tailieunhanh - Standard Symbols for Welding, Brazing and Nondestructive Exmination

As a "language", these symbols are the most precise means for designers and detailers to place welding, brazing, and nondestructive examination information on drawings AND the most mistake-free means for welding personnel to adhere to original plans. | 155Ô D7042bS DSŨHlbl ITS COPYRIGHT 1999 American Welding Society Inc. September 10 1999 06 07 26 Information Handling Services STD. Allis 155fi ũ a42L5 DiDHlbP 031 Key Words Weld symbols welding symbols brazing symbols nondestructive examination symbols ANSI AWS An American National standard Approved by American National Standards Institute November 6 1997 Standard Symbols for Welding Brazing and Nondestructive Examination Supersedes ANSI AWS Prepared by AWS Committee on Definitions and Symbols Under the Direction of AWS Technical Activities Committee Approved by AWS Board of Directors Abstract This standard establishes a method of specifying certain welding brazing and nondestructive examination information by means of symbols. Detailed information and examples are provided for the construction and interpretation of these symbols. This system provides a means of specifying welding or brazing operations and nondestructive examination as well as the examination method frequency and extent. American Welding Society 550 NW. LeJeune Road Miami Florida 33126 COPYRIGHT 1999 American Welding Society Inc. September 10 1999 06 07 26 Information Handling Services ma 07fiU2b5 0S051b3 T7fl Bi Statement on Use of AWS Standards All standards codes specifications recommended practices methods classifications and guides of the American Welding Society are voluntary consensus standards that have been developed in accordance with the rules of the American National Standards Institute. When AWS standards are either incorporated in or made part of documents that are included in federal or state laws and regulations or the regulations of other governmental bodies their provisions carry the full legal authority of the statute. In such cases any changes in those AWS standards must be approved by the governmental body having statutory jurisdiction before they can become a part of those laws and regulations. In all cases these