boiler tube seamless carbon steel pipe for high pressure

boiler tube seamless carbon steel pipe for high pressure

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 60000 m.t./month

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Specifications

1. Min Order : 20 tons
2.OD: 20mm --508mm
3. WT: 3mm -- 60mm
4.Certification: ISO & API

seamless steel pipes for high pressure boiler tube

1) Standard: API Standard:ASTM A106.ASTM A53,ASTM A135,ASTM A179,ASTM A214,ASTM A192,ASTM A226,ASTM A315,ASTM A178,ASTM A210,ASTM A333,ASTM A355,ASTM A369,ASTM A334 ASTM/ASME A312/SA312, ASTM/ASME A213/SA213, ASTM A269,ASTM 511,API5L,API5CT, GOST 9940,GOST 9941,JIS G 3459, JIS GS3463, GS3467, JIS G3448, DIN EN 10216-2006(DIN 17458) , DIN EN 10297-2006(DIN 17456) etc.

2) Steel Grade: ASTM A106 GRB,A53 GRB. API 5L GRB,API 5 CT N80,K55,A335 P11.P91,DIN ST52,ST44,ST35.8,ST37,ST42,ST45

3)Outside Diameter:1/2"-20" Or 21.3-508mm

4) Wall Thickness: 3-40mm

5) Application: The products are widely used in fertilizer, petroleum, central-station, boiler, power station, shipping military, chemical industry, environment protection, traffic, metallurgy and mine, printing and dyeing, food industry, medical equipment, and so on.

Production Equipment :
30 sets of Cold-drawn Machinery (Model: 3 ton to 500 ton)
Cold-rolled Machinery: Model LD-30, LD-60, LG-90H (L), LG-159H (L)
Automatic Roller Solution & Annealing Heat Treatment Equipment
18-meter-long Pickling Sin

QUALITY ASSURANCE:

1) Strictly acc. ASTM,DIN,JIS,EN,GOST etc

2) Sample: We are accept your sample requirement

3) Test: Eddy current / hydrostatic/ Ultrasonic/ Intergranular Corrosion or according to customers' request

3) Certificate:API, CE ,ISO9001.2000.MTC etc

4) Inspection: BV,SGS,others is avaliable.

High Quality Package :

1) In bundle with strip;

2) First packing by plastic bag then strip; Details packing please see the picture in the detial description.

3) In bulk

4) Client' requirements

5) Delivery: 1) Container: 25 tons/container for pipe with usual outer diameter. For 20" container the max length is 5.8m; For 40" container the max length is 11.8m.

2) Bulk carrier: It is no requirements to the length of the pipe. But its booking space time is long.

Our Advantages:

1) Fast Delivery: around 10days below 50Metric Tons after sight of Irrevocable L/C or Deposit;(lot of high quality steel pipe in stock)

2) Quality Assured: Strictly acc. To International standard ASTM & BS & EN & JIS, with System ISO certification

3) Good Service: supplied professional technical guide free of charge at anytime;

4) Reasonable Price: to be better support your business;

Q:How are steel pipes protected against seismic activities?: Steel pipes are protected against seismic activities through various measures such as designing them to be flexible and resilient, using seismic joints and hangers, and implementing proper anchoring and support systems. Additionally, steel pipes are often coated with protective materials to enhance their resistance to corrosion and other external factors that may be triggered by seismic events.

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:How are steel pipes protected against microbial corrosion?: Various methods are employed to safeguard steel pipes against microbial corrosion. One widely used technique entails applying coatings onto the surface of the pipes. These coatings act as a shield, effectively blocking the entry of microbes and their corrosive byproducts into the steel, thereby safeguarding it from degradation. Coatings like epoxy, polyethylene, and fusion bonded epoxy are frequently utilized to bestow this protection. Another method involves the use of corrosion inhibitors. These inhibitors are added to the fluid that flows through the pipes in order to impede microbial growth and prevent corrosion. They can be either organic or inorganic compounds that function by either eradicating the microbes or inhibiting their metabolic activity. Furthermore, ensuring proper maintenance and cleaning of the pipes is vital in preventing microbial corrosion. Regular inspections and cleaning routines aid in the elimination of any biofilms or microbial deposits that may have formed on the pipe's surface. This significantly reduces the likelihood of microbial corrosion and prolongs the lifespan of the pipes. In certain cases, cathodic protection may also be employed. This method entails utilizing sacrificial anodes or impressed current systems to supply a protective electrical current to the pipe. This current helps prevent the formation of corrosive microorganisms and shields the steel from corrosion. In summary, a combination of coatings, corrosion inhibitors, regular maintenance, and cathodic protection techniques are employed to protect steel pipes from microbial corrosion. By utilizing these strategies, the longevity and integrity of the pipes are ensured, benefiting various industries such as oil and gas, water supply, and sewage systems.

Q:Can steel pipes be used for oil refineries?: Yes, steel pipes are commonly used in oil refineries due to their high strength, durability, and resistance to corrosion, making them suitable for transporting various petroleum products and chemicals within the refinery infrastructure.

Q:Can steel pipes be used for oil and gas well production?: Yes, steel pipes can be used for oil and gas well production. Steel pipes are commonly used in the oil and gas industry due to their strength, durability, and resistance to corrosion. They are able to withstand high pressure and extreme temperatures, making them suitable for transporting and extracting oil and gas from wells.

Q:How do steel pipes withstand high pressure and temperature?: Steel pipes are designed to withstand high pressure and temperature due to their inherent strength and durability. The composition of steel, with its high tensile strength and resistance to deformation, allows it to maintain its structural integrity even under extreme conditions. Additionally, steel pipes are often manufactured with thicker walls and reinforcement techniques to further enhance their ability to withstand pressure and temperature.

Q:What are the different types of steel pipe supports for thermal expansion?: There are several types of steel pipe supports for thermal expansion, including rigid supports, flexible supports, and guided supports. Rigid supports are typically used for straight pipe runs and provide a fixed point of support. Flexible supports, such as spring hangers or variable spring supports, allow for vertical movement of the pipe due to thermal expansion. Guided supports, on the other hand, restrict movement in all directions except axial movement, helping to maintain the alignment of the pipe during thermal expansion.

Q:What are the different types of steel pipe coatings for offshore applications?: There are several types of steel pipe coatings commonly used for offshore applications. These include fusion-bonded epoxy (FBE) coatings, three-layer polyethylene (3LPE) coatings, three-layer polypropylene (3LPP) coatings, and concrete weight coatings. Each of these coatings offer different levels of protection against corrosion and abrasion in offshore environments, and the choice of coating depends on factors such as the specific offshore application, the surrounding environment, and the durability requirements.

Q:How are steel pipes used in the construction of airports?: Steel pipes are used in the construction of airports for various purposes such as drainage systems, fuel pipelines, water supply networks, and structural support for buildings and runways.

Q:How are steel pipes used in the construction of stormwater drainage systems?: Steel pipes are commonly used in the construction of stormwater drainage systems due to their durability and strength. These pipes are used to convey stormwater from various sources, such as streets and rooftops, to designated discharge points, preventing flooding and directing the water away from structures. Steel pipes are ideal for handling the high flow rates and heavy loads associated with stormwater runoff, making them an essential component in the construction of efficient and reliable drainage systems.

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