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N08031 Stainless Steel vs. SAE-AISI 1012 Steel

Both N08031 stainless steel and SAE-AISI 1012 steel are iron alloys. They have a modest 33% 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 1012 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
21 to 31
Fatigue Strength, MPa 290
150 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 510
230 to 250
Tensile Strength: Ultimate (UTS), MPa 730
360 to 400
Tensile Strength: Yield (Proof), MPa 310
200 to 330

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
53
Thermal Expansion, µm/m-K 18
12

Otherwise Unclassified Properties

Base Metal Price, % relative 39
1.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 7.1
1.4
Embodied Energy, MJ/kg 96
18
Embodied Water, L/kg 240
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
80 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 230
110 to 300
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
13 to 14
Strength to Weight: Bending, points 22
14 to 15
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 14
11 to 13

Alloy Composition

Carbon (C), % 0 to 0.015
0.1 to 0.15
Chromium (Cr), % 26 to 28
0
Copper (Cu), % 1.0 to 1.4
0
Iron (Fe), % 29 to 36.9
99.16 to 99.6
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
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 to 0.050