API pipe for oil casing
- Ref Price:
-
- Loading Port:
- Baoshan Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
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Best price with high quality of API pipe for oil casing,API Specification 5CT / ISO 11960:2001.
1. Outside diameter of API pipe for oil casing,
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.
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Label 1 |
Tolerances behind meuor L0 |
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£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.
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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 API pipe for oil casing |
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Tolerance – 12,5% |
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3. Mass of API pipe for oil casing |
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Amount |
Tolerance | |
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Single lengths |
+ 6,5% to – 3,5% | |
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Carload 18 144 kg (40 000 lb) or more |
– 1,75% | |
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Carload less than 18 144 kg (40 000 lb) |
– 3,5% | |
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Order items 18 144 kg (40 000 lb) or more |
– 1,75% | |
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Order items less than 18 144 kg (40 000 lb) |
– 3,5% | |
Picturers of API pipe for oil casing.
Stock available in warehouse.
| Packaging Detail: | packing: in bundles,black painting and end caps |
| Delivery Detail: | Within 25 days after the receipt of deposit or At sight L/C |
Production line for producing .
Surface:black lacquered,varnish coating or galvanized.
Ends:Beveled or square cut,plastic capped,painted
Container loading with professional and experienced service..Application:seamless steel pipe for low and medium pressure boiler,high pressure boiler and ship-building ,liquid service,petroleum cracking,chemical fertilizer equipment,drawing-oil-equipment and structure purpose!
Welcome to order API pipe for oil casing from us .
- Q: Are steel tubes and round steel in weight or length when purchased?
- The price must be measured by weight, and the length, volume and other specifications should be entered
- Q: How are steel pipes insulated for thermal applications?
- Steel pipes are commonly insulated for thermal applications using various materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to create a protective barrier that reduces heat transfer. Additionally, a vapor barrier may be installed to prevent moisture condensation. This insulation helps to maintain the desired temperature of the fluid or gas being transported through the pipes and prevents energy loss.
- Q: What is the impact toughness of steel pipes?
- The ability of steel pipes to withstand sudden or high-velocity impacts without fracturing or breaking is referred to as their impact toughness. This property measures the material's resistance to cracking when subjected to dynamic loading conditions. The impact toughness of steel pipes is highly significant as it determines their capacity to endure accidental impacts or external forces during transportation, installation, and operation. To evaluate the impact toughness of steel pipes, standardized tests such as the Charpy V-notch test or the Izod test are commonly utilized. These tests involve striking a notched sample of the steel pipe with a pendulum or a falling weight and measuring the amount of energy absorbed by the material until it fractures. The impact toughness is then calculated based on this energy absorption. A high impact toughness is desirable in steel pipes as it signifies a greater ability to absorb energy and resist fracture, making them more resilient to sudden impacts or loading conditions. This characteristic is particularly crucial in applications where steel pipes are exposed to high-stress environments, such as in oil and gas pipelines, automotive components, or structural applications. Several factors can influence the impact toughness of steel pipes, including their chemical composition, heat treatment, and microstructure. For instance, alloying elements like manganese, chromium, and nickel can enhance the impact toughness by promoting the formation of fine-grained microstructures and preventing crack propagation. Similarly, appropriate heat treatment processes like quenching and tempering can optimize the material's microstructure and mechanical properties, thereby improving its impact toughness. In conclusion, the impact toughness of steel pipes is a vital property that determines their ability to withstand sudden or high-velocity impacts. It is evaluated through standardized tests and can be influenced by factors such as chemical composition, heat treatment, and microstructure. A high impact toughness is desirable in steel pipes to ensure their structural integrity and resistance to fracture when subjected to dynamic loading conditions.
- Q: Does the seamless steel pipe need rust removal?
- Chemical and electrolytic methods are generally used for pickling treatment. The pipeline corrosion only uses chemical pickling, which can remove oxide, rust and old coating. Sometimes, it can be treated as sand blasting after rust removing. Two. Although chemical cleaning can make the surface reach a certain degree of cleanliness and roughness, but its anchor grain is shallow, and easy to pollute the environment.
- Q: Can steel pipes be used for structural supports?
- Yes, steel pipes can be used as structural supports due to their high strength, durability, and ability to withstand heavy loads. They are commonly used in construction for applications such as columns, beams, and braces, providing stability and support to various structures.
- Q: How are steel pipes protected against soil movement?
