YB/T 4335 Metallurgy Composite Bi-Metal Seamless Steel Tubes For Liquid Service

Material and Specification

YB/T 4335 is a standard for metallurgy composite bi-metal seamless steel tubes specifically designed for liquid service applications. This standard ensures the quality and performance of these tubes in various industrial sectors. The tubes are made using advanced metallurgy composite bi-metal technology, which combines the benefits of different materials to achieve enhanced durability, corrosion resistance, and high strength.

The tubes specified in YB/T 4335 are seamless, ensuring a smooth interior surface and excellent fluid flow characteristics. They are primarily used for conveying liquids such as petroleum, natural gas, and other fluids in the industrial and energy sectors.

Key Features

The key features of the YB/T 4335 metallurgy composite bi-metal seamless steel tubes for liquid service include:

• High strength: The composite bi-metal construction provides the tubes with exceptional strength, allowing them to withstand high pressure and temperature conditions.
• Corrosion resistance: The combination of different materials in the tubes significantly enhances their corrosion resistance, making them suitable for use in corrosive environments.
• Excellent fluid flow: The seamless design of the tubes ensures minimal pressure loss and optimal fluid flow, improving efficiency in liquid service applications.
• Good machinability: These tubes can be easily machined and fabricated to meet specific requirements.

Chemical Composition

The chemical composition of the metallurgy composite bi-metal seamless steel tubes (according to YB/T 4335) is presented in the following table:

Mechanical Properties

The mechanical properties of the metallurgy composite bi-metal seamless steel tubes, as specified by YB/T 4335, are presented in the following table:

Steel Grade

The steel grade specified in the YB/T 4335 standard for metallurgy composite bi-metal seamless steel tubes is determined based on the chemical composition and mechanical properties. Typical steel grades used for these tubes may include SDHG1, SDHG2, SDHG3, and SDHG4. These steel grades are carefully chosen to ensure the tubes' performance and suitability for liquid service applications.

Application

The YB/T 4335 metallurgy composite bi-metal seamless steel tubes find extensive applications in various industries. Some of the common applications include:

1. Oil and gas industry: These tubes are widely used in the transportation of petroleum and natural gas, ensuring e and efficient delivery.

2. Chemical industry: The tubes' corrosion resistance makes them suitable for conveying corrosive fluids in chemical processing plants.

3. Power generation: These tubes are utilized in power plants for conveying water, steam, and other liquids in high-temperature and high-pressure conditions.

4. Petrochemical industry: The tubes are employed in refineries and petrochemical plants for various applications such as heat exchangers, condensers, and process piping.

Possible Alternative Grades

While YB/T 4335 specifies the steel grades to be used for metallurgy composite bi-metal seamless steel tubes, alternative grades may be chosen based on specific requirements. Some potential alternative grades that offer similar characteristics and performance include ASTM A519, DIN 17121, and JIS G3445 steel tubes. However, it is crucial to consult the relevant standards and thoroughly evaluate the alternative grades before selecting them for a particular application.

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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.

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

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