MakeItFrom.com
Menu (ESC)

AISI 418 Stainless Steel vs. N08320 Stainless Steel

Both AISI 418 stainless steel and N08320 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 33 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 AISI 418 stainless steel and the bottom bar is N08320 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
40
Fatigue Strength, MPa 520
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 680
400
Tensile Strength: Ultimate (UTS), MPa 1100
580
Tensile Strength: Yield (Proof), MPa 850
220

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
430
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1500
1400
Melting Onset (Solidus), °C 1460
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
28
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.9
4.9
Embodied Energy, MJ/kg 41
69
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 19
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 38
20
Strength to Weight: Bending, points 29
20
Thermal Diffusivity, mm2/s 6.7
3.3
Thermal Shock Resistance, points 40
13

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.050
Chromium (Cr), % 12 to 14
21 to 23
Iron (Fe), % 78.5 to 83.6
40.4 to 50
Manganese (Mn), % 0 to 0.5
0 to 2.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
25 to 27
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0