Refractory Alloys Columbium 1% Zirconium is stocked by 2 North American distributors and produced by 2 large mills. Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required
This material is stocked primarily in Bar Products by 1 distributors but is also available to a lesser extent in Flat Rolled Products, Tubular Products, and Wire Products.
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Specifications
The following specifications cover Refractory Alloys Columbium 1% Zirconium
No Specifications.
Property Results
Related Metals:
Chemistry Data : [top]
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MSO currently has no data available for this grade.
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Principal Design Features
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This alloy of columbium (niobium) is 98.5% columbium with additions of zirconium and other elements in minor amounts. The common designation for the alloy is Cb-1Zr. Also called KBI-1
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Applications
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Typical applications are for thermal barriers, containers for liquid metals and nuclear applications. Structural properties are good to 3000 F. However in exposure to air a protective coating is needed at temperatures above 800 F.
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Machinability
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This alloy is readily machined by conventional methods using high speed steel tooling.
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Forming
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The alloy can be formed by standard methods without difficulty.
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Welding
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Welding may be done using electron beam or gas tungsten-arc (GTAW) methods or resistance welding. There is a loss of ductility in the weld.
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Heat Treatment
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Not heat treatable. See "Annealing".
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Forging
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Forging may be done in the range of 1800 to 1200 F.
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Hot Working
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Hot working, such as extrusion, should be done at 1950 F.
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Cold Working
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The alloy may be cold worked with relative ease by conventional methods.
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Annealing
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Anneal at 1850 to 2200 F.
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Tempering
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Not applicable.
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Hardening
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Hardens by cold working.
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Physical Data : [top]
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Density (lb / cu. in.)
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0.31
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Specific Gravity
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8.59
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Specific Heat (Btu/lb/Deg F - [32-212 Deg F])
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0.065
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Melting Point (Deg F)
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4365
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Thermal Conductivity
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24.2
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Mean Coeff Thermal Expansion
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4.19
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Modulus of Elasticity Tension
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10
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Mechanical Data : [top]
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MSO currently has no data available for this grade.
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Videos :
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MSO currently has no videos available for this grade.
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Disclaimer
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