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S34565 Stainless Steel vs. AISI 440A Stainless Steel

Both S34565 stainless steel and AISI 440A stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 31 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 S34565 stainless steel and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
5.0 to 20
Fatigue Strength, MPa 400
270 to 790
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 610
450 to 1040
Tensile Strength: Ultimate (UTS), MPa 900
730 to 1790
Tensile Strength: Yield (Proof), MPa 470
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 450
400
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
23
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.3
2.2
Embodied Energy, MJ/kg 73
31
Embodied Water, L/kg 210
120

Common Calculations

PREN (Pitting Resistance) 47
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
87 to 120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
26 to 65
Strength to Weight: Bending, points 26
23 to 43
Thermal Diffusivity, mm2/s 3.2
6.2
Thermal Shock Resistance, points 22
26 to 65

Alloy Composition

Carbon (C), % 0 to 0.030
0.6 to 0.75
Chromium (Cr), % 23 to 25
16 to 18
Iron (Fe), % 43.2 to 51.6
78.4 to 83.4
Manganese (Mn), % 5.0 to 7.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.75
Nickel (Ni), % 16 to 18
0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0.4 to 0.6
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015