Steel Pipe

Your Leading Steel Pipe Supplier

 

Xi'an Baohui Steel Co., Ltd. is located in the ancient capital of China, Xi'an. We are a leading manufacturer and supplier of specialty metal materials. Our focus is on providing high-performance stainless steel, titanium alloys, copper alloys, aluminum alloys, and nickel alloys for our customers. Each batch undergoes chemical analysis, mechanical testing, and non-destructive testing to ensure internal and external quality.

 
 
Why Choose Us?

Advanced Production Facilities

We operate with modern heating furnaces, cold-rolling and cold-drawing mills, hot-extrusion presses, annealing lines, and full pickling/passivation systems to ensure stable and accurate tube and alloy processing.

Strict Quality Control

All finished tubes and alloy products are tested using eddy-current, ultrasonic, and direct-reading spectrometry to guarantee consistent mechanical performance and full compliance with customer specifications.

Large Capacity and Fast Delivery

With an annual capacity of over 3 million tons and a well-organized stock system, we can quickly support customized orders and meet tight delivery schedules.

 

Strong Production Market

Our products are exported to over 100 countries, including major markets in the US, Germany, France, Japan, Korea, Brazil, Italy, Turkey, and Southeast Asia, earning long-term trust from global industrial buyers.

 

Parameters of Steel Pipe

 

Material Grade

Q235 / Q345 / S235 / S275 / S355 / ASTM A53 / A106

Outer Diameter (OD)

1/2"–24"(21.3–610 mm)

Wall Thickness (WT)

1.5–20 mm

Length

1–12 m

Surface Treatment

Black / Oiled / Galvanized / 3PE / 3PP / Painted

Tolerance

OD: ±0.5–1% / WT: ±10%

Ends

Plain End / Beveled End / Threaded

Welding Type

ERW / LSAW / SSAW

Standard

ASTM / EN / ISO / DIN / BS

Packing

Bundles with steel strips + waterproof wrapping

 

 

Characteristic of Steel Pipe

High strength:

Steel pipe have high tensile strength and compressive strength, can withstand greater pressure and load, and have excellent stability and safety in some applications.

 

Good toughness:

It has good toughness and can withstand a certain degree of deformation without breaking or breaking.

 

Excellent corrosion resistance:

The surface of the steel pipe is enhanced with various special treatments to prevent corrosion in harsh environments such as moisture, acid and alkali, thereby giving it a longer service life.

 

Good processability:

Steel pipe can be processed into various shapes and sizes through welding, bending, stretching, cutting and other processes to meet different design needs, making them more flexible and suitable for more fields.

 

Good thermal conductivity and electrical conductivity:

The thermal conductivity of steel pipes is good, and there are a large number of free electrons inside, which can transfer heat and current well.

ASTM A192 Seamless Carbon Steel Pipe best

 

Customization Options

 

Material Grade

Q235–Q345 / S235–S355 / ASTM A53–A106

Diameter Range

21.3–610 mm/or customized

Wall Thickness

1.5–20 mm/or customized

Length

1–12 m/or customized

Surface Finish

Black, Oiled, Galvanized, 3PE/3PP, Painted

Pipe Ends

Plain, Beveled, Threaded (NPT/BSP)

Welding Process

ERW / LSAW / SSAW

Packaging

Steel strips + waterproof wrapping

 

Application Industries of Steel Pipe
 

THE CONSTRUCTION INDUSTRY
Since steel pipe is both durable and lightweight, it's commonly utilized by the construction industry in commercial and residential buildings, as well as in industry sectors including power, water, sewer, manufacturing and more. Steel pipe is also a top choice in the construction industry because it's resistant to rust and corrosion, meaning that it won't require frequent repairs or replacement. This is especially important in water, plumbing and electrical systems, since leaks or breaks in the steel pipe can be both dangerous and costly.

 

THE OIL AND GAS INDUSTRY
Steel pipe is ideal for use in extreme conditions such as corrosive environments, low and high temperatures and high pressure. For this reason, steel pipe is prevalent in the oil and gas industry, especially in pipes like gathering lines (the tubes that transport oil or gas from the producing area to a storage facility or larger main pipeline), and pipe trunk lines (the welded, large-diameter steel pipes that are used to transport natural gas over long distances). Because of steel pipe's durability and versatility, it can stand up to the unique needs of the oil and gas industry.

 

THE SHIPBUILDING INDUSTRY
The strength of steel makes it a great option for ship building since it withstands vibrations, shock and high pressure. Unlike other metals, steel with bend rather than break in extreme conditions, which means it's less likely to crack or leak. In the shipbuilding industry, steel pipe is designed and manufactured for the boilers, super heaters and pressure systems of a ship.

 

THE TEXTILE INDUSTRY
The versatility of steel pipe makes it a popular choice in the textile industry for the production of bale openers, mixers, carding machines, spinning machines, winding machines and texturing machines.

