API SPEC 5L PSL1 X70 (L485) Pipe API SPEC 5L PSL1 X65 (L450) Pipe API SPEC 5L PSL1 X60 (L415) Pipe API SPEC 5L PSL1 X56 (L390) Pipe API SPEC 5L PSL1 X52 (L360) Pipe API SPEC 5L PSL1 X46 (L320) Pipe API SPEC 5L PSL1 X42 (L290) Pipe API SPEC 5L PSL1 Grade B (L245) API SPEC 5L PSL1 Grade A (L210)

API SPEC 5L PSL2 X52N (L360N) Pi API SPEC 5L PSL2 X46N (L320N) Pi API SPEC 5L PSL2 X42N (L290N) Pi API SPEC 5L PSL2 GRADE BN (L245N API SPEC 5L PSL2 X60N (L415N) Pi API SPEC 5L PSL2 X56N (L390N) Pi

GB/T14164-2013 5L PSL2 X60N (L41 GB/T14164-2013 5L PSL2 X52N (L36 GB/T14164-2013 5L PSL2 X46N (L32 GB/T14164-2013 5L PSL2 X42N (L29 GB/T14164-2013 5L PSL2 Grade BN GB/T14164-2013 5L PSL2 X56N (L39

API 5CT-2011 N80 Pipeline Steel API 5CT-2011 K55 Pipeline Steel API 5CT-2011 M65 Pipeline Steel API 5CT-2011 H40 Pipeline Steel API 5CT-2011 J55 Pipeline Steel

JIS G3132-2011 SPHT4 Pipeline St JIS G3132-2011 SPHT3 Pipeline St JIS G3132-2011 SPHT2 Pipeline St JIS G3132-2011 SPHT1 Pipeline St

GB/T14164-2013 5L PSL1 L485(X70) GB/T14164-2013 5L PSL1 L450(X65) GB/T14164-2013 5L PSL1 L415(X60) GB/T14164-2013 5L PSL1 L390(X56) GB/T14164-2013 5L PSL1 L360(X52) GB/T14164-2013 5L PSL1 L320(X46) GB/T14164-2013 5L PSL1 L290(X42) GB/T14164-2013 5L PSL1 L245(GRAD