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AISI 440C Stainless Steel vs. N08800 Stainless Steel

Both AISI 440C stainless steel and N08800 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 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 440C stainless steel and the bottom bar is N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 2.0 to 14
4.5 to 34
Fatigue Strength, MPa 260 to 840
150 to 390
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 430 to 1120
340 to 580
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
500 to 1000
Tensile Strength: Yield (Proof), MPa 450 to 1900
190 to 830

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
490
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 22
12
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
5.3
Embodied Energy, MJ/kg 31
76
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
42 to 160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 71
18 to 35
Strength to Weight: Bending, points 23 to 46
18 to 28
Thermal Diffusivity, mm2/s 6.0
3.0
Thermal Shock Resistance, points 26 to 71
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 1.0 to 1.2
0 to 0.1
Chromium (Cr), % 16 to 18
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 78 to 83.1
39.5 to 50.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
30 to 35
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6

Comparable Variants