http://www.equipoutlet.com/api-tubular-yield-tensile-strength.html WebOct 7, 2015 · Casing BUTTRESS Torque Tables - Metric 36II.RECOMMENDED PRACTICESAPI Casing and Tubing Threads 42a. Storage and Handling Casing 42b. Preparation for Running Casing 42c. General Practices for Field Make-up, API Roundand BUTTRESS Threads (without MLT Rings) 44d. Practices for ROUND Thread …
OCTG - Tenaris
http://www.centralfishingtool.com/PDF/Casing_Data_Tables.pdf WebMay 17, 2005 · Buttress thread forms, also known as sawtooth thread forms or breech-lock thread forms. are screw thread profiles with an asymmetric shape, having one square … myhealth ahs migraine
Types Of Threads For Casing Pipe (LTC,STC,BTC)
API Buttress (BTC) connections are available in pipe sizes 4-1/2″ through 20″ (Figure 1 & 2). BTC connections larger than 13-3/8″ OD can be subject to cross threading. Extreme care in the field can ensure the proper make-up of the larger sizes. The shear resistant, large thread cross-section and easy running … See more The American Petroleum Institute(API) has adopted several connections. The API designation indicates that a connection design (generally developed by private industry) has been donated to the public with the American … See more Make-up torque values for buttress thread casing connections should be determined by carefully noting the torque required to make up each of … See more Confine BTC to 13-3/8 diameter pipe or less. Short strings of 16 to 20 BTC, with tension design factors greater than 6.0 can be used, but are not … See more WebAPI standard threading coupling primarily seal the pipe by thread grease, metal plating and thread engagement of interface. STC thread root to tip clearance is 0.152mm, BTC threading gap is the whole height of tooth. … WebSTC, LTC, BTC. 12.259. J55. The Casing Size and Grade Chart shows the following fields: The Outside Diameter (OD) is within ± 0.75% of the tolerance and must not be undersized. The Inside Diameter (ID) is … oh-interiors