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S31655 Stainless Steel vs. N08367 Stainless Steel

Both S31655 stainless steel and N08367 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is N08367 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 39
34
Fatigue Strength, MPa 300
280
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
88
Shear Modulus, GPa 78
80
Shear Strength, MPa 490
490
Tensile Strength: Ultimate (UTS), MPa 710
740
Tensile Strength: Yield (Proof), MPa 350
350

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 17
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.3
6.2
Embodied Energy, MJ/kg 46
84
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 27
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
210
Resilience: Unit (Modulus of Resilience), kJ/m3 310
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 16
17

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19.5 to 21.5
20 to 22
Copper (Cu), % 0 to 1.0
0 to 0.75
Iron (Fe), % 63.2 to 71.9
41.4 to 50.3
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 1.5
6.0 to 7.0
Nickel (Ni), % 8.0 to 9.5
23.5 to 25.5
Nitrogen (N), % 0.14 to 0.25
0.18 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030