Seamless Pipe with High Quality

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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. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
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”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

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 Pipe with High Quality

Q:What place must use galvanized steel pipe to make lighting line?: Galvanized steel pipe with hot-dip galvanizing or galvanized coating on it. Galvanizing can increase the corrosion resistance and prolong the service life of the steel pipe. The use of galvanized pipe is very wide, except for water, gas, oil and other general low pressure fluid pipeline, is used in petroleum industry especially offshore oil well pipe and oil pipe, chemical coking equipment oil heater, cooler, oil pipe exchanger for coal distillation, and support piles, Zhanqiao mine tunnel the tubes.

Q:What does GALV mean in a steel tube?: Steel tube (Steel pipe) production technology development began in the bicycle manufacturing industry, the rise of the early nineteenth Century during the oil development, the two world war ships, boilers, aircraft manufacturing, manufacturing of power boiler after the Second World War, the development of chemical industry of petroleum and natural gas drilling and transportation, will effectively promote the the yield and quality of varieties, the development of steel tube industry.

Q:How are steel pipes used in sewage systems?: Steel pipes are commonly used in sewage systems due to their durability and strength. They are used to transport sewage from homes, businesses, and industries to treatment plants or disposal sites. Steel pipes are able to handle the corrosive nature of sewage and are resistant to various chemicals and pressure. Additionally, they are also used for the construction of manholes, pumping stations, and other sewage system infrastructure.

Q:What's the difference between seamless steel pipe and welded pipe?: Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared with the solid steel such as round steel, the steel tube is lighter in strength and is an economical section steel when the flexural strength and torsion strength are the same.Widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing circular parts, can improve the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.

Q:What are low-pressure carbon steel tubes?: It's pressure levelThe design pressure (P) of pressure vessel is divided into four pressure levels: low voltage, medium pressure, high pressure and extra high pressure:(1) low voltage: Code L, 0.1MPa is less than or equal to p<1.6MPa(2) MP: Code M, 1.6MPa is less than or equal to p<10.0MPa(3) high voltage: Code H, 10.0MPa is less than or equal to p<100.0MPa(4) high voltage: Code U, P = 100.0MPa

Q:What are the safety precautions to follow while working with steel pipes?: To ensure a safe working environment when dealing with steel pipes, it is crucial to adhere to specific safety measures. Consider the following key precautions: 1. Personal Protective Equipment (PPE): Always wear appropriate PPE, such as safety goggles, gloves, steel-toed boots, and a hard hat. This will shield you from potential hazards like falling objects, sharp edges, or flying particles. 2. Practice proper lifting methods: Given that steel pipes can be heavy and unwieldy, employ correct lifting techniques like bending your knees and utilizing your leg muscles to avoid straining your back or causing musculoskeletal injuries. 3. Secure the work area: Eliminate any clutter or obstacles in the work area that may present a tripping hazard. Ensure that the pipes are stored and secured adequately to prevent rolling or falling. 4. Exercise caution around sharp edges: Steel pipes often possess sharp edges that can cause cuts or punctures. Handle them with care and consider using protective covers or gloves to prevent injuries. 5. Utilize appropriate tools: Use the correct tools and equipment for cutting, welding, or manipulating steel pipes. Adhere to manufacturer instructions and guidelines to ensure safe usage. 6. Avoid working in confined spaces: Working in cramped areas presents significant risks. If necessary, ensure proper ventilation and adhere to confined space entry protocols to prevent asphyxiation or other hazards. 7. Adhere to proper welding procedures: When welding is involved, follow appropriate welding procedures and guarantee adequate ventilation in the workspace. Employ fire-resistant blankets or screens to protect nearby combustible materials. 8. Be cautious of hot surfaces: Steel pipes can become hot during welding or other processes. Utilize appropriate insulation or heat-resistant gloves to safeguard yourself against burns or heat-related injuries. 9. Establish effective communication: Establish clear channels of communication with colleagues, especially during tasks like lifting or moving heavy objects. Use hand signals or verbal communication to ensure everyone is on the same page and to prevent accidents. 10. Regularly inspect tools and equipment: Before commencing any task, inspect tools, equipment, and scaffolding for damages or defects. Report and replace any faulty equipment to prevent accidents. Always prioritize safety when working with steel pipes. By adhering to these precautions and using common sense, you can guarantee a safe working environment for yourself and your colleagues.

Q:Are steel pipes resistant to chemicals?: Yes, steel pipes are generally resistant to chemicals. However, their resistance can vary depending on the specific chemicals involved and the type of steel used. It is important to consider the chemical composition and temperature of the substances being transported, as well as any potential corrosive effects, to ensure the appropriate choice of steel pipe material.

Q:How to make the magnetic steel, can be like a magnet?: Of course, not all materials can be magnetized, austenitic stainless steel will not do.

Q:Can steel pipes be used for underground water treatment systems?: Yes, steel pipes can be used for underground water treatment systems. Steel pipes are known for their durability, strength, and resistance to corrosion, making them suitable for various applications, including underground water treatment systems. They can withstand the pressure and environmental conditions found underground, ensuring the safe and efficient transport of water within the treatment system. However, it is important to consider the water quality and potential for corrosion in the specific location when selecting the type of steel and implementing protective measures, such as coatings or cathodic protection, to prevent corrosion and ensure the longevity of the pipes.

Q:How are steel pipes coated for insulation purposes?: Steel pipes are commonly coated for insulation purposes using various methods and materials. One common method is the application of a thermal insulation coating. This coating is usually a high-performance polymer or epoxy-based material that is applied to the surface of the steel pipe. Before the coating is applied, the steel pipe is usually cleaned thoroughly to remove any dirt, grease, or rust that may be present on its surface. This is typically done through a process called abrasive blasting, where small particles are propelled at high speed to remove contaminants and create a clean, rough surface for the coating to adhere to. Once the surface is prepared, the thermal insulation coating is applied using different techniques such as spraying, brushing, or rolling. The coating is carefully applied in multiple layers to ensure proper coverage and thickness. This helps to create a barrier between the steel pipe and the external environment, preventing heat transfer and minimizing energy loss. In addition to thermal insulation coatings, steel pipes can also be coated with materials such as polyurethane foam or mineral wool. These materials provide excellent thermal insulation properties and are often used in applications where high-temperature resistance is required. Overall, steel pipes are coated for insulation purposes through a combination of surface preparation and the application of specialized coatings. These coatings help to reduce heat loss, increase energy efficiency, and protect the steel pipe from corrosion and other environmental factors.

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