 

THE AGRICULTURAL INDUSTRY
Steel pipe is frequently used in agricultural fittings due to its durability and ability to withstand pressure. Steel is also sometimes mixed with carbon to create a more lightweight yet sturdy agricultural fitting. Farmers and other agricultural organizations use steel pipe in dozens of applications, including tractor engines, grain elevators, field drainage systems, fertilizer applications, vent pipe systems and more.

 

INDUSTRIAL APPLICATIONS
Steel pipe is a common choice in manufacturing facilities, warehouses and other industrial locations because it's rust-proof and doesn't corrode, affording facilities a lifetime of dependable use. Round steel tubing is often used to transport liquids or gas from one area of an industrial facility to another, as well as in the construction of industry structures itself.

 

ADDITIONAL APPLICATIONS
In addition to the above listed, steel pipe is commonly found in:
• Power Plants
• Diary and Food Processing Facilities
• Modern Architecture
• Chemical Facilities
• Water Treatment Facilities
• Synthetic Fiber Production
• Desalination
• Energy Industries

 

Heat Treatment Process of Steel Pipes

Spheroidizing: Prolonged heating of iron-based alloys at a temperature slightly below the critical temperature range followed by relatively slow cooling,usually in air. Small objects of high carbon steel are more rapidly spheroidized by prolonged heating to temperatures alternately within and slightly below the critical temperature range.The purpose of this heat treatment is to produce a globular condition of the carbide.

 

Normalizing: Heating iron-base alloys to temperatures approximately 50℃above the critical temperature range followed by cooling in air to below the range.The purpose is to put metal structure in a normal condition by removing all internal strains and stresses given to the metal during some processing operation.

 

Annealing is a comprehensive term applied to heat treatments which may be used to remove stresses;induce softness;alter ductility, toughness, electrical, magnetic,or other physical properties,refine the crystalline structure; remove gases;or produce a microstructure. The temperature of the treatment and the rate of cooling depend upon the object of the treatment and the composition of the material being heat treated.

 

Hardening is the heating and quenching of certain iron-base alloys from a temperature either within or above the critical temperature range. The temperature of the heating and the length of time at this temperature, or "soaking period", depend upon the composition of the material.The quenching media used may depend upon the composition, hardness desired,and the complexity of the design.

 

Tempering is the reheating after hardening of iron-base alloys to some temperature below the critical temperature range, followed by any desired rate of cooling. The purpose of tempering is the removal of strains, and the reduction of hardness and brittleness.

 

Our Certificates

 

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ASTM A192 Seamless Carbon Steel Pipe factory

 

Our Service Advantages

① Raw Material Inspection – All incoming materials are checked for quality and specification accuracy before production.
② In-Process Inspection – Critical production stages are monitored to maintain stable processes and consistent product quality.
③ Final Product Inspection – Finished products are tested to verify performance and ensure compliance with customer requirements.
④ Pre-Shipment Inspection – Dimensions, surface quality, packaging, and documents are checked prior to dispatch.
⑤ We welcome inspections from any accredited third-party agency upon request.
⑥ We provide cutting, machining, surface finishing, and heat-treatment services to support customized orders.

 

Packaging & Transportation

 

Packaging Details:The standard export packaging, plastic film, or craft paper is covered. Awooden case or wooden pallet is adopted to protect products from damage during delivery. In addition, clear labels are tagged on the outside of the packages for easy identification of the products and quality information.

 

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FAQ

 

Q: What are the characteristics of steel pipes?

A: Its strength, durability, and resistance to harsh environmental conditions make it an essential component in various industries, from construction to oil and gas exploration. Steel pipes are also used in plumbing, heating, and electrical systems due to their robust nature and versatility.

Q: How to identify steel pipe?

A: To determine if the pipe is lead or steel, get a strong refrigerator magnet. Place the magnet on the pipe. If a magnet sticks, it is a steel pipe.

Q: What are the grades of steel pipe?

A: Both ASTM and ASME use grades of A, B, and C when designating pipes. These grades indicate certain properties of steel, based on their chemical makeup and resulting mechanical properties. The difference between the ASTM and ASME grading systems lies with pipes for pressure systems.

Q: What are the applications of steel pipes?

A: One of the most common applications of steel pipes is in the construction industry. They are used for structural purposes such as framing, scaffolding, and the construction of bridges and buildings. Steel pipes are also used in the transportation of liquids and gases, including water, oil, and natural gas.

Q: How do you guarantee product quality?

A: We provide original factory material certificates for every shipment of ASTM A192 Seamless Carbon steel pipe, ensuring product traceability. Chemical composition and mechanical properties fully comply with ASTM A192 standards.

We're professional steel pipe manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to wholesale steel pipe in stock here from our factory. For price consultation, contact us.

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