Oil Country Tubular Goods (OCTG) casing and tubing

Oil country tubular goods (OCTG) is a family of seamless rolled products consisting of drill pipe, casing and tubing subjected to loading conditions according to their specific application. CONNECTIONS STC (short round thread casing) LTC (long round thread casing) BTC (buttress thread casing) XL (extreme-line casing) NUE (non-upset tubing) EUE (external upset tubing) IJ (integral
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API-5CT N80-1 VS N80Q casing and tubing

API-5CT N80 oilfield casing pipe contains N80-1 and N80-Q types. Those two materials are absolutely consistent regarding the chemical composition and mechanical attributes, they are just various in the heat treatment. During heat treatment, N80-1 steel is treated by normalizing and tempering, while N80Q steel is treated by quenching and tempering. Therefore, the collapsing strength
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API 5ct J55 K55 L80 N80 P110 Casing pipe

The steel grades of common oilfield API-5CT casing pipe include J55, K55, N80-1, N80Q, and P110. Casing pipe is mostly used for oil well drilling. In accordance with API-5CT and ISO11960 standard, pipes can be classified as STC (short thread), LTC (long thread) and BTC (buttress thread) accompanied with their couplings. Oilfield casing pipes are
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OCTG Tubing, API 5CT Tubing

OCTG (OIL COUNTRY TUBULAR GOODS) / API-CASING, – TUBING, – DRILL PIPE Oil Country Tubular Goods short form (OCTG) refer mainly casing and tubing but can also refer line pipe used in transporting and exploration of oil and gas. Casing has been used while drilling a well. Casing has been placed in the well and
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Large Diameter Rolled and Welded Steel Pipe

Large diameter steel pipe plays an important role in oil and gas transmissions. It used a lot for long distances pipeline projects, since it could carry more liquid and with big flow rate. Especially for recent years, the use of large diameter steel pipe is increasing. When we talking about large diameters pipe, It usually
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API 5DP oilfield drill pipe

As the important part of drill string, Drill Pipe is used to transmit torque to the Drill Bit. Each Drill Pipe is furnished with a pressed steel thread protectors. In the process of oil and gas extraction and refining, drill pipe can be used repeatedly. Some other testing of finished products, including hardness testing, stress
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API 5CT J55 and K55 Oil Casing Tubing

API 5CT J55 and K55 Oil Casing including short round thread casing (STC), long round thread casing (LTC) and buttress thread casing (BTC). STC and LTC both feature a non–runout design of round threads STC (Short Thread Coupled) BTC (Buttress Thread Coupled) LTC (Long Thread Coupled) EUE (External Upset End) NUE (Non Upset End) LP
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API 5L X42 seamless steel pipe

ANSI / API 5L specifies the manufacture of two product levels (PSL1 and PSL2) of seamless and welded steel pipe for the use of a pipeline in the transportation of petroleum and natural gas. The American Petroleum Institute specification API 5L covers seamless and welded steel line pipe. This is steel pipe for pipeline transportation
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ASTM A53 Carbon Steel Seamless Pipes

ASTM A53 pipe (also referred to as ASME SA53 pipe) is intended for mechanical and pressure applications and is also acceptable for ordinary uses in steam, water, gas, and air lines. It is suitable for welding, and suitable for forming operations involving coiling, bending, and flanging, subject to certain qualifications. ASTM A53 Pipe Types The
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ASTM A179 Carbon Steel Seamless pipes

ASTM A 179 covers minimum-wall thickness, seamless cold-drawn low-carbon steel tubes for tubular, heat exchanger, condensers, and other heat transfer services. seamless ASTM A 179 steel pipe is supplied and produced by cold drawning. ASTM A179 (SA 179) standard specification covers seamless cold drawn low carbon steel pipe, for tubular heat exchanger, condensers and other
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