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BVAg-0

BVAg-0 Technical Data

Uses

BVAg-0 has a higher level of Ag than commercially pure fine silver, which by definition contains a minimum of 99.9% versus at least 99.95% Ag in BVAg-0. It is widely used in the electrical and electronics industries as contacts and conductors and in the chemical industry as linings for reactors and process/storage vessels, particularly caustic evaporators and crystallizers. BVAg-0 provides strong, ductile joints with good corrosion resistance.

Brazing Characteristics

BVAg-0 is not an alloy – so it has a specific melt temperature, allowing it to easily fill tight joint clearances. It wets to most ferrous and nonferrous metals. It can have a tendency to flash across the base parts if left at braze temperature for too long.

Properties of Brazed Joints

The properties of a brazed joint are dependent upon the base metal, joint design and brazing technique. For controlled atmosphere brazing or vacuum brazing the recommended radial joint clearance for silver base alloys falls within 0.000in – 0.002in (0.00mm – 0.05mm) range.

Specifications

Silverbraze 99.95 conforms to: Unified Numbering System (UNS) P07017 and American Welding Society (AWS) A5.8/A5.8M BVAg-0 Grade 1 and Grade 2.

Available Forms

Wire, strip, engineered preforms and specialty preforms per customer specification, powder and paste.

Compare With

  • AWS: BVAg-0
  • Lucas: Silvaloy 999
  • UNS: P07017

Specifications

  • Brazing Temperature Range High: 1861 F / 1016 C
  • Brazing Temperature Range Low: 1761 F / 961 C
  • Liquidus: 1761 F / 961 C
  • Solidus: 1761 F / 961 C

Composition

 

  • Ag: 99.95%

The information and recommendations contained in this publication have been provided without charge & compiled from sources believed to be reliable and to represent the best information available on the subject at the time of issue. No warranty, guarantee, or representation is made by the Prince and Izant Company, Inc. as to the absolute correctness or sufficiency of any representation contained in this and other publications; Prince and Izant Company, Inc. assumes no responsibility in connection therewith; nor can it be assumed that all acceptable safety measures are contained in this and other publications, or that other or additional measures may not be required under particular or exceptional conditions or circumstances. The company and product names referenced herein are for identification purposes only. All trademarks and registered trademarks are the property of their respective owners.

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