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  • Sprial Welded Pipe
  • Seamless Carbon Steel Pipes
  • ASME 16.5 Flange
  • ASTM A234 WPB Fittings
  • Galvanised Plumbing Pipe
  • Galvanized Steel Pipe For Water

Contact Us

    • Room 1005, Building C1, Ling Ao International Apartment, intersection of Lingzhuangzi Road and Lingbin Road, Nankai District, Tianjin,China.
    • info@xingjianholding.com
    • +86-17373176331
 
Manufacturer of ERW Steel Pipe
 

Our ERW Tubes are made of high quality materials and are ideal for a wide variety of industrial applications. Our range of ERW pipe is known for its durability, high performance and reliability. We offer a wide range of sizes, thicknesses and lengths to meet our customers' needs. We can also customize your order to meet your specific requirements, ensuring you get what you need.

 

Why Choose Us
01/

Professional team

The core members of our company are part of the steel pipe subcommittee of the national steel standardization committee and hold dozens of industry patents. Our team has over 10 years of experience in the industry, allowing us to effectively address challenges in projects both at home and abroad.

02/

Our products

We provide a variety of steel products, including erw steel pipes, lsaw steel pipes, steel plates, steel coils, and pipe fittings. These products are designed to meet the needs of different industries and applications.

03/

Product applications

Our products are used in various fields, such as fire protection, gas supply, petroleum, water supply, drainage, building structures, and agricultural facilities.

04/

Our certificates

We are certified with iso 9001, iso 14001, iso 45001, and recognized as an aaa credit enterprise.

  • Welded Carbon Steel Pipe
    Welded Carbon Steel Pipe

    Out Diameter: 21.3- 273 (1/2-10). Thickness: sch40, STD, sch60, sch80. Length: 5.8m, 6m, 12m, or as per customer's requirement. Pipe Ends: Plain, threaded, beveled. Surface: Bare, oil, painting, etc.

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  • ASTM A53 ERW Steel Pipe
    ASTM A53 ERW Steel Pipe

    Straight seam welded steel pipe products are named as welded steel pipes that are widely used to transport low-pressure fluids such as water, gas, fire protection, air, oil and heating steam, as well

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  • Sch 40 Black Pipe
    Sch 40 Black Pipe

    Black steel tubes and pipes are used for gas distribution inside and outside the house, as well as hot water circulation in boiler systems, and are broadly suited for conventional usage in water,

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  • Schedule 40 Carbon Steel Pipe
    Schedule 40 Carbon Steel Pipe

    One of the middle schedule pipes is Schedule 40 carbon steel pipe. In every pipe, there are several schedules. The dimensions and pressure capacities of the pipes are listed on the schedule. Carbon

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  • Round ERW Steel Pipe
    Round ERW Steel Pipe

    Slit coils of steel are put through a slow cold forming operation until the two sides of the steel are welded together in a tubular form, resulting in round ERW steel pipe. The resistance to the

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  • Black Welded Steel Pipe
    Black Welded Steel Pipe

    Rolling steel and welding longitudinally along the length produces electric resistance welding black steel pipe. As a result, the black welded steel pipe's cross section features welded joints.

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  • Black Steel Pipe for Water
    Black Steel Pipe for Water

    Steel pipes, often known as black pipes, are used to transport water and gas from their sources to end customers. It is the pipe that companies and homes utilize to transport their natural or propane

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  • Black Mild Steel Pipe
    Black Mild Steel Pipe

    Schedule 40 steel pipe is an example of a pipe that is both versatile and reliable. In-line galvanization and hot-dip galvanization are two ways for zinc coating these pipes. The zinc bonds to the

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  • ERW Black Steel Pipe
    ERW Black Steel Pipe

    ERW black steel pipes are widely used in fencing, scaffolding, line pipes, and other engineering fields. According to the end-needs, these pipes come in a variety of quality, wall thicknesses, sizes,

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Application of ERW Steel Pipe

 

 

Automotive industry - Essential for manufacturing exhaust systems and other critical components.

Infrastructure projects - Used for constructing bridges, scaffolding, and structural supports.

Oil and gas - Used for pipelines and drilling rigs due to high pressure.

Water and sewage systems - Pipes are used for conveying water and waste materials.

Agricultural applications - Utilized in irrigation systems and greenhouse structures.

Hvac systems - Utilized in the construction of ducts and ventilation systems.

General engineering - Perfect for various engineering applications needing precision.

Fencing and signage - Suitable for outdoor signage frames and security barriers.

 

Various forms of ERW Pipes

 

Rhs (rectangular hollow sections)

Rectangular hollow sections (rhs) are a popular choice for mechanical, structural, and construction applications. This is due to the flat surface resulting in a structural solution that is more economical for joining and various other types of fabrication work.

Shs (square hollow sections)

Square hollow sections (shs) are a popular structural steel tube. They combine the attributes and structural behaviour of rhs and chs. Shs features a flat surface that's also economical for joining and welding, with clean lines and minimal edge preparation required.

Chs (circular hollow sections)

Circular hollow sections (chs) were the first form of hollow section and are commonly used in a wide range of structural, mechanical, and construction areas. Chs are favoured for their uniform strength, smooth appearance, and versatility.

