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AISI 439 Stainless Steel vs. N08367 Stainless Steel

Both AISI 439 stainless steel and N08367 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% 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 N08367 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
210
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
34
Fatigue Strength, MPa 170
280
Poisson's Ratio 0.28
0.28
Reduction in Area, % 51
56
Rockwell B Hardness 78
88
Shear Modulus, GPa 77
80
Shear Strength, MPa 310
490
Tensile Strength: Ultimate (UTS), MPa 490
740
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 530
430
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1510
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
33
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.3
6.2
Embodied Energy, MJ/kg 34
84
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 18
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
210
Resilience: Unit (Modulus of Resilience), kJ/m3 160
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 16
17

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 19
20 to 22
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 77.1 to 82.8
41.4 to 50.3
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0 to 0.5
23.5 to 25.5
Nitrogen (N), % 0 to 0.030
0.18 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.2 to 1.1
0