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N08800 Stainless Steel vs. SAE-AISI 9255 Steel

Both N08800 stainless steel and SAE-AISI 9255 steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is N08800 stainless steel and the bottom bar is SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 4.5 to 34
21
Fatigue Strength, MPa 150 to 390
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 340 to 580
430
Tensile Strength: Ultimate (UTS), MPa 500 to 1000
680
Tensile Strength: Yield (Proof), MPa 190 to 830
390

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.3
1.5
Embodied Energy, MJ/kg 76
20
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 96 to 1740
400
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 35
24
Strength to Weight: Bending, points 18 to 28
22
Thermal Diffusivity, mm2/s 3.0
13
Thermal Shock Resistance, points 13 to 25
21

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.1
0.51 to 0.59
Chromium (Cr), % 19 to 23
0
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 39.5 to 50.7
96.2 to 97
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Nickel (Ni), % 30 to 35
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
1.8 to 2.2
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.15 to 0.6
0