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S21900 Stainless Steel vs. EN 1.0501 Steel

Both S21900 stainless steel and EN 1.0501 steel are iron alloys. They have 65% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S21900 stainless steel and the bottom bar is EN 1.0501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
19
Fatigue Strength, MPa 380
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 510
350
Tensile Strength: Ultimate (UTS), MPa 710
560
Tensile Strength: Yield (Proof), MPa 390
280

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
48
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
90
Resilience: Unit (Modulus of Resilience), kJ/m3 380
210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
20
Strength to Weight: Bending, points 23
19
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0 to 0.080
0.32 to 0.39
Chromium (Cr), % 19 to 21.5
0 to 0.4
Iron (Fe), % 59.4 to 67.4
97.4 to 99.18
Manganese (Mn), % 8.0 to 10
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 5.5 to 7.5
0 to 0.4
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.045