hat
OD sou 5 a 8 an, (127.0 203,2 mm), incl epesè mi, sou 4% nan OD 0,045 (1.25) 0,045 x (pa gen okenn. Nan pye nan longè / 3) (1.25 x pa gen okenn. Nan m nan longè) rapò nan 0,015 in./ft oswa 1.25 mm / m
eng
OD over 5 to 8 in, (127.0 to 203.2 mm), incl Wall thickness, over 4 % of OD 0.045 (1.25) 0.045 x (no. of ft of length/3) (1.25 x no. of m of length) ratio of 0.015 in./ft or 1.25 mm/m