 780 to 930
690
Tensile Strength: Yield (Proof), MPa 550 to 790
390

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
990
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.7
3.6
Embodied Energy, MJ/kg 22
50
Embodied Water, L/kg 53
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
270
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 33
25
Strength to Weight: Bending, points 24 to 27
22
Thermal Shock Resistance, points 23 to 27
15

Alloy Composition

Carbon (C), % 0.23 to 0.28
0 to 0.030
Chromium (Cr), % 0.7 to 0.9
17.5 to 22
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 97.3
57.6 to 67.8
Manganese (Mn), % 0.6 to 0.9
7.5 to 9.0
Molybdenum (Mo), % 0.2 to 0.3
2.0 to 3.0
Nickel (Ni), % 1.0 to 2.0
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0 to 0.030
0