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AISI 317 Stainless Steel vs. N08925 Stainless Steel

Both AISI 317 stainless steel and N08925 stainless steel are iron alloys. They have 83% 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 N08925 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 35 to 55
45
Fatigue Strength, MPa 250 to 330
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
80
Shear Strength, MPa 420 to 470
470
Tensile Strength: Ultimate (UTS), MPa 580 to 710
680
Tensile Strength: Yield (Proof), MPa 250 to 420
340

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 590
1100
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
33
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.3
6.2
Embodied Energy, MJ/kg 59
84
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 31
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
250
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 25
23
Strength to Weight: Bending, points 20 to 22
21
Thermal Diffusivity, mm2/s 4.1
3.5
Thermal Shock Resistance, points 12 to 15
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 18 to 20
19 to 21
Copper (Cu), % 0
0.8 to 1.5
Iron (Fe), % 58 to 68
42.7 to 50.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
6.0 to 7.0
Nickel (Ni), % 11 to 15
24 to 26
Nitrogen (N), % 0 to 0.1
0.1 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030