The steel products and pipes are always supplied as per the standard required by the client.
A500.pdf
API-5L-Pipe-(Seamless-Steel-Pipe).pdf
ASME B36[1][1].10M-2004.pdf
BS 1387-1985.pdf
BS EN 10210-1-2006.pdf
DIN EN10219-1 1997.pdf
GB-T.9711-2011.pdf
JIS G3466.pdf