The admin tries his best to spend some time to collect API standards,which can be downloaded on the website.
API SPEC 7F:2010 pdf download
API SPEC 6FC:2009 pdf download
API RP 2028:2010 pdf download
API RP 1632:2010 pdf download
API RP 1626:2010 pdf download
API RP 1604:2010 pdf download
API RP 1166:2010 pdf download
API RP 1162:2010 pdf download
API RP 1133:2010 pdf download
API RP 939-C:2009 pdf download
API RP 7C-11F:2008 pdf download
API RP 11S4:2002(2013) pdf download