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AISI 309H Stainless Steel vs. S32654 Stainless Steel

Both AISI 309H stainless steel and S32654 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 80% of their average alloy composition in common. There are 34 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 309H stainless steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
45
Fatigue Strength, MPa 200
450
Poisson's Ratio 0.27
0.28
Reduction in Area, % 51
46
Shear Modulus, GPa 78
82
Shear Strength, MPa 400
590
Tensile Strength: Ultimate (UTS), MPa 580
850
Tensile Strength: Yield (Proof), MPa 230
490

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 16
15

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.6
6.4
Embodied Energy, MJ/kg 51
87
Embodied Water, L/kg 170
220

Common Calculations

PREN (Pitting Resistance) 23
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
330
Resilience: Unit (Modulus of Resilience), kJ/m3 130
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.020
Chromium (Cr), % 22 to 24
24 to 25
Copper (Cu), % 0
0.3 to 0.6
Iron (Fe), % 58.1 to 66
38.3 to 45.3
Manganese (Mn), % 0 to 2.0
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 12 to 15
21 to 23
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050