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To increase popularity and foster technical exchanges among Haiyou users, 【One Question per Day】 is hereby launched. Participation earns 4 points of wealth! 10 wealth points as a reward for correct answers or in-depth discussions! :Lol fill-in-the-blank question: A seamless steel pipe with dimensions Φ114×7, where Φ114 represents ( ), and 7 represents ( ). A Φ114×7 seamless steel pipe, where Φ114 represents the outer diameter of the pipe, and 7 represents the wall thickness of the pipe. ======================================== ☛【Kaichuan Voting】A brilliant blue sky is here – choose the one you think is the most beautiful! http://bbs.hcbbs.com/thread-1613972-1-1.html (Source: Haichuan Chemical Industry Forum) ☛ Announcement on the selection and rewards for outstanding moderators, technicians, and star members from January to July 2016 in the “Petroleum and Chemicals Section” http://bbs.hcbbs.com/thread-1608031-1-1.html (Source: Haichuan Chemical Industry Forum) ☛ The second round of selection for outstanding management members at Haichuan – taking place in August and September; the top prize is a Xiaomi tablet http://bbs.hcbbs.com/thread-1609580-1-1.html (Source: Haichuan Chemical Industry Forum)
Bore, or nominal size. The second is wall thickness.
114 is the outer diameter, 7 is the wall thickness
Outer diameter 114mm, wall thickness 7mm
Φ114 represents the (outer diameter), and 7 represents the (wall thickness).