Code is the number to given construction method for particular component safely. Different country having different standard as their own research. It is depend upon client requirement the company should use the code.
MAJOR ORGANIZATION FOR STANDARDS:
• India BIS : Bureau of Indian standards.
• U.S.A ASME : American Society of Mechanical Engineers
• United Kingdom BSI : British Standards Institute
• Germany DIN : Deutsches Institute for Normung.
• Japan JIS : Japanese Industrial Standards
• Europe CEN : Europe Community for Standardisation
• Canada CSA : Canadian Standards Association
• France AFNOR : Association Francoise