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AL 716

AL 716 TECHNICAL DATA

USES

AL 716 is a general purpose brazing filler metal used to join aluminum and aluminum alloys. When joining dissimilar metals thought should be given to the galvanic potential between the metals to avoid galvanic corrosion problems. 

BRAZING CHARACTERISTICS

AL 716 corrosion resistance is satisfactory but somewhat lower than that of AL 718. To maintain joint integrity on heat treatable Al alloys, the solution temperature must be below the solidus of the filler metal. To prevent liquidation, it is recommended that the parts be heated rapidly through the solidus-liquidus temperature range.  

PROPERTIES OF BRAZED JOINTS

The properties of a brazed joint are dependent upon numerous factors including base metal properties, joint design, metallurgical interaction between the base metal and the filler metal. Joint clearances of 0.003-0.005 in. (.076-.127mm) per side are optimum for achieving highest joint strength. Joints with increased clearances can still produce adequate joint strengths depending on final operating conditions.

SPECIFICATIONS

AL 716 alloy conforms to: Aluminum Association (AA) 4145, American Welding Society (AWS) A5.8/A5.8M BAlSi-3, Aerospace Material Specifications (AMS) 4184

AVAILABLE FORMS

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

Compare With

  • AMS: 4184
  • AWS: BAlSi-3
  • JM: Alu-flo MT
  • Lucas: AL 716
  • UNS: A94145

Specifications

  • Brazing Temperature Range High: 1120 F / 604 C
  • Brazing Temperature Range Low: 1060 F / 571 C
  • Density: 0.098 g/cm³
  • Liquidus: 1085 F / 585 C
  • Solidus: 970 F / 521 C

Composition

 

  • Al: 85.65%
  • Si: 10%
  • Cu: 4%
  • Zn: 0.2%
  • Mn: 0.15%

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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