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AISI 205 Stainless Steel vs. S31655 Stainless Steel

Both AISI 205 stainless steel and S31655 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is S31655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 440
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 51
39
Fatigue Strength, MPa 410 to 640
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 560 to 850
490
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
710
Tensile Strength: Yield (Proof), MPa 450 to 1100
350

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 880
1010
Melting Completion (Liquidus), °C 1380
1430
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
17
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.3
Embodied Energy, MJ/kg 37
46
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 23
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
230
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 29 to 52
25
Strength to Weight: Bending, points 25 to 37
23
Thermal Shock Resistance, points 16 to 29
16

Alloy Composition

Carbon (C), % 0.12 to 0.25
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 62.6 to 68.1
63.2 to 71.9
Manganese (Mn), % 14 to 15.5
0 to 2.0
Molybdenum (Mo), % 0
0.5 to 1.5
Nickel (Ni), % 1.0 to 1.7
8.0 to 9.5
Nitrogen (N), % 0.32 to 0.4
0.14 to 0.25
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015