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Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
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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.
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:
The following table presents the chemical composition required for high-carbon chromium bearing steel seamless steel tubes according to YB/T 4146:
| Steel Grade | C (%) | Si (%) | Mn (%) | P (%) | S (%) | Cr (%) |
|---|---|---|---|---|---|---|
| GCr15 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | ≤0.027 | ≤0.02 | 1.35-1.65 |
The mechanical properties specified in YB/T 4146 for high-carbon chromium bearing steel seamless steel tubes are as follows:
| Steel Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HRC) |
|---|---|---|---|---|
| GCr15 | ≥980 | ≥785 | ≥12 | 61-65 |
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.
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:
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.
A: manufacturer,also can do trading.
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.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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.
