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AISI 304LN Stainless Steel vs. AISI 314 Stainless Steel

Both AISI 304LN stainless steel and AISI 314 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 33 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 304LN stainless steel and the bottom bar is AISI 314 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 7.8 to 46
45
Fatigue Strength, MPa 200 to 440
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 400 to 680
410
Tensile Strength: Ultimate (UTS), MPa 580 to 1160
590
Tensile Strength: Yield (Proof), MPa 230 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 960
1100
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
25
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.1
4.3
Embodied Energy, MJ/kg 44
62
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 21
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 270
210
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1900
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 41
21
Strength to Weight: Bending, points 20 to 31
20
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 13 to 26
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.25
Chromium (Cr), % 18 to 20
23 to 26
Iron (Fe), % 65 to 73.9
46.7 to 56.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 8.0 to 12
19 to 22
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
1.5 to 3.0
Sulfur (S), % 0 to 0.030
0 to 0.030