ASTM A53, ERW steel pipes, Grade B, SCH40.OD219.1mm

iso 3183 seamless steel pipe
api 5L X52,ISO 3183 L320 seamless steel pipe, for gas and oil lines
November 24, 2016
Structural Steel Square & Rectangular Tube
steel square tubing,1/2″ x 0.370″ x .065″ square hollow section
December 2, 2016