The admin tries his best to spend some time to collect API standards,which can be downloaded on the website.
API SPEC 5LD:2009 pdf download
API SPEC 6D:2009 pdf download
API RP 2216:2010 pdf download
API RP 2201:2010 pdf download
API SPEC 6DSS:2009 pdf download
API STD 611:2008 pdf download
API STD 613:2003 pdf download
API Std 537:2003 pdf download
API STD 510:2001 pdf download
API St 2560:2003(2010) pdf download
API RP 7C-11F:2008 pdf download
API RP 2028:2010 pdf download
API RP 1632:2010 pdf download
API RP 11S4:2002(2013) pdf download