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AISI 314 Stainless Steel vs. N08031 Stainless Steel

Both AISI 314 stainless steel and N08031 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 79% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 314 stainless steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
45
Fatigue Strength, MPa 210
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 410
510
Tensile Strength: Ultimate (UTS), MPa 590
730
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 490
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 15
18

Otherwise Unclassified Properties

Base Metal Price, % relative 25
39
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 4.3
7.1
Embodied Energy, MJ/kg 62
96
Embodied Water, L/kg 190
240

Common Calculations

PREN (Pitting Resistance) 25
52
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
270
Resilience: Unit (Modulus of Resilience), kJ/m3 130
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 3.9
3.1
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.015
Chromium (Cr), % 23 to 26
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 46.7 to 56.5
29 to 36.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 19 to 22
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 1.5 to 3.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010