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AISI 316LN Stainless Steel vs. SAE-AISI 1046 Steel

Both AISI 316LN stainless steel and SAE-AISI 1046 steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 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 AISI 316LN stainless steel and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
14 to 17
Fatigue Strength, MPa 200
240 to 390
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
39 to 50
Shear Modulus, GPa 82
72
Shear Strength, MPa 410
410 to 450
Tensile Strength: Ultimate (UTS), MPa 590
660 to 740
Tensile Strength: Yield (Proof), MPa 230
370 to 610

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 53
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 130
360 to 990
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
23 to 26
Strength to Weight: Bending, points 20
22 to 23
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 13
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0.43 to 0.5
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 62 to 71.9
98.4 to 98.9
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 10 to 14
0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050