API Tubing
Category:
Oil country tubular goods
Key Words:
Oil country tubular goods
API Tubing
Description
Tubing is a relatively small-diameter pipe that is run into a well to serve as a conduit for the passage of oil and gas to the field surface facilities for processing. Tubing must be adequately strong to resist loads and deformations associated with production and workovers. Further, tubing must be sized to support the expected rates of production of oil and gas.
Sizes and Materials
Tubing pipes are manufactured in seamless and welded execution, in the size range of 1.050 to 5 1/2 inches (consult this article to see the AP5CT tubing pipes sizes) and in the following material grades: H-40, J-55, K-55, N-80, L-80, C-90, T-95, P-110, Q-125
End Connections
The main types of connections for tubing pipes are NUE (non-upset), EUE (external upset) and premium. Corrosion resistance under sour service conditions is a very important OCTG characteristic, especially for casing and tubing.
More casing pipes and their colors

Specification
|
Oil Tubing |
Range 1 |
Range 2 |
Range 3 |
|
6.10~7.32 |
8.53~9.75 |
11.58~12.80 |
| Label | D Outside diameter mm | Wall thickness mm | C type of end-finish | |||||||||
| 1 | 2 | |||||||||||
| NU T&C | EU T&C | IJ | H40 | J55 | L80 | N80 | C90 | T95 | P110 | |||
| 1.9 | 2.75 | 2.9 | 4 | 48.26 | 3.68 | PNUI | PNUI | PNUI | PNUI | PNUI | PNUI | |
| 3.65 | 3.73 | |||||||||||

PACKING AND SHIPPING
The company has main production lines such as pickling, cold rolling, hot-dip galvanizing, hot-dip galvanizing, thick plate galvanizing, and color coating, forming an annual output of 1 million tons of pickling coils, 1 million tons of cold-rolled steel sheets, and 900,000 tons of hot-dip steel sheets. The scale of galvanized and hot-dip aluminum-zinc-silicon steel sheets, 450,000 tons of thick galvanized steel sheets, and 300,000 tons of color-coated steel sheets. It is one of the largest suppliers of steel and non-ferrous metal smelting and processing in Shandong Province.
FACTORY
Shandong Baopu Metal Products Co., Ltd. was established in March 2010. It is a comprehensive large-scale enterprise integrating coating products and various steel processing and production, warehousing, distribution, and foreign trade sales.
CUSTOMER VISIT
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