ASTM A335 P91 High Alloy Steel Tube

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 25-35 m.t.

Supply Capability:: -

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Quick Details

Thickness:	1.5 - 70 mm	Section Shape:	Round	Outer Diameter:	0.125 - 20 inch
Place of Origin:	Shandong China (Mainland)	Secondary Or Not:	Non-secondary	Application:	Hydraulic Pipe
Technique:	Hot Rolled	Certification:	SGS/BV/IBS	Surface Treatment:	Oiled
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Is Alloy	Length:	Random length or fixed length
Grade:	10#,20#,15CrMo,12Cr1MoV,12CrMo,16Mn,A179-C,A213,A210,A335 P12,A178-C,A199,St35.8,St37-2,Q235,10#-45#,Cr-Mo alloy,A53-A369,ST35-ST52,Q195-Q345	Standard:	JIS G3445-2006,JIS G3446-2004,GB/T 8163-1999,GB/T 8162-1999,GB 5130,DIN 1629/3,DIN 2391,DIN 17175,DIN 2448,ASTM A106-2006,ASTM A213-2001,ASTM A53-2007,ASTM A210-1996,ASTM A335-2006,ASTM A179-1990,JIS,GB,DIN,ASTM

Packaging & Delivery

Packaging Detail:	Standard seaworthy packing,or as per customer's request.
Delivery Detail:	In 7-30days

Specifications

high temperature A335 P91 alloy steel tube:
1. MOQ:10MT
2. OD:1/8"-20"
3. Standard:ASTM,DIN,JIS,GB
4. Fast delivey

high temperature seamless A335 P91 alloy steel tube:

Standard	ASTM, BS, JIS, DIN
Steel Grade	ASTM A210-C,A333,A334,A335,P11,P5,P9,P91,A209 T1,SAE4130/JIS G3455,G3464,G3460,G3462,G3458/DIN st52,st35N/ BS3059.3T53,GB 16Mn,12CrMo,35CrMo
O.D.	1/8"-20"
W.T.	SCH10-XXS
Length	5m-12m
Outside Coating	Black painting, anti-corrosion oil, galvanized or as per required by customers
Packing	Wrapped in bundles by steel strips/bulk
Carbon steel seamless pipe price	USD950-USD1800/Ton
Third party inspection	SGS/BV
Production Capacity	400,000tons per year
Delivery time	20 days
Main market	Asia, India, Middle East, America, Europe

High Alloy Steel Tube Image

ASTM A335 P91 High Alloy Steel Tube

FAQ of High Alloy Steel Tube

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.

Any question, pls feel free to contact us !

Q: What does seamless steel tube mean? What are the main uses? What are the classifications?: Electrical, gas, water, power, fluid, pipe.The main production process for hot rolling seamless steel tube (the main inspection):Tube preparation and check delta to billet heating, heating, rolling, perforated pipe, steel pipe and heat treatment, diameter (minus) Delta to finished tube straightening, finishing and inspection of delta (nondestructive, physicochemical, Taiwan inspection and warehousing)Main production process of cold rolled (drawn) seamless steel tube:Blank preparation, pickling, lubrication, cold rolling (drawing), heat treatment, straightening, finishing and inspection

Q: Can steel pipes be used for conveying steam?: Yes, steel pipes can be used for conveying steam. Steel pipes are commonly used in steam systems due to their high strength and durability, as well as their ability to withstand high temperature and pressure conditions. However, it is important to ensure that the steel pipes are properly insulated and the system is adequately designed to prevent any potential issues such as corrosion or thermal expansion.

Q: What is DN50 for welded pipe?: Refers to the use of welded steel pipe made of DN50 steel pipe, refers to the inside diameter is 50mm, the market of common DN50 pipe also refers to the 2 inch pipe, standard pipe: 3.5mm thickness, pipe diameter 60mm, the weight of 4.88kg/m theory.

Q: What are the common methods for repairing steel pipes?: There are several common methods for repairing steel pipes, depending on the nature and extent of the damage. One common method is welding, which involves melting the damaged area and fusing it with a new piece of steel. This method is often used for small cracks or holes in the pipe. Welding can be done using various techniques such as shielded metal arc welding (SMAW), gas metal arc welding (GMAW), or tungsten inert gas (TIG) welding. Another method is pipe wrapping or bandaging, which involves wrapping a layer of adhesive tape or resin-soaked fiberglass around the damaged section of the pipe. This method is suitable for small leaks or corrosion spots and provides a temporary fix until a more permanent solution can be implemented. If the damage is extensive or the pipe is severely corroded, pipe lining or relining may be necessary. This involves inserting a new pipe liner inside the existing one, effectively creating a new pipe within the old one. This method can be done using various materials such as epoxy, polyethylene, or cured-in-place pipe (CIPP). Pipe lining is commonly used for larger diameter pipes or when replacement is not feasible. In some cases, pipe clamps or sleeves can be employed to repair minor leaks or cracks. These devices are designed to be clamped around the damaged section and provide a temporary or permanent solution depending on the severity of the damage. Ultimately, the choice of repair method depends on factors such as the extent of damage, accessibility of the damaged area, budget constraints, and the long-term durability required. It is advisable to consult with a professional pipe repair specialist to assess the specific situation and determine the most suitable method for repairing steel pipes.

