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AISI 309Cb Stainless Steel vs. Nickel 689

AISI 309Cb stainless steel belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. They have a modest 36% 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 (7, in this case) are not shown.

For each property being compared, the top bar is AISI 309Cb stainless steel and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
350
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 39
23
Fatigue Strength, MPa 200
420
Poisson's Ratio 0.28
0.29
Reduction in Area, % 46
21
Shear Modulus, GPa 78
80
Shear Strength, MPa 390
790
Tensile Strength: Ultimate (UTS), MPa 580
1250
Tensile Strength: Yield (Proof), MPa 230
690

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1090
990
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
70
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 4.1
11
Embodied Energy, MJ/kg 59
150
Embodied Water, L/kg 170
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 20
41
Strength to Weight: Bending, points 20
30
Thermal Shock Resistance, points 13
35

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.080
0.1 to 0.2
Chromium (Cr), % 22 to 24
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 56 to 66
0 to 5.0
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 12 to 16
48.3 to 60.9
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8