Seamless Hot Rolled Steel Pipe > 114.3

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 100 m.t.

Supply Capability:: -

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Specifications

1. OD 21MM-1066MM, WT 2MM-60MM
2. certificate: ISO, API
3. Strength: large diameter thick wall seamless pipe
4. BE, PE.

Carbon Steel Seamless Pipes
OD	21.3mm-1066.8mm(1/2”-42”)
WT	2mm-60mm
Length	Random Length: 3.5m-12m, or fixed length 5.8m or as the customer’s requirement.
Standard	ASTM A53, ASTM A106, API 5L, DIN 17175, GOST8731/8732, G3457/G3452 etc.
Material	Q235B, 10#,20#,45#, 16Mn, 15MnV. A53B, A106B, API5L B, A192, A179C, A213-T12, A213-T22, A335-P1, A335-P2, A333 ST37, ST33, ST37-2, ST35.8 ST42 etc.
Certificate	API certificate and ISO certificate.
Surface	Rust remove, black painting, antirust oil, varnish, 3PE, hot-dip galvanized etc.
Package	By bundles, plastic caps or steel caps, woven, wooden cases or as requirement.
Capability	6000tons/month.
End	BE/PE.
Advantage	Big diameter and thick wall pipes. Best price with good quality. The partner you can trust. Good service and very patient.

Seamless steel pipe
Alloy pipe	Cr5Mo(P5, STFA25, T5) 15CrMo(P11, P12, STFA22) 13CrMo44 12Cr1MoV P22 (10CrMo 910) T91, P91, P9, T9 Wb36	GB5310-95 GB9948-88 ASTM335/A335M ASTM213/213M DIN17175-79 JISG3467-88 JISG3458-88	*16-8242-100**	The seamless steel pipe features resistance to high pressure, high/low temperature and corrosion and is used in the industries of petroleum, chemical engineering and electric power as well as boiler
High-pressure boiler pipe	20G, A106, ST45.8/	GB5310-95 ASTMA106-99 DIN17175-79	*14-6302-80**	Temperature-resistant seamless steel pipe for high-pressure boiler
High-pressure seamless pipe for petroleum cracking and fertilizer making equipments	20, 12CrMo, 15CrMo	GB9948-88	*10-5301.5-36**	Boiler price for refinery, heat-exchanging pipe, seamless steel pipe for pipeline
	20, 16Mn, Q345	GB6479-2000	*18-5303-40**	Fertilizer making equipment and pipe line
Low and medium pressure boiler pipes	10, 20	GB3087-1999	*10-5302-40**	Over-heat pipe for low and medium-pressure boiler, boiling water pipe, locomotive smoke pipe(big and small)
Fluid pipe	20, Q345	GB/T8163-1999	*8-6301.0-40**
Structural pipe	10,20,35,45, 16Mn, Q345B	GB/T8162-1999	*6-10201.5-100**
Line pipe	Grade B	API	*60-6301.5-40**	Carrying gas, water or oil in the industries of petroleum and natural gas
Hydraulic prop pipe	27SiMn	GB/T17396-1998	*70-3779-40**
Ship pipe	410	GB/T5312-1999	*14-4261.5-45**	Pipes for ship, boiler and over-heater

FAQ of Seamless Pipe:

①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test on every pipe before delivered out. Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity.

③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

‍‍Seamless Pipe Images：

Seamless Hot Rolled Steel Pipe > 114.3

Q: How do you determine the maximum allowable stress for a steel pipe?: To determine the maximum allowable stress for a steel pipe, several factors need to be considered. These include the material properties of the steel, such as its yield strength, ultimate tensile strength, and elongation. Additionally, the pipe's dimensions, wall thickness, and the intended application or service conditions must be taken into account. By considering these factors, along with relevant design codes and standards, engineers can calculate the maximum stress that the steel pipe can safely withstand without experiencing failure.

Q: What are the common methods of joining steel pipes?: The common methods of joining steel pipes include welding, threading, and using mechanical couplings. Welding involves fusing the pipes together using heat, while threading involves screwing the pipes together using threads on the ends. Mechanical couplings are devices that connect the pipes together using compression or other means.

Q: How long is the seamless tube?: Seamless steel tube specification: 8-1240 * 1-200mm

Q: What are the different grades of steel pipes?: There are several different grades of steel pipes, including carbon steel, stainless steel, and alloy steel. Each grade has its own unique properties and is used for specific applications based on factors such as strength, corrosion resistance, and temperature resistance.

Q: How are steel pipes protected against mechanical damage?: Steel pipes are protected against mechanical damage through various methods such as applying coatings, using protective sleeves or wraps, implementing proper handling techniques, and employing impact-resistant materials in high-risk areas.