 

ERW Pipe Materials and Grades

 

Erw /welded pipes

Nb sizes

Stainless steel erw/welded pipe

1/8"

Stainless steel erw pipe

1/4”

Ferritic stainless steel welded pipe

3/8"

Austenitic stainless steel erw pipe

1/2"

Martensitic stainless steel erw pipe

3/4"

Austenitic chromium-nickel stainless steel welded pipe

1″

Chromium-nickel stainless steel welded pipe

1 1/4″

Chromium stainless steel erw pipe

1 1/2″

Ferritic stainless steel grade erw welded pipe

2″

Austenitic stainless steel grade welded pipe

2 1/2″

Martensitic stainless steel grade erw pipe

3″

Austenitic and ferritic stainless steel erw pipe

4″

Super austenitic stainless steel erw pipe

5″

Super martensitic stainless steel welded pipe

6″

 

Surface Treatment of Erw Pipes

 

Natural/black

Natural or black pipe is an uncoated steel pipe that is often used in structural applications and as a base for hot-dip galvanizing.

01

Semi-bright

Semi-bright pipe is an uncoated steel pipe with a smooth surface, ideal as a base for a variety of finishing processes.

02

Pre-galvanized

Pre-galvanized pipe is a steel pipe that is galvanized before forming for enhanced corrosion resistance.

03

Aluminized

Made from double-sided aluminized coils, aluminized pipe is a steel pipe with aluminum coating on the surface, which has high corrosion and heat resistance.

04

Perforated

Perforated pipe is a steel pipe with perforations, often used for filtering and noise reduction.

05

 

ERW Tube Steel Grade

 

According to different application environments, choose the appropriate steel grade.

ASTM A53, ASTM A500, ASTM A795, API 5L

BS1387, BS1139, EN39, EN10219, EN10255

JIS G3444

GB/T3091, GB/T13793

Grade A

S195

STK290

Q195

Grade B

S235

STK400

Q235

Grade C

S355

STK500

Q355

 

 
 
Main Materials Used in Erw Pipe Production
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Steel: The first choice

Carbon steel: The most common raw material for erw pipe manufacturing is carbon steel. Known for its economic value, availability, and balanced strength and ductility, carbon steel pipes are used in a wide range of applications. They can be used for gas and water transportation, structural purposes, and even furniture manufacturing.

 

Alloy steel: Alloy steel is the first choice for applications that require higher strength, corrosion resistance, and heat resistance. Alloy steel pipes contain elements such as chromium, nickel, and molybdenum, making them an indispensable material in industries such as oil and gas, chemical processing, and power generation.

02.

Beyond steel: Other materials

Stainless steel: Stainless steel stands out in situations where corrosion resistance and aesthetics are crucial. Its uses range from architectural design to the food processing industry.

 

Copper and aluminum: These materials are chosen because they have unique properties, such as electrical conductivity and ductility, which make them well suited for specific applications.

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Services we offer
 
 

Water cutting

Water jet technology, also known as water jet and water cutting technology, is a real cold cutting. Speed jet water cutting.

 
 
 

Beveling

We can apply any type of bevel to any degree desired. Beveling can be applied to the surface of pipes of any size or diameter.

 
 
 

Threaded

Pipe thread is a thread located on the pipe wall for connection, mainly used for the sealing connection of water, gas, oil and other pipelines. We offer npt and bspt pipe threads.

 

 

 
Our Certificate
 

ISO9001, ISO 14001, ISO 45001, AAA credit enterprise.

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FAQ

Q: What Technologies are used in the manufacturing of Seamless & ERW Pipes?

A: For ERW pipes & tubes, High-frequency Induction Welding Technology is used up to 21-inches OD.

Q: How is it possible to Identify ERW or Seamless Stainless Steel pipes?

A: In order to identify ERQ or Seamless Stainless Steel pipes, then you need to read the stencil on the side of the pipe. If it is Type F then it is furnace but welded. In case it is ASTM A53, Type S then it is seamless. If it is Type E, then it is electrical resist welded.

Q: What is ERW pipe manufacturing?

A: It’s a process of producing pipes using electric resistance welding, known for its efficiency and strength.

Q: Why is carbon steel popular in ERW pipe manufacturing?

A: Due to its cost-effectiveness, strength, and wide availability.

Q: What applications require alloy steel ERW pipes?

A: High-stress environments like oil and gas pipelines and chemical processing plants.

Q: What should I get a custom quote for ERW Pipes?

A: Custom quotes for ERW Pipes will be made based on your requirements. This way you can get the best prices for ERW Pipes from the top ERW Pipes manufacturers worldwide. We adopt a zero commission and zero referral fee business model, eliminating any unnecessary expenses. We maintain full transparency, which means buyers and suppliers can communicate and negotiate prices directly through our platform. Manufacturers and suppliers who subscribe to our program get all these services for a reasonable annual fee.

Q: Can I find ERW Pipes based on my location?

A: Yes. We can help you find the best ERW Pipes no matter where you are. We simplify your search for the best ERW Pipes manufacturer based on your budget and business needs at zero cost.

As one of the most professional erw steel pipe manufacturers and suppliers in China, we're featured by first-class material and service. Please rest assured to buy high quality erw steel pipe at competitive price from our factory.

hfiw pipes, erw casing pipe, erw tube

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