Couplings for steel pipes
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- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
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- Supply Capability:
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Std Ref.: API 5CT 5B ISO9001, 2008
Grade: J55,K55, N80-1,N80-Q,L80,C90,P110
Size: tubing 1.9"to4-1/2", casing 4-1/2"to13-3/8"
1.Grade: K55, N80-1, N80-Q, L80, C90, P110
2.We also supply permium thread products by customer's request
3.Size: tubing coupling from 1.9" to 4-1/2",Casing coupling fro4-1/2"to 13-3/8"
4.Type: NU, EU(tubing coupling), STC,LC,BTC(casing coupling).
5.Surface treatment: Whole phosphating, or inside phosphating and outside coating
6.Packing: By carton, wooden case, wooden pallet, or by requirements of customers
Otherwise, Our company manufactures and sells casing and tubing couplings,pup joints, tool joints, adapter pup-joints, adapter couplings, stabilizers, anchors of oil pumps and revolving sand gravitated device of well, etc. We always do business based on the principle of equality and mutual benefit, we provide the high quality and competitive price products.
- Q: How are steel pipes tested for quality?
- Steel pipes are tested for quality through various methods, including visual inspection, non-destructive testing (NDT) techniques such as ultrasonic testing, magnetic particle testing, and radiographic testing. Additionally, mechanical properties like tensile strength, hardness, and toughness are evaluated to ensure the pipes meet the required specifications. Various standards and guidelines are followed to ensure the quality and safety of steel pipes.
- Q: What are the common sizes of steel pipes available?
- The common sizes of steel pipes available vary widely depending on the application, but some standard sizes include 1/8 inch, 1/4 inch, 1/2 inch, 3/4 inch, 1 inch, 2 inch, 3 inch, 4 inch, 6 inch, 8 inch, 10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 24 inch, 30 inch, 36 inch, 42 inch, 48 inch, 60 inch, and 72 inch.
- Q: What is the role of steel pipes in the transportation of liquefied natural gas (LNG)?
- Steel pipes play a crucial role in the transportation of liquefied natural gas (LNG) as they are used to create the necessary infrastructure for the safe and efficient transfer of LNG. These pipes are designed to withstand the extreme cold temperatures and high pressures associated with LNG, ensuring the integrity and reliability of the transportation system. They are used to construct LNG terminals, storage tanks, and pipelines, providing a secure conduit for the LNG to be transported from production sites to distribution centers or export facilities. Steel pipes are preferred due to their strength, durability, and ability to resist corrosion, making them essential for the smooth and reliable transport of LNG across long distances.
- Q: What is the outer diameter of the steel tube?
- The outer diameter refers to the maximum diameter including the thickness of the steel tube, the inner diameter is the length of the hollow part inside, and the outer diameter minus the inside diameter is the thickness of the steel pipe
- Q: How are steel pipes protected against external damage?
- Steel pipes are protected against external damage through various methods such as coatings, wraps, and cathodic protection. These protective measures help prevent corrosion, abrasion, and other forms of external damage, ensuring the durability and longevity of the pipes.
- Q: What are steel pipes?
- Steel pipes are hollow cylindrical tubes made from steel, which are mainly used for transporting fluids and gases in various industries such as oil and gas, construction, and plumbing. They are known for their strength, durability, and resistance to corrosion, making them an essential component in infrastructure and industrial applications.
- Q: How are steel pipes transported?
- Steel pipes can be transported through different means depending on their size, weight, and the distance they need to cover. The primary modes of transportation for steel pipes are trucks, trains, and ships. For shorter distances, trucks are often used to transport steel pipes. The pipes are loaded onto flatbed or specialized trailers designed to securely hold and transport them. Trucks are convenient for transporting steel pipes to nearby locations or construction sites, as they can easily navigate local roads and highways. For longer distances, trains are the preferred mode of transportation. Steel pipes are loaded onto flatcars, which are specifically designed to carry heavy loads. Trains offer a cost-effective and efficient means of transporting large quantities of steel pipes over long distances. They can accommodate pipes of various lengths and diameters, making them a versatile option. When it comes to international shipments or transportation over bodies of water, ships are commonly used. Steel pipes can be loaded into shipping containers or onto the deck of cargo ships. Shipping containers provide protection from weather conditions and ensure the pipes remain secure during transit. Specialized ships equipped with cranes can handle large and heavy pipes, making the transportation of oversized steel pipes possible. In certain cases, pipelines can be constructed to transport steel pipes directly from the manufacturing facility to the desired location. This method is commonly used for oil, gas, or water pipelines. By laying the pipes underground, the need for separate transportation is eliminated. Overall, the transportation of steel pipes involves a range of methods, including trucks, trains, ships, and pipelines. The choice of method depends on factors such as distance, quantity, and project requirements. Each method offers its own advantages and is selected based on considerations such as cost, efficiency, and logistics.
- Q: What are the common standards for steel pipe manufacturing?
- The common standards for steel pipe manufacturing include specifications set by organizations such as the American Society for Testing and Materials (ASTM), the International Organization for Standardization (ISO), and the American National Standards Institute (ANSI). These standards cover various aspects such as size, dimensions, material properties, manufacturing process, and testing requirements to ensure the quality and consistency of steel pipes.
- Q: Do steel pipes expand or contract with temperature changes?
- Steel pipes expand when subjected to an increase in temperature and contract when exposed to a decrease in temperature. This phenomenon is a result of the thermal expansion and contraction properties of steel, which is a characteristic of most materials. When steel pipes are heated, the molecules within the metal gain energy and vibrate more vigorously, causing them to move apart and expand in size. Conversely, when the temperature of the steel pipes decreases, the molecules lose energy and move closer together, resulting in a contraction or shrinkage in size. It is important to consider these thermal expansion and contraction properties of steel pipes when designing and installing them, as failure to account for these changes may lead to structural damage, leaks, or other issues.
- Q: What are the different types of steel pipes?
- There are several different types of steel pipes, including seamless steel pipes, welded steel pipes, galvanized steel pipes, and stainless steel pipes.
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Couplings for steel pipes
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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