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Dimension range (OD inch): 1-1/2”----4 1/2” Dimension range (OD mm): 26.67----114.3 Type of upset: NUE, EUE, Plain end. Standard: API SPEC 5CT Main Steel Grade: H40, J55, N80, N80Q, L80, L80-1, L80-9Cr, L80-13Cr, P110 etc. Type of Tubing: Non-upset tubing (NU), External-upset tubing (EUE), Integrated Joint (IJ).
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Product: Drill Collar Standard:API SPEC 7-1 Steel grade:AISI 4145H Sizes:3 1/8" -- 11" Connected Type:NC, IF, REG
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Normally tubing coupling OD maximum is 4 1/2”, as the tubing pipe is applied for the drilling activities (Inside the tubing is the sucker rod to drill/pump the oil), couplings type is more various and rigorous than casing, mostly used is thicken type upset coupling (Internal upset and external upset), for short is EUE coupling, it is the most favorable in tubing connections. Tubing with EU end (EUE) coupling connection also called UPTBG. Because of the end of the tubing is thickened (upset), the connecting stress is better than buttress coupling.
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Tel : +8618063567430
Email : manager@sdtiancangsteel.com
WhatsApp：+8618063567430
Add : Room 3491, North Side, Third Floor, No. 6, Loushan Branch Road, Licang District, Qingdao City, Shandong Province
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