Q: Can steel pipes be used for irrigation pivot systems?: Yes, steel pipes can be used for irrigation pivot systems. They are often preferred due to their durability, strength, and resistance to corrosion. Steel pipes can efficiently transport water over long distances, making them suitable for irrigation pivot systems that require reliable water supply.

Q: What are the common standards for steel pipe manufacturing?: Steel pipe manufacturing is regulated by various common standards that guarantee the excellence and uniformity of the products. One of the most renowned standards is the American Society for Testing and Materials (ASTM) standard, which encompasses diverse specifications for different kinds of steel pipes. These specifications encompass dimensions, mechanical properties, and testing prerequisites. Another widespread standard is the American National Standards Institute (ANSI) standard, which establishes directives for the manufacturing procedure, material requirements, and performance attributes of steel pipes. ANSI standards are commonly employed in industrial applications and construction undertakings. Furthermore, international standards such as the International Organization for Standardization (ISO) standard exist, providing guidelines for the design, production, and testing of steel pipes. The ISO standard ensures that steel pipes align with global quality and safety standards. Moreover, specific industries may have their own standards for steel pipe manufacturing. For instance, the American Petroleum Institute (API) has devised standards exclusively for oil and gas industry applications. These standards, like API 5L, outline requirements for the manufacturing, testing, and inspection of steel pipes employed in the transportation of oil and gas. Ultimately, these common standards for steel pipe manufacturing play a vital role in guaranteeing the quality, dependability, and safety of the products. They establish a standardized framework that manufacturers can adhere to, enabling customers to have confidence in the performance and durability of the steel pipes they acquire.

Q: What are the safety considerations while handling steel pipes?: When handling steel pipes, some key safety considerations include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toe boots to protect against potential injuries. It is important to be cautious of the weight and size of the pipes, using proper lifting techniques and equipment to prevent strains or accidents. Additionally, workers should be mindful of the sharp edges and potential for cuts or punctures, ensuring they have a clear and organized workspace to minimize the risk of tripping or falling. Regular inspections of the pipes for any damages or defects are also crucial to prevent accidents and maintain a safe working environment.

Q: What industries typically use steel pipes?: Steel pipes find widespread use across various industries due to their durability, strength, and versatility. Some of the sectors that typically employ steel pipes include: 1. Construction: Steel pipes are extensively utilized in the construction industry for diverse purposes like structural support, plumbing, and underground piping systems. They are commonly seen in commercial buildings, residential structures, bridges, and tunnels. 2. Oil and gas: The oil and gas industry heavily relies on steel pipes for drilling, transporting, and distributing oil and gas. Steel pipes are employed in offshore drilling rigs, oil refineries, natural gas processing plants, and pipelines to ensure the safe and efficient transport of these valuable resources. 3. Water and wastewater: Steel pipes play a crucial role in providing clean water supply and managing wastewater. They are used in water treatment plants, desalination facilities, and municipal water distribution systems. Steel pipes are also essential for sewage and stormwater management. 4. Manufacturing: Various manufacturing industries employ steel pipes for specific applications. For example, automobile manufacturers use steel pipes in exhaust systems, fuel lines, and hydraulic systems. Steel pipes are also utilized in the production of machinery, equipment, and appliances. 5. Mining: The mining industry requires robust and enduring materials for its operations. Steel pipes are used in mining applications such as conveying materials, ventilation systems, and underground infrastructure. They prove particularly useful in transporting minerals, ores, and other mining byproducts. 6. Energy and power: Steel pipes find extensive use in power generation facilities, including thermal power plants, nuclear power plants, and renewable energy installations. They are employed in steam pipelines, cooling systems, and heat exchangers. Steel pipes are also used in the construction of transmission lines for electricity distribution. 7. Infrastructure and transportation: Steel pipes are essential for infrastructure development and transportation systems. They are used in the construction of roads, bridges, railways, and airports. Steel pipes also play a role in the transportation of fluids and gases, such as in natural gas or petroleum product pipelines. Overall, the versatility and dependability of steel pipes make them indispensable in a wide range of industries, contributing to various aspects of our modern infrastructure and daily lives.

Q: What are the factors to consider when selecting a steel pipe for a specific application?: When selecting a steel pipe for a specific application, several factors need to be considered. These include the type of fluid or gas being transported, the pressure and temperature conditions, the size and dimensions required, the desired corrosion resistance, and the overall budget for the project. It is also crucial to assess the pipe's material properties, such as its strength, ductility, and toughness, to ensure it can withstand the operational demands of the application. Additionally, factors like the pipe's manufacturing process, compatibility with joining methods, and any specific industry standards or regulations should be taken into account.

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