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AISI 316L Stainless Steel vs. Nickel 685

AISI 316L stainless steel belongs to the iron alloys classification, while nickel 685 belongs to the nickel alloys. They have a modest 33% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 316L stainless steel and the bottom bar is nickel 685.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 350
350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0 to 50
17
Fatigue Strength, MPa 170 to 450
470
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
77
Shear Strength, MPa 370 to 690
770
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
1250
Tensile Strength: Yield (Proof), MPa 190 to 870
850

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 870
1000
Melting Completion (Liquidus), °C 1400
1380
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
75
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 3.9
10
Embodied Energy, MJ/kg 53
140
Embodied Water, L/kg 150
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
190
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
1820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19 to 41
42
Strength to Weight: Bending, points 18 to 31
31
Thermal Diffusivity, mm2/s 4.1
3.3
Thermal Shock Resistance, points 12 to 25
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.030
0.030 to 0.1
Chromium (Cr), % 16 to 18
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62 to 72
0 to 2.0
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
3.5 to 5.0
Nickel (Ni), % 10 to 14
49.6 to 62.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
2.8 to 3.3
Zinc (Zn), % 0
0.020 to 0.12