Boiler Pipes

Boiler tubes are specialized pipes used in the construction of boilers and other high-pressure systems. The structure is typically seamless for superior strength and reliability. They are usually made of materials such as carbon steel, alloy steel or stainless steel. According to the temperature level,boiler tube is divided into general boiler tubes and high pressure boiler tube.

Gnee offers boiler pipes in a variety of sizes, dimensions, and pressure ratings, allowing them to meet different piping system requirements. To ensure product quality, we provide a variety of tests, including steel pipe non-destructive testing, chemical composition testing, etc. Contact us now.

Gnee has a large inventory of boiler pipes, which allows to meet customers’ needs and deliver products on time. This avoids delays in project progress due to shortages. Our inventory management system is highly precise, ensuring inventory accuracy and real-time updates. Whether it is mass production or individual customized needs, Gnee can provide quick responses, which brings convenience and confidence to customers.

7 days for stock goods/ within 30-50 days / depending on your order quantity

Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D.

  • Bundles
  • Wooden Boxes
  • Crates
  • Packaging for P91 pipe as customer’s requirements

Available, welcome to consult

A) Full Service: Pre, In, After
B) 15+ Years Exp.Global Export
C) 365 Days Always Online
D) Large-scale Reserve
E) Diversified Logistics Solution

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General Parameters Of boiler Pipes

ProductBoiler Pipes
OD0.84” ~ 28” (21.3 ~ 711mm) or as Per Clients Need
WT0.091” ~ 1.575” (2.3 ~ 40mm) or as Per Clients Need
LengthFixed Length (5.8/6/11.8/12 mtr), SRL, DRL
Painting & CoatingBare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating
Monthly Output20 million-30 million pieces per month
ApplicationsSuperheater pipes, boiling water pipes, etc.
EndsSquare Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends
Pipe StandardASTM A179, ASTM A192, ASTM A210 etc

Boiler Pipe Standards In Stock

Provide Various Boiler Pipes Materials

Provides A Variety Of Value-Added Processing Services. Committed To Providing Customers With Satisfactory Products.

  • Carbon Steel: ASTM/ASME A/SA 106, ASTM A179, ASTM A192, ASTM/ASME A/SA 210, ASTM A333 Gr 1, 6,7 to Gr 9,
  • Alloy Steel: ASTM/ASME A/SA 213 T1, T2, T5, T9, T11, T12, T22, T91, T92; ASTM A335 P1, P2, P5, P9, P11, P12, P22, P91, P92
  • Stainless Steel: ASTM A268, ASTM A213, TP304/L, TP316/L, 310S,309S,317,317L,321,321H, and duplex stainless steel material etc.
  • Low Alloy Steel: ASTM A209/A209M, DIN 17175, 1Cr5Mo, 2.25Cr1Mo, etc.
  • High-Temperature Alloy: Inconel600、Incoloy800, etc.

More Boiler Pipe information

Gnee factory have the largest inventory of boiler tubes at its warehouse in Tianjin, China headquarters.

  • UT (Ultrasonic examination)
  • AR(As Hot Rolled only)
  • TMCP(Thermal Mechanical Control Processing)
  • N(Normalized)
  • Q+T(Quenched and Tempered)
  • Z Direction Test(Z15,Z25,Z35)
  • Charpy V-Notch Impact Test
  • The Third Party Test (such as SGS Test)
  • Coated or Shot Blasting and Painting

Gnee Steel can provide the following processing services for alloy steel pipe:

  • High-definition Plasma Cutting
  • Oxy Profiling
  • Flame Cutting
  • Punching
  • Drilling
  • Tapping
  • Bevelling
  • Counter Sinking
  • Counter Boring

What Are The Features Of Boiler Pipes?

The Excellent Features of Boiler Pipes

Gnee is an exporter of boiler pipes with over 15 years of experience. We have our own factory and you can buy from us at an absolute price advantage. We use high-quality raw materials and product quality is guaranteed. Full range of specifications here, wide range of sizes here.

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High Temperature Resistance

Boiler pipes are made from materials that can withstand high temperatures. They are typically manufactured from carbon steel, alloy steel, or stainless steel, which have excellent heat resistance properties.

Pressure Resistance

Boiler pipes are designed to withstand high-pressure conditions. They are built to handle the pressure generated by the steam or hot water within the boiler system. The pipes are usually thick-walled and have a strong construction.

