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AISI 439 Stainless Steel vs. S34565 Stainless Steel

Both AISI 439 stainless steel and S34565 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 67% of their average alloy composition in common. There are 35 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 439 stainless steel and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
39
Fatigue Strength, MPa 170
400
Poisson's Ratio 0.28
0.28
Reduction in Area, % 51
45
Rockwell B Hardness 78
88
Shear Modulus, GPa 77
80
Shear Strength, MPa 310
610
Tensile Strength: Ultimate (UTS), MPa 490
900
Tensile Strength: Yield (Proof), MPa 250
470

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 530
450
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1510
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
28
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.3
5.3
Embodied Energy, MJ/kg 34
73
Embodied Water, L/kg 120
210

Common Calculations

PREN (Pitting Resistance) 18
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
300
Resilience: Unit (Modulus of Resilience), kJ/m3 160
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 19
23 to 25
Iron (Fe), % 77.1 to 82.8
43.2 to 51.6
Manganese (Mn), % 0 to 1.0
5.0 to 7.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0 to 0.5
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.030
0.4 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0.2 to 1.1
0