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S39277 Stainless Steel vs. N08320 Stainless Steel

Both S39277 stainless steel and N08320 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 33 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 S39277 stainless steel and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
40
Fatigue Strength, MPa 480
190
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 600
400
Tensile Strength: Ultimate (UTS), MPa 930
580
Tensile Strength: Yield (Proof), MPa 660
220

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 23
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 4.2
4.9
Embodied Energy, MJ/kg 59
69
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 43
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 33
20
Strength to Weight: Bending, points 27
20
Thermal Diffusivity, mm2/s 4.2
3.3
Thermal Shock Resistance, points 26
13

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.050
Chromium (Cr), % 24 to 26
21 to 23
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 56.8 to 64.3
40.4 to 50
Manganese (Mn), % 0 to 0.8
0 to 2.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.5 to 8.0
25 to 27
Nitrogen (N), % 0.23 to 0.33
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0020
0 to 0.030
Tungsten (W), % 0.8 to 1.2
0