Precise Dimensional Tolerance

Boiler pipes are manufactured with precise dimensional tolerance to ensure a proper fit and efficient heat transfer within the boiler system. The accurate dimensions help in maintaining uniform flow rates and minimizing energy losses.

Longevity and Durability

The combination of manufacturing techniques, and resistance to temperature, make boiler pipes durable. They can withstand harsh operating conditions and have a long service life with minimal maintenance requirements.

  • Energy Generation
  • Electric Power Plants 
  • Steam Boilers
  • Petrochemical Industry
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Why Choose Gnee Boiler Pipes?

Gnee provides boiler pipes to multiple industries, including the petrochemical industry, processing industry, etc. We have developed into a trusted global leader in the pipe industry. Gnee offers boiler pipes in carbon steel, alloy steel, and stainless steel at a discounted price. In addition, we offer a wide range of pipe standards and sizes to satisfy your project’s needs.


In addition, our high-quality pipes have been successfully exported to more than 60 countries such as Vietnam, Malaysia, Indonesia, Pakistan, UAE, and South Korea, etc. Many regular customers visit our company and factory and make multiple orders.

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What Services Does Gnee Provide?

Gnee can provide the following measurement services:

1. Dimensional measurement: Measure the dimensional parameters such as length, width, and thickness by measuring instruments to ensure the product is qualified and meets the design requirements.
2. Surface measurement: Measure parameters such as flatness, unevenness, and surface roughness of the product surface to help ensure that the quality and surface state meet the requirements.
3. Thickness measurement: Use a thickness measuring instrument to accurately measure the thickness to ensure that it meets the design requirements.
4. Material measurement: Use material analysis instruments to measure the chemical composition and mechanical properties of the product to ensure that the quality and performance meet the requirements.
5. Bending and Deformation Measurements: The degree of bending and deformation is measured and monitored by using tools such as bending measuring instruments and displacement sensors to ensure that it is within the allowable range.

Ask Measurement service

Gnee can customize the size and shape for your project according to specific project needs. The custom design of the product is carried out by a professional engineer and design team. Based on the requirements and constraints of the project, they will use calculation and simulation tools, combined with experience and technical knowledge, to optimize the steel pipe design to meet the specific needs of your engineering.

● According to the strength requirements of structural design, adjust the thickness, width, and length.
● The shape can be designed according to the characteristics of the project.
● If you consider the convenience of installation and maintenance, we can also add openings and passages for easy access and operation in the design for areas that require frequent maintenance.

Ask Customized Services

Purchasing Gnee’s steel product can provide the following deep processing services. We can customize according to the specific needs of customers to meet the requirements.

Cutting service: Product can be custom cut to obtain the desired shape and size according to the needs of customers. For example, flame cutting, plasma cutting, laser cutting, etc., can cut steel pipes into required blocks, special-shaped parts.
Bending and forming: Products are bent and formed by stress application and appropriate processes to obtain the desired shape.
Welding service: Product can be subjected to various types of welding services, including manual arc welding, gas-shielded welding, laser welding, etc.
Turning and machining of holes: Turning and machining of holes in product by using machining equipment. These processes produce smooth surfaces, precise holes and threads to meet specific assembly requirements.
Surface treatment: In order to improve the corrosion resistance and aesthetics of the steel product, surface treatment can be carried out. This includes methods such as spraying, hot-dip galvanizing, electroplating, etc. to add a protective layer and provide corrosion resistance.

Ask Deep Processing Services

Gnee can provide the following testing services through third-party testing agencies. These third-party testing services can provide independent, objective verification that products comply with relevant standards and regulations.

Material chemical composition analysis: Through chemical composition analysis, determine whether the composition meets the standard requirements.
Mechanical performance test: Mechanical performance test includes tensile test, impact test, bending test, etc., which are used to determine whether the mechanical properties such as strength, toughness and ductility of products meet the specified requirements.
Metallographic testing: Through metallographic testing, check the structure, grain size, non-metallic inclusions, etc. of pipes to evaluate their quality and performance.
Corrosion performance test: Through the corrosion performance test, evaluate the corrosion resistance of products, including salt spray corrosion resistance, chemical corrosion resistance, etc.
Hardness test: Hardness test is used to measure the hardness of the products, and its strength and wear resistance can be evaluated according to the hardness value.
Ultrasonic flaw detection: Ultrasonic flaw detection is used to detect internal defects of products, such as cracks, pores, inclusions, etc.

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