Product Description

YB/T 4331 Seamless Steel Tube Forged And Bored Seamless Steel Pipes With Heavy Wall For High-Temperature Service

Material and Specification

The YB/T 4331 standard outlines the requirements for seamless steel tubes that are forged and bored, specifically designed for high-temperature service with heavy wall thickness. These pipes are primarily used in demanding industrial applications where elevated temperatures and high pressures are present.

Key Features

The YB/T 4331 seamless steel tubes offer certain key features that make them suitable for high-temperature service:

1. Superior Strength: The tubes possess exceptional strength, allowing them to withstand high-pressure environments without compromising structural integrity.
2. Heavy Wall Thickness: These pipes have a heavy wall construction, providing additional strength and durability in extreme conditions.
3. Seamless Design: With a seamless configuration, the tubes eliminate the risk of leaks or weak points, ensuring consistent performance in high-pressure applications.
4. Forged and Bored: The forging process enhances the mechanical properties of the tubes, while the boring process ensures precise dimensions and a smooth inner surface.
5. High-Temperature Resistance: The YB/T 4331 tubes are specifically engineered to withstand elevated temperatures commonly associated with industrial applications.

Chemical Composition

The chemical composition of YB/T 4331 seamless steel tubes is presented in the following table:

Mechanical Properties

The YB/T 4331 seamless steel tubes exhibit the following mechanical properties:

Steel Grade

The YB/T 4331 seamless steel tubes are available in various steel grades, each designed to meet specific performance requirements. The standard provides guidance and requirements for the grade selection based on the desired mechanical and chemical properties.

Application

Due to their excellent high-temperature resistance and heavy wall thickness, the YB/T 4331 seamless steel tubes find applications in a wide range of industries, including:

1. Petrochemicals: These tubes are used in the processing of oil and gas, as well as in refining operations.
2. Power Generation: They are employed in power plants for steam boilers, heat exchangers, and high-temperature pipelines.
3. Chemical Processing: The tubes are suitable for conveying corrosive substances in chemical plants.
4. High-Pressure Applications: YB/T 4331 tubes find use in industries that require reliable piping systems capable of handling high-pressure conditions.

Possible Alternative Grades

While the YB/T 4331 seamless steel tubes fulfill the requirements for high-temperature service, there are alternative grades available in the market that may offer similar or enhanced properties. Some potential alternative grades include ASTM A335 P91, ASTM A213 T9, and EN 10216-2 16Mo3. These alternative grades should be carefully evaluated against specific application requirements to ensure they meet the desired standards.

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.