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AISI 316LN Stainless Steel vs. SAE-AISI 1078 Steel

Both AISI 316LN stainless steel and SAE-AISI 1078 steel are iron alloys. They have 67% 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 1078 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
11 to 14
Fatigue Strength, MPa 200
270 to 350
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
34 to 45
Shear Modulus, GPa 82
72
Shear Strength, MPa 410
440 to 470
Tensile Strength: Ultimate (UTS), MPa 590
730 to 780
Tensile Strength: Yield (Proof), MPa 230
430 to 570

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
49
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

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
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
77 to 90
Resilience: Unit (Modulus of Resilience), kJ/m3 130
490 to 860
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
26 to 28
Strength to Weight: Bending, points 20
23 to 24
Thermal Diffusivity, mm2/s 4.1
13
Thermal Shock Resistance, points 13
25 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0.72 to 0.85
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 62 to 71.9
98.5 to 99
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
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