Q: What is the thermal expansion coefficient of steel pipes?: The thermal expansion coefficient of steel pipes is typically around 0.000011 to 0.000012 per degree Celsius, which means that for every degree Celsius increase in temperature, the length of the steel pipe will expand by approximately 0.0011% to 0.0012%.

Q: 25 of the steel pipe with 6 in charge of what is the difference?: Outer diameter representation of steel pipe:When the design is nominal diameter DN means diameter, should be nominal diameter DN and the corresponding product specifications table. Specification for unplasticized polyvinyl chloride pipes for building drainage, de (nominal outer diameter) * e (nominal wall thickness), (GB, 5836.1-92), polypropylene (PP) pipe for water supply, specifications by de * e (nominal outer diameter * wall thickness).

Q: How are steel pipes used in the construction of oil-fired power plants?: Steel pipes are primarily used in the construction of oil-fired power plants for transporting oil and gas, as well as for the construction of boilers and other high-pressure equipment. These pipes are durable, resistant to corrosion, and can withstand high temperatures and pressures, making them suitable for the harsh conditions and demands of power plant operations.

Q: How can steel pipes be protected from corrosion?: There are several methods available to protect steel pipes from corrosion. One commonly used method is the application of protective coatings, which create a barrier between the steel and the corrosive elements in the environment. Epoxy is the most widely used coating for steel pipes and offers excellent corrosion resistance. Depending on the specific requirements, polyethylene and polyurethane coatings can also be used. Another effective way to prevent corrosion is through cathodic protection. This technique involves using sacrificial anodes or impressed current systems. Sacrificial anodes, typically made of zinc or aluminum, are attached to the steel pipes and corrode instead of the steel, sacrificing themselves to protect the pipes. Impressed current systems utilize a direct electrical current to counteract the corrosion process. To ensure the longevity of steel pipes, regular maintenance and inspection are crucial. It is important to monitor the condition of the coatings and address any signs of damage or deterioration promptly. Additionally, implementing proper drainage systems to prevent the accumulation of moisture around the pipes is essential for corrosion prevention. Consideration of environmental factors is also necessary when protecting steel pipes from corrosion. This involves mitigating exposure to corrosive substances like acids or chemicals and ensuring adequate ventilation and airflow to prevent moisture and humidity buildup. By implementing a combination of these protective measures, steel pipes can have an extended lifespan and maintain their structural integrity.

Q: What are the environmental impacts of steel pipe production and disposal?: Significant environmental impacts are associated with the production and disposal of steel pipes. First and foremost, the production of steel pipes necessitates the extraction of raw materials such as iron ore, coal, and limestone. This extraction process leads to the destruction of habitats, deforestation, and soil erosion. Furthermore, mining and processing these materials require a substantial amount of energy, often derived from fossil fuels, which contributes to the emission of greenhouse gases and air pollution. The manufacturing process itself encompasses various stages, such as melting, casting, rolling, and coating, all of which demand considerable energy inputs and emit substantial quantities of carbon dioxide and other greenhouse gases. Additionally, the production of steel pipes involves the utilization of chemicals and additives that can pose harm to the environment if not properly managed. Moreover, if steel pipes are not recycled or appropriately dealt with during disposal, they can end up in landfills, thus contributing to waste accumulation and occupying valuable space. Steel is typically non-biodegradable and can take hundreds of years to decompose. When steel pipes are dumped in landfills, they can release toxic substances and heavy metals, which can contaminate soil and groundwater. Nevertheless, it is important to acknowledge that steel pipes are highly recyclable, and recycling them significantly mitigates the environmental impact. Recycling steel pipes aids in the conservation of natural resources, reduces energy consumption, and lowers greenhouse gas emissions. Additionally, using recycled steel in the production of new pipes requires less energy and results in fewer emissions compared to using virgin materials. To minimize the environmental impacts of steel pipe production and disposal, it is crucial to advocate sustainable practices throughout the entire lifecycle of the product. This entails reducing energy consumption, utilizing renewable energy sources, implementing proper waste management strategies, and encouraging the recycling and reuse of steel pipes.

Q: How are steel pipes manufactured?: Steel pipes are manufactured through a process called pipe manufacturing, which involves several steps. First, raw materials such as steel plates or coils are formed into cylindrical shapes. These shapes are then welded together to create a seamless or welded pipe. After welding, the pipes undergo heat treatment to improve their mechanical properties. Finally, the pipes are cut, inspected, and coated with protective layers before being ready for various applications.

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