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AISI 205 Stainless Steel vs. S21460 Stainless Steel

Both AISI 205 stainless steel and S21460 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is S21460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 51
46
Fatigue Strength, MPa 410 to 640
390
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 560 to 850
580
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
830
Tensile Strength: Yield (Proof), MPa 450 to 1100
430

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 880
920
Melting Completion (Liquidus), °C 1380
1380
Melting Onset (Solidus), °C 1340
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
18

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.6
7.6
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 37
43
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 23
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
320
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29 to 52
30
Strength to Weight: Bending, points 25 to 37
26
Thermal Shock Resistance, points 16 to 29
17

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.12
Chromium (Cr), % 16.5 to 18.5
17 to 19
Iron (Fe), % 62.6 to 68.1
57.3 to 63.7
Manganese (Mn), % 14 to 15.5
14 to 16
Nickel (Ni), % 1.0 to 1.7
5.0 to 6.0
Nitrogen (N), % 0.32 to 0.4
0.35 to 0.5
Phosphorus (P), % 0 to 0.060
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030