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AISI 317 Stainless Steel vs. N08020 Stainless Steel

Both AISI 317 stainless steel and N08020 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 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 AISI 317 stainless steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
15 to 34
Fatigue Strength, MPa 250 to 330
210 to 240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 420 to 470
380 to 410
Tensile Strength: Ultimate (UTS), MPa 580 to 710
610 to 620
Tensile Strength: Yield (Proof), MPa 250 to 420
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
490
Maximum Temperature: Mechanical, °C 590
1100
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 21
38
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 4.3
6.6
Embodied Energy, MJ/kg 59
92
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 31
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
180 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 25
21
Strength to Weight: Bending, points 20 to 22
20
Thermal Diffusivity, mm2/s 4.1
3.2
Thermal Shock Resistance, points 12 to 15
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 18 to 20
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 58 to 68
29.9 to 44
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
2.0 to 3.0
Nickel (Ni), % 11 to 15
32 to 38
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.035

Comparable Variants