- Steel pipes are protected against soil movement through the use of various measures such as proper installation techniques, trench stabilization, and the implementation of protective coatings. Additionally, the pipes may be anchored or encased in concrete to prevent movement or damage caused by shifting soil.
- Q: What is the difference between internal and external coating of steel pipes?
- The main difference between internal and external coating of steel pipes lies in the purpose and location of the coatings. The internal coating is applied on the inner surface of the steel pipe to protect it from corrosion and ensure smooth flow of the contents within the pipe. It is commonly used to prevent contamination of the transported liquid or gas and to extend the lifespan of the pipe. On the other hand, the external coating is applied on the outer surface of the steel pipe to protect it from environmental factors such as moisture, chemicals, and physical damage. It helps to prevent corrosion and maintain the structural integrity of the pipe, especially in harsh conditions. Overall, while the internal coating focuses on the functionality and preservation of the transported contents, the external coating primarily aims at safeguarding the pipe itself from external influences.
- Q: How are steel pipes tested for strength and durability?
- Steel pipes are tested for strength and durability through various methods, including destructive and non-destructive testing. Destructive testing involves subjecting the pipes to intense pressure or impact to determine their breaking point, while non-destructive testing methods, such as ultrasonic or magnetic particle testing, are used to detect any internal or surface defects that may compromise their strength and durability. These tests ensure that steel pipes meet the required standards and can withstand the intended usage conditions.
- Q: Can steel pipes be used for desalination plants?
- Yes, steel pipes can be used for desalination plants. Steel is often chosen for its high strength, durability, and resistance to corrosion, making it suitable for carrying and transporting the highly saline water used in desalination processes. Additionally, steel pipes can handle high pressure, ensuring efficient water flow throughout the plant.
- Q: What are the different types of coatings used on steel pipes?
- There are several types of coatings that are commonly used on steel pipes to enhance their durability and protect them from corrosion. Some of the most common types of coatings include: 1. Fusion-Bonded Epoxy (FBE) Coating: This coating is applied to the steel pipe through a process of heating and melting the epoxy powder, which then fuses to the surface. FBE coatings provide excellent corrosion resistance and are commonly used in water pipelines and oil and gas industries. 2. Polyethylene (PE) Coating: PE coatings are applied to steel pipes using a similar process as FBE coatings. PE coatings provide a protective layer that is resistant to moisture, chemicals, and abrasion. They are commonly used in gas pipelines and underground water pipelines. 3. Polypropylene (PP) Coating: PP coatings are similar to PE coatings in terms of their application process and protective qualities. However, PP coatings offer enhanced resistance to higher temperatures, making them suitable for applications such as chemical processing plants and refineries. 4. Concrete Weight Coating (CWC): CWC is a special coating that involves applying a layer of concrete to the steel pipe. This coating provides additional weight to the pipe, making it more stable and resistant to buoyancy in underwater or submerged applications. 5. Zinc Coating: Zinc coatings, such as hot-dip galvanizing, involve immersing the steel pipe in a bath of molten zinc. This process creates a protective layer of zinc on the surface of the pipe, offering excellent corrosion resistance. Zinc coatings are commonly used in outdoor applications, such as fencing, guardrails, and water pipelines. 6. Bituminous Coating: Bituminous coatings involve applying a layer of bitumen or asphalt to the steel pipe. This coating provides excellent resistance to water and chemicals, making it suitable for underground pipelines and structures. These are just a few examples of the different types of coatings used on steel pipes. The choice of coating depends on factors such as the intended application, environmental conditions, and the level of corrosion resistance required.
Perfect detection system, our physical & chemical laboratory is equipped with test facilities included spectrum detection and metallographic analysis etc.
1. Manufacturer Overview
| Location | Shanghai China |
| Year Established | 1999 |
| Annual Output Value | Above Thirty Million RMB |
| Main Markets | Main land;Middle East; Southeast Asia |
| Company Certifications | ISO 9001:2010;API 5L |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Baoshan |
| Export Percentage | 41% - 50% |
| No.of Employees in Trade Department | 300-500 People |
| Language Spoken: | English; Chinese |
| b) Factory Information | |
| Factory Size: | 30,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | OEM Service Offered; Design Service Offered |
| Product Price Range | Average |
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API pipe for oil casing
- Ref Price:
-
- Loading Port:
- Baoshan Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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