Seamless steel pipe API,GB,ASTM,ASME,DIN

Seamless steel pipe API,GB,ASTM,ASME,DIN

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10 m.t.

Supply Capability:: 5000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Seamless Carbon And Alloy Steel Mechanical Tubing

Hot-rolled seamless steel tubes for hydraulic pillar service

ERW Welded Pipes

API 5L Seamless line Pipe J55

Seamless Steel Alloy Pipe with Factory Price

Seamless Balck Pipe ASTM A106/API 5L/ASTM A53 GRADE B

Seamless steel pipe higher quality low price ASTM A179, ASME SA179

Oil Drill Pipe with API Spec 5DP Standard

1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension:

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8.packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

9. Surface: painted with varnish;

10. Plastic caps at ends.

11. Tolerance: OD +1%/-1%

WT +12.5%/-10%

12. Chemical composition:

Models of Steel Pipes	Chemical Component
Steel 20 (ASTM A106B)	C	Si	Mn	P	S	Cu	Ni	Cr
Steel 20 (ASTM A106B)	0.17~0.24	0.17~0.37	0.35~0.65	0.035max	0.035max	0.25max	0.25max	0.25max
Steel45 (ASTM 1045)	0.42~0.50	0.17~0.37	0.50~0.80	0.035max	0.035max	0.25max	0.25max	0.25max
16Mn(Q345B)	0.12~0.20	0.20~0.55	1.20~1.60	0.035max	0.035max	0.25max	0.25max	0.25max
45Mn2 ( ASTM1345)	0.42~0.49	0.17~0.37	1.40~1.80	0.035max	0.035max	0.3max	0.3max	0.30max

Q: How are steel pipes used in the construction of offshore platforms?: Steel pipes are used in the construction of offshore platforms for various purposes such as supporting the weight of the platform, transporting fluids (oil, gas, and water), and providing structural stability to withstand harsh environmental conditions and the weight of equipment and machinery.

Q: Can steel pipes be used for marine applications?: Yes, steel pipes can be used for marine applications.

Q: How are steel pipes protected against external corrosion in coastal areas?: Steel pipes in coastal areas are protected against external corrosion through various methods. One commonly used method is the application of protective coatings, such as epoxy or polyethylene, which act as a barrier between the steel surface and the corrosive elements in the coastal environment. Additionally, cathodic protection techniques, such as sacrificial anode systems or impressed current systems, are employed to prevent corrosion by providing a protective current to the steel pipes. Regular inspection and maintenance of these protective measures also play a crucial role in ensuring the long-term corrosion protection of steel pipes in coastal areas.

Q: Are steel pipes suitable for semiconductor manufacturing plants?: Yes, steel pipes are appropriate for use in semiconductor manufacturing plants. Steel pipes are renowned for their durability, strength, and resistance to corrosion, making them an exceptional option for a variety of industrial applications, including semiconductor manufacturing. Within semiconductor manufacturing plants, a range of chemicals and gases are employed throughout the production process. Steel pipes possess a high degree of resistance to corrosion and can endure the harsh chemicals and gases typically encountered in semiconductor manufacturing environments, thereby ensuring the integrity and longevity of the piping system. Moreover, steel pipes are capable of withstanding high-pressure conditions, which are frequently required in semiconductor manufacturing plants. They exhibit excellent mechanical properties and can endure heavy loads and stress, rendering them dependable for the transportation of fluids and gases under high pressure. Another benefit of steel pipes is their adaptability in terms of size and shape. Semiconductor manufacturing plants often necessitate a complex and intricate piping system to accommodate diverse processes and equipment. Steel pipes can be easily customized and fabricated to meet specific requirements, enabling efficient and seamless integration into the infrastructure of the plant. In summary, steel pipes possess the necessary qualities and characteristics for use in semiconductor manufacturing plants. Their durability, resistance to corrosion, high-pressure capabilities, and flexibility make them a suitable choice for the transportation of chemicals and gases in this industry.

Q: Can steel pipes be used for water distribution networks?: Yes, steel pipes can be used for water distribution networks. Steel is a durable and strong material that can withstand high water pressure and provide a long-lasting solution for transporting water in distribution networks. However, it is important to properly coat the steel pipes with suitable materials to prevent corrosion and ensure the safety and quality of the water being distributed.

Q: How are steel pipes used in power plants?: Steel pipes are used in power plants for various purposes such as carrying steam, water, and other fluids, as well as transporting fuel and exhaust gases. They are also utilized in the construction of boilers, heat exchangers, and condensers, ensuring efficient and reliable operation of power generation equipment.

Q: Can steel pipes be used for heating and cooling systems?: Yes, steel pipes can be used for heating and cooling systems. They are commonly used in HVAC systems due to their durability, high temperature resistance, and ability to handle high pressure. Steel pipes are suitable for both hot water and steam distribution for heating, as well as chilled water distribution for cooling systems.

Q: What are the different methods of bending steel pipes?: There are several methods of bending steel pipes, including hot bending, cold bending, induction bending, rotary draw bending, and hydraulic pipe bending.

Q: How are steel pipes coated to prevent internal corrosion?: Steel pipes are coated to prevent internal corrosion by applying a protective layer or coating, such as epoxy or polyethylene, on the inner surface of the pipes. This coating acts as a barrier, preventing contact between the steel and corrosive substances in the fluid being transported, thereby reducing the risk of corrosion.

Q: How are steel pipes protected against microbial corrosion?: Steel pipes are protected against microbial corrosion through various methods. One common method is the use of coatings on the pipe's surface. These coatings act as a barrier between the steel and the surrounding environment, preventing the entry of microbes and their corrosive byproducts. Coatings such as epoxy, polyethylene, and fusion bonded epoxy are often applied to the pipes to provide this protection. Another method is the use of corrosion inhibitors. These inhibitors are added to the fluid flowing through the pipe to inhibit microbial growth and prevent corrosion. These inhibitors can be organic or inorganic compounds that work by either killing the microbes or inhibiting their metabolic activity. Additionally, proper maintenance and cleaning of the pipes are crucial in preventing microbial corrosion. Regular inspections and cleaning can help remove any biofilms or microbial deposits that may have formed on the pipe's surface. This reduces the potential for microbial corrosion and extends the lifespan of the pipes. In some cases, cathodic protection may also be employed. This involves the use of sacrificial anodes or impressed current systems to provide a protective electrical current to the pipe. This current helps to prevent the formation of corrosive microorganisms and protects the steel from corrosion. Overall, a combination of coatings, corrosion inhibitors, regular maintenance, and cathodic protection techniques are used to protect steel pipes against microbial corrosion. These strategies help to ensure the longevity and integrity of the pipes in various industries, such as oil and gas, water supply, and sewage systems.

Send your message to us

*Email

*TEL

*Quantity

*Unit