GB/T 3639 Q355B Seamless Cold Drawn Seamless Steel Tube For Precision applications
GB/T 3639 Q355B Seamless Cold Drawn Seamless Steel Tube For Precision Applications
Introduction
The GB/T 3639 Q355B seamless cold drawn steel tube is specifically designed for precision applications. This high-quality steel tube is widely used in various industries due to its exceptional mechanical properties and precise dimensions. In this article, we will explore the material, specification, chemical composition, mechanical properties, and applications of the GB/T 3639 Q355B seamless cold drawn steel tube.
Material
The GB/T 3639 Q355B seamless cold drawn steel tube is made from high-quality Q355B steel. Q355B is a low alloy steel with excellent mechanical properties, including high strength, good toughness, and superior weldability. This makes it an ideal choice for precision applications where reliability and durability are crucial.
Specification
The GB/T 3639 Q355B seamless cold drawn steel tube adheres to the following specifications:
- Standard: GB/T 3639
- Material: Q355B steel
- Manufacturing Method: Cold drawn
- Outer Diameter: As per customer requirements
- Wall Thickness: As per customer requirements
- Length: As per customer requirements
Chemical Composition (Table Presentation)
| Element | Chemical Composition (%) |
|---|---|
| C (Carbon) | 0.18 - 0.22 |
| Si (Silicon) | 0.15 - 0.30 |
| Mn (Manganese) | 1.20 - 1.60 |
| P (Phosphorus) | ≤ 0.030 |
| S (Sulfur) | ≤ 0.030 |
| Cr (Chromium) | ≤ 0.30 |
| Ni (Nickel) | ≤ 0.30 |
| Cu (Copper) | ≤ 0.30 |
| Nb (Niobium) | ≤ 0.10 |
| V (Vanadium) | ≤ 0.10 |
| Ti (Titanium) | ≤ 0.10 |
| Al (Aluminum) | ≤ 0.10 |
| N (Nitrogen) | ≤ 0.012 |
Mechanical Properties (Table Presentation)
| Property | Value |
|---|---|
| Tensile Strength | ≥ 490 MPa |
| Yield Strength | ≥ 355 MPa |
| Elongation | ≥ 21% |
| Impact Toughness | ≥ 34 J/cm² |
| Hardness (HB) | ≤ 187 |
Application
The GB/T 3639 Q355B seamless cold drawn steel tube finds extensive applications in precision engineering, automotive manufacturing, hydraulic systems, and other industries that require high precision and reliability. It is commonly used for the following purposes:
- Precision mechanical components
- Hydraulic cylinders
- Automotive parts
- Machinery manufacturing
- Instrumentation and control systems
The exceptional mechanical properties and precise dimensions of the GB/T 3639 Q355B seamless cold drawn steel tube make it an ideal choice for applications where accuracy, strength, and durability are paramount.
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.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.