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N08031 Stainless Steel vs. SAE-AISI 1146 Steel

Both N08031 stainless steel and SAE-AISI 1146 steel are iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is N08031 stainless steel and the bottom bar is SAE-AISI 1146 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
13 to 17
Fatigue Strength, MPa 290
240 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 510
410 to 440
Tensile Strength: Ultimate (UTS), MPa 730
670 to 730
Tensile Strength: Yield (Proof), MPa 310
360 to 630

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
1.8
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 7.1
1.4
Embodied Energy, MJ/kg 96
18
Embodied Water, L/kg 240
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 230
340 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
24 to 26
Strength to Weight: Bending, points 22
22 to 23
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 14
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.015
0.42 to 0.49
Chromium (Cr), % 26 to 28
0
Copper (Cu), % 1.0 to 1.4
0
Iron (Fe), % 29 to 36.9
98.3 to 98.8
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.010
0.080 to 0.13