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S32654 Stainless Steel vs. AISI 314 Stainless Steel

Both S32654 stainless steel and AISI 314 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is S32654 stainless steel and the bottom bar is AISI 314 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 450
210
Poisson's Ratio 0.28
0.28
Reduction in Area, % 46
57
Shear Modulus, GPa 82
78
Shear Strength, MPa 590
410
Tensile Strength: Ultimate (UTS), MPa 850
590
Tensile Strength: Yield (Proof), MPa 490
230

Thermal Properties

Latent Heat of Fusion, J/g 310
330
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 460
490
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 15
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
25
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.4
4.3
Embodied Energy, MJ/kg 87
62
Embodied Water, L/kg 220
190

Common Calculations

PREN (Pitting Resistance) 57
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
210
Resilience: Unit (Modulus of Resilience), kJ/m3 570
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 2.9
3.9
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.25
Chromium (Cr), % 24 to 25
23 to 26
Copper (Cu), % 0.3 to 0.6
0
Iron (Fe), % 38.3 to 45.3
46.7 to 56.5
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 7.0 to 8.0
0
Nickel (Ni), % 21 to 23
19 to 22
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
1.5 to 3.0
Sulfur (S), % 0 to 0.0050
0 to 0.030