YB/T 4146 High-Carbon Chromium Bearing Steel Seamless Steel Tubes For Automobile

Material and Specification

The YB/T 4146 standard covers high-carbon chromium bearing steel seamless steel tubes specifically designed for use in automobiles. These tubes are used in various automotive applications where high load-carrying capacity and excellent wear resistance are required.

The material specification outlined in YB/T 4146 provides detailed guidelines for the chemical composition, mechanical properties, and other key features of these seamless steel tubes.

Key Features

The high-carbon chromium bearing steel seamless steel tubes specified in YB/T 4146 have several important features that make them suitable for automotive applications:

1. High Load-Carrying Capacity: These tubes exhibit excellent strength and toughness, enabling them to withstand heavy loads and high impact forces commonly encountered in automotive systems.
2. Superior Wear Resistance: The high carbon and chromium content in the steel composition enhances its abrasion resistance, ensuring longer service life even under extreme operating conditions.
3. Good Hardness and Toughness Balance: The steel tubes possess a favorable combination of hardness and toughness, which is crucial for applications where high strength and durability are required.
4. Uniform Microstructure: The manufacturing process ensures the development of a uniform microstructure, resulting in consistent mechanical properties throughout the steel tubes.

Chemical Composition

The following table presents the chemical composition required for high-carbon chromium bearing steel seamless steel tubes according to YB/T 4146:

Mechanical Properties 

The mechanical properties specified in YB/T 4146 for high-carbon chromium bearing steel seamless steel tubes are as follows:

Steel Grade and Application

The primary steel grade specified in YB/T 4146 for high-carbon chromium bearing steel seamless steel tubes is GCr15. This steel grade offers excellent performance in applications such as wheel bearings, transmission systems, engine components, and other critical automotive parts where high load-bearing capacity and wear resistance are necessary.

Possible Alternative Grades

While GCr15 is the recommended grade for high-carbon chromium bearing steel seamless steel tubes according to YB/T 4146, there may be alternative grades available in the market that offer similar properties. Some possible alternative grades that can be considered are:

• AISI 52100
• ASTM A485 Grade 1
• DIN 1.3505
• JIS SUJ2

However, it is important to consult with professionals and adhere to relevant standards and specifications when selecting any alternative grade to ensure its suitability for the intended application.

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.