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S35115 Stainless Steel vs. N08320 Stainless Steel

Both S35115 stainless steel and N08320 stainless steel are iron alloys. They have 89% of their average alloy composition in common.

For each property being compared, the top bar is S35115 stainless steel and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
40
Fatigue Strength, MPa 280
190
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 86
84
Shear Modulus, GPa 79
78
Shear Strength, MPa 470
400
Tensile Strength: Ultimate (UTS), MPa 670
580
Tensile Strength: Yield (Proof), MPa 310
220

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 26
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.8
4.9
Embodied Energy, MJ/kg 67
69
Embodied Water, L/kg 190
200

Common Calculations

PREN (Pitting Resistance) 35
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
180
Resilience: Unit (Modulus of Resilience), kJ/m3 240
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.9
3.3
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 23 to 25
21 to 23
Iron (Fe), % 47.6 to 55.8
40.4 to 50
Manganese (Mn), % 0 to 1.0
0 to 2.5
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 19 to 22
25 to 27
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0.5 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030