YB/T 4203 20Mn2 Seamless Steel Tubes Thick Wall Tube For Automobile Semi-Trailer Axle
Material and Specification
The YB/T 4203 20Mn2 seamless steel tubes are specifically designed for use in thick-wall tubes for automobile semi-trailer axles. These tubes are made from high-quality 20Mn2 steel and comply with the specifications set by the YB/T 4203 standard.
Key Features
The 20Mn2 seamless steel tubes exhibit several key features that make them suitable for use in automobile semi-trailer axles. These features include:
-
Excellent Strength: 20Mn2 steel possesses exceptional strength, allowing the tubes to withstand high loads and pressures commonly encountered in heavy-duty applications.
-
Thick Wall Construction: The 20Mn2 seamless steel tubes have a thick wall design, ensuring increased durability and resistance to bending and deformation.
-
Seamless Manufacturing: These tubes are produced using seamless manufacturing techniques, resulting in a uniform structure and improved overall performance.
-
Superior Weldability: The 20Mn2 steel has good weldability, enabling easy and reliable joining methods during the fabrication process.
Chemical Composition
The chemical composition of YB/T 4203 20Mn2 seamless steel tubes is as follows:
| Element | C | Si | Mn | P | S |
| Content % | 0.17-0.24 | 0.17-0.37 | 1.40-1.80 | ≤0.035 | ≤0.035 |
Mechanical Properties
The mechanical properties of YB/T 4203 20Mn2 seamless steel tubes are as follows:
| Property | Value |
| Tensile Strength (MPa) | 785-940 |
| Yield Strength (MPa) | ≥ 590 |
| Elongation after Fracture (%) | ≥ 10 |
| Impact Toughness (J/cm2) | ≥ 63 |
| Hardness (HB) | ≤ 229 |
Steel Grade
The YB/T 4203 standard designates 20Mn2 as the specified steel grade for the production of these seamless steel tubes.
Application
YB/T 4203 20Mn2 seamless steel tubes are primarily used for manufacturing axle tubes in automobile semi-trailers. These tubes provide the necessary strength and durability required for supporting heavy loads and ensuring e and reliable transportation.
Possible Alternative Grades
Although 20Mn2 is the designated steel grade for YB/T 4203 seamless steel tubes, there are some possible alternative grades that share similar properties and can be used in certain applications. Alternative grades may include 20CrMo, 25CrMo, and 30CrMo, which offer comparable strength and toughness characteristics.
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.
Your message must be between 20-3,000 characters!
