Introduction
The Boiler Tube is a steel tube specifically designed to withstand the high pressure and temperature environment inside boilers. These tubes are an essential component of boilers used in power plants, industrial heating systems, and steam generation equipment.
Features
Excellent high temperature resistance
The Boiler Tube undergo reasonable heat treatment processes (such as normalizing, tempering, quenching and tempering) to ensure that the pipes maintain good mechanical properties and stability at temperatures up to 550°C or even higher.
Excellent high pressure bearing capacity
The seamless structure ensures that the pipes have no welding defects, the structure is uniform and dense, and has strong resistance to internal pressure.
Excellent surface quality
Our products adopt hot rolling and cold drawing processes combined with advanced surface treatment. The surface of the pipes is smooth, free of oxide scale, cracks, and pores.
Applications
Power Generation Plants
Boiler tubes are extensively used in thermal power stations to carry high-pressure steam and hot water in boilers.
Industrial Boilers
Used in various industries such as chemical, petrochemical, and manufacturing plants, boiler tubes withstand high pressure and temperature to deliver steam or hot water for process heating, sterilization, and power generation.
Oil and Gas Industry
Boiler tubes are utilized in refinery heaters, hydrocrackers, and other thermal equipment for processing crude oil and natural gas, where high strength and corrosion resistance are crucial.
Heating Systems and HVAC
They are key components in district heating plants and large-scale heating, ventilation, and air conditioning (HVAC) systems, providing efficient heat transfer and circulation.
Chemical Composition
|
Element |
Grade A |
Grade C |
Grade D |
|
Low carbon steel |
Medium carbon steel |
Manganess steel |
|
|
C% |
0.06-0.18 |
0.35Max |
0.27Max |
|
Mn% |
0.27-0.63 |
0.80Max |
1.00-1.50 |
|
P% |
0.035 |
0.035 |
0.030 |
|
S% |
0.035 |
0.035 |
0.015 |
|
Si% |
..... |
..... |
0.10Min |
Mechanical Propertise
|
Grade A |
Grade C |
Grade D |
|
|
Tensile Strength loading Ksi (Mpa) |
=47(325) |
60(415) |
70(485) |
|
Yield Strength Loading Ksi(Mpa) |
=26(180) |
37(255) |
40(275) |
|
Elongation (50mm)% |
=35 |
=30 |
=30 |
Reasons to Work with Us
Reliable Product Quality
We prioritize long-term partnerships by delivering steel products with stable, traceable quality that meets international standards and client specifications.
Strong Inventory and Sales Capability
With a rolling stock capacity of over 15,000 tons and monthly sales exceeding 30,000 tons, we ensure timely supply and efficient delivery for large-scale and urgent orders.
Comprehensive One-Stop Steel Procurement Service
Leveraging our deep integration within China's specialized steel trade ecosystem, we provide sourcing, inspection, logistics, and export documentation support-streamlining procurement for global buyers.
OEM and ODM Customized Services
As a leading steel pipe stockist and distributor in China, we provide a full range of OEM and ODM solutions to meet the needs of global customers. We support specifications, materials, surface treatment, packaging and brand customization.
FAQ
Q: What is a boiler tube and what is its main function?
A: A boiler tube is a steel pipe designed to carry hot gases and water or steam within a boiler. Its main function is to facilitate efficient heat exchange and withstand high pressure and temperature inside boilers.
Q: What types of boiler tubes are available?
A: There are two main types: seamless boiler tubes, which have no welds and offer higher strength for high-pressure applications; and welded boiler tubes, which are made by welding steel strips and are generally used for lower pressure or less critical environments.
Q: What materials are commonly used for manufacturing boiler tubes?
A: Boiler tubes are typically made from carbon steel, alloy steel, or stainless steel, selected based on the required resistance to heat, pressure, and corrosion.
Q: Which standards regulate the quality of boiler tubes?
A: Common standards include ASTM A179, ASTM A192, ASTM A213, and EN 10216-2, which set requirements for chemical composition, mechanical properties, dimensions, and testing to ensure safety and reliability.
Q: How should buyers choose the right boiler tube for their application?
A: Buyers should consider operating pressure, temperature, corrosion conditions, tube dimensions, and compliance with relevant standards. Consulting with manufacturers for customized specifications and quality certifications is also recommended.
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