This page lists published welding codes, procedures, and specifications.
The American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code (BPVC) covers all aspects of design and manufacture of boilers and pressure vessels.
All sections contain welding specifications, however most relevant information is contained in the following: The American Welding Society (AWS) publishes over 240 AWS-developed codes, recommended practices and guides which are written in accordance with American National Standards Institute (ANSI) practices.
[1] The following is a partial list of the more common publications:[citation needed] The American Petroleum Institute (API) oldest and most successful programs is in the development of API standards which started with its first standard in 1924.
Of the former national standards, those issued by BSI and DIN were widely used outside their countries of origin.