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AWS A5.21/A5.21M

5th Edition, January 1, 2011

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Specification for Bare Electrodes and Rods for Surfacing

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Product Details:

  • Revision: 5th Edition, January 1, 2011
  • Published Date: January 2011
  • Status: Active, Most Current
  • Document Language: English
  • Published By: American Welding Society, Inc. (AWS)
  • Page Count: 42
  • ANSI Approved: Yes
  • DoD Adopted: No

Description / Abstract:

This specification prescribes the requirements for the classification of bare electrodes and rods for surfacing. The specification does not provide for classification of electrode-flux combinations for submerged arc welding.

Safety and health issues and concerns are beyond the scope of this standard and, therefore, are not fully addressed herein. Some safety and health information can be found in the nonmandatory annex Clauses A5 and A10. Safety and health information is available from other sources, including, but not limited to, ANSI Z49.1, Safety in Welding, Cutting, and Allied Processes,1 and applicable federal and state regulations.

This specification makes use of both U.S. Customary Units and the International System of Units (SI). The measurements are not exact equivalents; therefore, each system must be used independently of the other without combining in any way when referring to material. The specification with the designation A5.21 uses U.S. Customary Units. The specification A5.21M uses SI Units. The latter are shown within brackets [ ] or in appropriate columns in tables and figures. Standard dimensions based on either system may be used for sizing of filler metal or packaging or both under A5.21 or A5.21M specifications.

1 ANSI Z49.1 is published by American Welding Society, 550 N.W. LeJeune Road, Miami, FL 33126.
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