Materion ULTRA 76 Plus Tantalum Alloy

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Materion ULTRA 76 Plus Tantalum Alloy
Categories:	Metal; Nonferrous Metal; Refractory Metal
Material Notes:	ULTRA 76 Plus tantalum alloy (Ta-2.5%W-0.15Ru) offers higher strength and superior corrosion resistance compared to standard NRC® 76 (Ta-2.5%W). ULTRA 76 Plus provides minimized hydrogen embrittlement rates – up to 100 times lower in hydrochloric acid, and up to 10 times lower in sulfuric acid. It therefore eliminates the need for a separate “platinum spot welding” application step to protect against hydrogen embrittlement. With comparable properties to those of conventional tantalum alloys, ULTRA 76 Plus can be easily adopted to the same processing and fabrication techniques. Benefits Improved corrosion resistance Minimized hydrogen embrittlement rates High strength Longer equipment life Ability to stand up to increased operating temperatures Less operating downtime Applications Bayonet heaters - single and multi-tube types Heat exchangers, condensers and coils Thermocouple protection sheaths Pumps, bodies or cases, shafts and impellers Paddle stirrers and agitators Distillation columns and boilers Tantalum clad dip pipes, heaters and chemical plant equipment Crucibles in standard and special shapes and sizes Information provided by Materion.
Vendors:

Available Properties

Density
Hardness, Rockwell B, Annealed
Hardness, Vickers, Annealed
Tensile Strength
Tensile Strength
Tensile Strength
Tensile Strength
Tensile Strength, Ultimate
Tensile Strength, Yield, Typical
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Elongation at Break
Elongation at Break
Elongation at Break
Elongation at Break
Modulus of Elasticity
CTE, linear
Specific Heat Capacity
Thermal Conductivity
Melting Point
Carbon, C, <50 ppm
Hydrogen, H, <10 ppm
Iron, Fe, <50 ppm
Molybdenum, Mo, <200 ppm
Nickel, Ni, <50 ppm
Niobium, Nb (Columbium, Cb)
Nitrogen, N, <50 ppm
Other, 1000 - 2000 ppm Platinum Group Metals
Oxygen, O, <100 ppm
Silicon, Si, <25 ppm
Tantalum, Ta, As Balance
Titanium, Ti, <40 ppm
Tungsten, W

Property Data

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Manufacturer Notes:
Materion Corporation (former Williams Advanced Alloys)

Category Notes
none

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