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AISI 205 Stainless Steel vs. S31727 Stainless Steel

Both AISI 205 stainless steel and S31727 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 51
40
Fatigue Strength, MPa 410 to 640
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 560 to 850
430
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
630
Tensile Strength: Yield (Proof), MPa 450 to 1100
270

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 880
1010
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.6
4.7
Embodied Energy, MJ/kg 37
64
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
200
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 29 to 52
22
Strength to Weight: Bending, points 25 to 37
20
Thermal Shock Resistance, points 16 to 29
14

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
17.5 to 19
Copper (Cu), % 0
2.8 to 4.0
Iron (Fe), % 62.6 to 68.1
53.7 to 61.3
Manganese (Mn), % 14 to 15.5
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 1.0 to 1.7
14.5 to 16.5
Nitrogen (N), % 0.32 to 0.4
0.15 to 0.21
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030