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N08330 Stainless Steel vs. AISI 446 Stainless Steel

Both N08330 stainless steel and AISI 446 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 63% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is N08330 stainless steel and the bottom bar is AISI 446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
23
Fatigue Strength, MPa 190
200
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 80
84
Shear Modulus, GPa 76
79
Shear Strength, MPa 360
360
Tensile Strength: Ultimate (UTS), MPa 550
570
Tensile Strength: Yield (Proof), MPa 230
300

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1050
1180
Melting Completion (Liquidus), °C 1390
1510
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 32
12
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.4
Embodied Energy, MJ/kg 77
35
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 19
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 3.1
4.6
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.2
Chromium (Cr), % 17 to 20
23 to 27
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 38.3 to 48.3
69.2 to 77
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0 to 2.0
0 to 1.5
Nickel (Ni), % 34 to 37
0 to 0.75
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.75 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0 to 0.025
0