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N08366 Stainless Steel vs. ACI-ASTM CA6N Steel

Both N08366 stainless steel and ACI-ASTM CA6N steel are iron alloys. They have 66% of their average alloy composition in common. There are 31 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 N08366 stainless steel and the bottom bar is ACI-ASTM CA6N steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
17
Fatigue Strength, MPa 190
640
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 590
1080
Tensile Strength: Yield (Proof), MPa 240
1060

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
23
Thermal Expansion, µm/m-K 16
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
11
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
2.5
Embodied Energy, MJ/kg 84
35
Embodied Water, L/kg 200
110

Common Calculations

PREN (Pitting Resistance) 42
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
180
Resilience: Unit (Modulus of Resilience), kJ/m3 150
2900
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
38
Strength to Weight: Bending, points 19
30
Thermal Diffusivity, mm2/s 3.4
6.1
Thermal Shock Resistance, points 13
40

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.060
Chromium (Cr), % 20 to 22
10.5 to 12.5
Iron (Fe), % 42.4 to 50.5
77.9 to 83.5
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
6.0 to 8.0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020