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SAE-AISI A6 Steel vs. N08800 Stainless Steel

Both SAE-AISI A6 steel and N08800 stainless steel are iron alloys. They have 47% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A6 steel and the bottom bar is N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 750 to 1990
500 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
12
Thermal Expansion, µm/m-K 12
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.8
5.3
Embodied Energy, MJ/kg 24
76
Embodied Water, L/kg 57
200

Common Calculations

PREN (Pitting Resistance) 4.8
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 71
18 to 35
Strength to Weight: Bending, points 23 to 45
18 to 28
Thermal Diffusivity, mm2/s 11
3.0
Thermal Shock Resistance, points 25 to 65
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.65 to 0.75
0 to 0.1
Chromium (Cr), % 0.9 to 1.2
19 to 23
Copper (Cu), % 0 to 0.25
0 to 0.75
Iron (Fe), % 93 to 95.8
39.5 to 50.7
Manganese (Mn), % 1.8 to 2.5
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
30 to 35
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6

Comparable Variants