ASTM A139 LSAW Structural pipes and pile pipes for low pressure liquid delivery

API5L PSL1 and PSL2 Carbon Seamless steel Pipeline Grade BC
API 5L PSL1 and PSL2 Carbon Seamless steel Pipeline Grade B/C
July 31, 2017
LSAW Transmission steel pipe
API 5L LSAW Transmission steel pipe for natural gas and petroleum
August 3, 2017