Best seller of Oil Tubing / Petroleum Pipe API Specification 5CT / ISO 11960:2001. Key enterprises for producing and selling high precision spiral petroleum pipe.
Specification of Oil Tubing / Petroleum Pipe.
1. Outside Diameter of Oil Tubing / Petroleum Pipe
For upset pipe, the following tolerances apply to the outside diameter of the pipe body immediately behind the upset for a distance of approximately 127 mm (5.0 in) for sizes Label 1: 5-1/2 and smaller, and a distance approximately equal to the outside diameter for sizes larger than Label 1: 5-1/2. Measurements shall be made with callipers or snap gauges.
Label 1 | Tolerances behind meuor L0 |
£3-1/2 | + 2.38 mm to – 0.79 mm (+ 3/32 in to – 1/32 in) |
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>3-1/2 to £5 | + 2.78 mm to – 0.75% D(+ 7/64 in to – 0.75% D) |
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>5 to £8-5/8 | + 3,18 mm to – 0,75% D(+ 1/8 in to –0.75% D) |
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>8-5/8 | + 3,97 mm to – 0,75% D(+ 5/32 in to – 0.75% D) |
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For Label 1: 2-3/8 and larger external-upset tubing the following tolerances shall apply to the outside diameter at distance La(see Figure D.5) from the end of the pipe.
The measurements shall be made with snap gauges or calli pers. Changes in diameter between Laand Lbshall be smooth and gradual. Pipe body OD tolerances do not apply for a distance of Lbfrom the end of the pipe.
| Label 1 | Tolerances |
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| ³2-3/8 to £3-1/2 | + 2,38 mm to – 0,79 mm (+ 3/32 in to – 1/32 in) |
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| >3-1/2 to £4 | + 2,78 mm to – 0,79 mm (+ 7/64 in to – 1/32 in) |
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| >4 | + 2,78 mm to – 0,75% D(+ 7/64 in to – 0.75% D) |
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2. Wall thickness of Oil Tubing / Petroleum Pipe |
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Tolerance – 12,5% |
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3. Mass of Oil Tubing / Petroleum Pipe |
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Amount | Tolerance | |
Single lengths | + 6.5% to – 3.5% | |
Carload 18 144 kg (40 000 lb) or more | – 1.75% | |
Carload less than 18 144 kg (40 000 lb) | – 3.5% | |
Order items 18 144 kg (40 000 lb) or more | – 1.75% | |
Order items less than 18 144 kg (40 000 lb) | – 3.5% | |
Details picturers of Oil Tubing / Petroleum Pipe shown as below,
Package:By Strip.Black painting ,plastic caps,marks on pipe body.
We are also a manufacturer,so we can provide the products in conformity with your requirements rapidly.
Our products is accord with the standard of API 5L, API 5CT of American Petroleum Institute,the standard of ASTM A252,ASTM A53 and ASTM A500 of American Society Testing and Materials and standard of EN10217 and EN10219 of the European Union and passed the certification of ISO90012008 International quality management system.
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Advanced production line.Ensure good quality.
Container loading,professional and experienced service team for clients to ensure no damage.
With steel strip to make sure good condition.
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