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EN 1.4016 Stainless Steel vs. S21800 Stainless Steel

Both EN 1.4016 stainless steel and S21800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 80% of their average alloy composition in common. There are 29 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 EN 1.4016 stainless steel and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
40
Fatigue Strength, MPa 190
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 330
510
Tensile Strength: Ultimate (UTS), MPa 520
740
Tensile Strength: Yield (Proof), MPa 290
390

Thermal Properties

Latent Heat of Fusion, J/g 280
340
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 870
900
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
15
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 2.1
3.1
Embodied Energy, MJ/kg 29
45
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 17
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
250
Resilience: Unit (Modulus of Resilience), kJ/m3 210
390
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
24
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 79.9 to 84
59.1 to 65.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030