Precision Cold Drawn Cold Sized Tubes Welded Steel Tubes EN10305-3 For Automobile
Introduction
Precision cold drawn cold sized tubes, also known as welded steel tubes EN10305-3, are widely used in the automobile industry. These tubes are manufactured with utmost precision to meet the demanding requirements of automotive applications. In this article, we will explore the material, specification, chemical composition, mechanical properties, steel grade, and application of these tubes.
Material
The precision cold drawn cold sized tubes are typically made from low carbon steel or mild steel. This material offers excellent formability, weldability, and strength, making it suitable for automotive applications where dimensional accuracy and reliability are crucial.
Specification
The specification for precision cold drawn cold sized tubes follows the EN10305-3 standard. This standard specifies the technical delivery conditions for welded precision steel tubes in sizes ranging from 6mm to 120mm in outside diameter. It covers various aspects such as dimensions, tolerances, and mechanical properties to ensure consistent quality and performance.
Chemical Composition
The chemical composition of precision cold drawn cold sized tubes may vary depending on the specific steel grade and manufacturer. However, it typically consists of the following elements:
| Element | Percentage Range |
| Carbon (C) | 0.12% max |
| Silicon (Si) | 0.35% max |
| Manganese (Mn) | 0.60-1.00% |
| Phosphorus (P) | 0.025% max |
| Sulfur (S) | 0.025% max |
Mechanical Properties
Precision cold drawn cold sized tubes possess excellent mechanical properties that are essential for automotive applications. The following table showcases the typical mechanical properties of these tubes:
| Property | Value |
| Tensile Strength | 420-580 MPa |
| Yield Strength | 300 MPa min |
| Elongation | 15% min |
| Hardness | HRB 60-80 |
Steel Grade
The steel grade of precision cold drawn cold sized tubes may vary based on the specific requirements of the application. Commonly used steel grades include:
These steel grades offer a balance between formability, strength, and weldability, ensuring optimal performance in automotive applications.
Application
Precision cold drawn cold sized tubes find extensive application in the automobile industry. Some of the common uses of these tubes include:
- Fuel injection systems
- Brake lines
- Power steering systems
- Hydraulic systems
- Chassis components
- Suspension systems
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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.
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