Product Specification

Stainless Steel Pipe: High Precision Seamless Stainless Steel Tube For Heat-Exchanger

Introduction

Stainless steel pipes play a crucial role in various industries, providing a reliable and efficient means of transporting fluids and gases. In particular, high precision seamless stainless steel tubes designed for heat-exchangers offer exceptional performance and durability. This article explores the key aspects of these stainless steel pipes, including their material, specification, chemical composition, mechanical properties, steel grade, and applications.

Material

The high precision seamless stainless steel tubes for heat-exchangers are typically manufactured using austenitic stainless steel. This type of stainless steel is known for its excellent corrosion resistance, high strength, and thermal stability, making it ideal for demanding heat-exchanger applications. The most commonly used austenitic stainless steel grades include 304, 304L, 316, and 316L.

Specification

The high precision seamless stainless steel tubes for heat-exchangers are produced in accordance with various international specifications. The most common standards followed are:

• ASTM A213: Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes.
• ASTM A269: Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service.
• ASTM A312: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes.
• EN 10216-5: European Standard for Seamless Steel Tubes for Pressure Purposes - Technical Delivery Conditions - Part 5: Stainless Steel Tubes.

Chemical Composition

The chemical composition of high precision seamless stainless steel tubes may vary slightly depending on the specific steel grade. However, the general composition ranges for austenitic stainless steel tubes used in heat-exchangers are as follows:

Mechanical Properties

High precision seamless stainless steel tubes for heat-exchangers exhibit excellent mechanical properties, ensuring reliable and long-lasting performance. The typical mechanical properties for austenitic stainless steel tubes are as follows:

Steel Grade

Various steel grades are available for high precision seamless stainless steel tubes, each offering specific advantages for different applications. The commonly used steel grades for heat-exchanger tubes include:

• 304: This grade provides excellent corrosion resistance and is suitable for general heat-exchanger applications.
• 304L: Similar to 304, but with lower carbon content, enhancing its weldability and reducing the risk of sensitization.
• 316: Known for its superior corrosion resistance, particularly in chloride environments.
• 316L: Similar to 316, with lower carbon content for improved weldability and resistance to sensitization.

Application

High precision seamless stainless steel tubes for heat-exchangers find application in various industries, including

but not limited to:

1. Chemical Industry: Stainless steel heat-exchanger tubes are extensively used in the chemical industry for processes involving corrosive fluids and high temperatures. They provide excellent resistance to chemical corrosion and maintain their integrity even under harsh conditions.

2. Petrochemical Industry: Heat-exchangers play a vital role in the petrochemical industry, where they facilitate the transfer of heat between different fluids. Stainless steel tubes ensure efficient heat transfer, withstand high pressures, and resist corrosion from petrochemical substances.

3. Power Generation: Power plants rely on heat-exchangers to improve energy efficiency. Stainless steel tubes are preferred for their ability to withstand extreme temperatures and pressures, making them ideal for heat recovery systems, condensers, and boilers in power generation facilities.

4. Food and Beverage Industry: Stainless steel heat-exchanger tubes are widely used in the food and beverage industry, where hygiene and cleanliness are paramount. They are resistant to corrosion, easy to clean, and maintain the quality and purity of the transported fluids.

5. Pharmaceutical Industry: In pharmaceutical manufacturing, stainless steel tubes are crucial for maintaining strict hygiene standards and preventing contamination. They are suitable for applications such as sterile processing, purified water systems, and pharmaceutical fluid transfer.

6. HVAC (Heating, Ventilation, and Air Conditioning): Stainless steel heat-exchanger tubes are employed in HVAC systems to facilitate heat transfer between fluids. Their durability, corrosion resistance, and thermal stability ensure efficient performance and longevity in heating and cooling applications.

7. Automotive and Transportation: Stainless steel tubes find use in the automotive and transportation sectors for applications such as exhaust systems, catalytic converters, and intercoolers. They can withstand high temperatures and resist corrosion caused by exhaust gases and environmental factors.

8. Renewable Energy: Stainless steel heat-exchanger tubes contribute to renewable energy systems such as solar thermal power plants and geothermal heating systems. They enable the efficient transfer of heat in renewable energy generation and storage processes.

Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.

Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.

At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.