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Seamless Steel Pipe Material

The material used for seamless steel pipes plays a crucial role in determining their strength, durability, and suitability for specific applications. Common materials include carbon steel, alloy steel, and stainless steel, each offering distinct advantages in terms of corrosion resistance, temperature tolerance, and mechanical performance. Choosing the right material ensures that the pipe meets industry standards and performs reliably in demanding environments such as oil and gas, power generation, and structural engineering.
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In many industrial applications, it is crucial to choose seamless steel pipes of suitable materials. We provide three types of high-performance materials: stainless steel seamless steel pipes, carbon steel seamless steel pipes, and alloy steel seamless steel pipes, which are widely used in oil, natural gas, chemical, electric power, machinery, shipbuilding, construction and other industries. Each material has its unique performance advantages and applicable scenarios. Welcome to browse the content below to find out which type is most suitable for your project needs.

We Provide Seamless Steel Pipes of Different Materials

 

Stainless Steel Seamless Pipe

Stainless steel seamless pipes are highly resistant to corrosion, oxidation, and high temperatures. They are ideal for use in harsh environments, including chemical processing, food and beverage industries, and marine applications.

Common Grades: 304, 316, 321, 310S

Applications: Food processing, pharmaceuticals, chemical plants, water treatment, oil & gasbut also aim to empower the sustainable development of mankind through cutting-edge technology.

Stainless steel seamless pipe

 

 

Carbon steel seamless pipe

Carbon Steel Seamless Pipe

Carbon steel seamless pipes are known for their strength and affordability. They’re widely used in structural applications and for transporting fluids in industries such as oil & gas, construction, and power plants.

Common Grades: ASTM A106, A53, API 5L

Applications: Pipelines, boilers, structural supports, pressure vessels

 

 

Alloy Steel Seamless Pipe

Alloy steel seamless pipes are engineered for enhanced performance under high-temperature or high-pressure conditions. They are alloyed with elements such as chromium, molybdenum, and nickel to improve strength and resistance.

Common Grades: ASTM A335 (P11, P22, P91), A213

Applications: Power generation, petrochemical plants, refineries, high-temperature service lines

Alloy steel seamless pipe

 

Dexin Steel Tube (China) Co., Ltd
Professional Seamless Pipe Manufacturer

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2002
Year Established
60,000
Factory Area (m²)
20-30K
Monthly Capacity (tons)
220
Total Employees

Product Advantages

Specialized in large-diameter seamless pipes, maintaining 30,000 tons inventory covering carbon steel, alloy steel, stainless steel and more.

  • Pipeline steel up to X80 grade
  • Diameter below 1200mm
  • Complete size range
  • Fast delivery

Main Products

Professional production of various seamless pipes meeting high standards for petroleum, chemical, power and nuclear industries.

  • Carbon steel pipes for pressure service
  • Carbon steel pipes for high temperature
  • Alloy steel boiler tubes
  • Stainless steel pipes
  • Steel pipes for low temperature
  • Line pipes

Certifications

With complete quality management system, our products have safely operated over 100,000 hours with reliable quality.

  • ISO 9001 Certified
  • ISO 14001 Certified
  • ISO 45001 Certified
  • Sinopec Qualified Supplier
  • CNPC Class A Supplier

 

Investments
Why Choose Us
Professional Manufacturing
Relying on advanced technology and mature processes, focusing on high-precision and high-strength seamless steel pipe manufacturing.
Ten Thousand Tons of Inventory
30,000 tons of steel pipe inventory throughout the year, covering carbon steel, alloy, and stainless steel
Supply Chain Dual Engines
Integrate production and inventory resources to ensure zero delays and zero interruptions in project supply.
Full Specification Group
Provide full group sizes and diversified steel grade options to adapt to complex engineering scenarios.
Extreme Speed Delivery
Optimize production and logistics links to achieve industry-leading short-cycle delivery capabilities.
Pipeline Steel Specialization
Support X80 and below grade pipeline steel production, maximum adaptability to 1200mm caliber applications.
FAQs
  •  
    Q1: 1. What is the difference between seamless stainless steel pipes and seamless carbon steel pipes?
     

    Seamless stainless steel pipes have stronger corrosion resistance and high temperature resistance, and are suitable for environments with high requirements for cleanliness and corrosion resistance such as food, pharmaceuticals, and chemicals; while seamless carbon steel pipes have higher strength and cost advantages, and are more suitable for use in oil, natural gas, and building structures.

  •  
    Q2: How to choose seamless steel pipes of suitable materials?
     

    The material of seamless steel pipes should be selected according to the application environment, working temperature, pressure level, and whether it is in contact with corrosive media. For example:

    • Highly corrosive → Choose stainless steel
    • High strength, high temperature → Choose alloy steel
    • Cost sensitive, conventional pressure → Choose carbon steel
  •  
    Q3: Is there a big price difference between seamless steel pipes of different materials?
     

    Yes, stainless steel seamless steel pipes are usually the most expensive, followed by alloy steel, and carbon steel seamless steel pipes are the most cost-effective. The specific price also depends on the wall thickness, size, tolerance and standard requirements.

  •  
    Q4: What industries are alloy steel seamless pipes suitable for?
     

    Alloy steel seamless pipes are suitable for working conditions that require high temperature, high pressure and corrosion resistance, such as thermal power plants, refineries, chemical equipment, boilers, nuclear power systems, etc.

  •  
    Q5: Which seamless steel pipe is best for high temperature environment?
     

    Alloy steel seamless steel pipe (such as Cr-Mo series, T91, etc.) is the best choice for high temperature environment, with excellent thermal stability and lasting strength.

  •  
    Q6: Which material is suitable for conveying corrosive liquids? Answer:
     

    It is recommended to use stainless steel seamless steel pipe (such as 316L, 304L, etc.), which has strong corrosion resistance and is suitable for corrosive media such as acid and alkali liquids and salt water.

 

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