API Pipe Steel The following data is partial review of the 38th edition (May 1990) ofAPI specification 5L. For the latest specific details, obtain a copy of APIStandard 5L .DefinitionsThe most common steel used for oil and gas cross country pipeline isthe API 5LX series.
Yahoo Account Key is available globally for the Yahoo Mail app on iOS and Android and will be rolling out to other Yahoo apps later this year. 1  When a user opens the app and enters their username (pictured left) they will be sent a push notification (pictured right).
Steps. 1  1. Start with the Help Center. Yahoo has shut down its customer service phone number and now uses the Help Center as its main provider of customer service. 2  2. Use the Password Reset tool if you can't remember your password. You can use the automated Password Reset tool to reset your forgotten password.