Welded Steel Tubes Cold Drawn Carbon Steel Tube JIS G3441 For Machine Purposes
Welded steel tubes, specifically cold-drawn carbon steel tubes conforming to the JIS G3441 standard, are commonly used in various machine applications due to their excellent mechanical properties and reliability. This article provides comprehensive information about the material, specification, chemical composition, mechanical properties, steel grade, and application of these tubes.
Material and Specification
The material used in manufacturing JIS G3441 cold-drawn carbon steel tubes is high-quality carbon steel. These tubes are manufactured through a welding process and then subjected to cold drawing to improve their dimensional precision and surface finish.
The general specifications of JIS G3441 cold-drawn carbon steel tubes are as follows:
- Outer Diameter (OD): 6.0mm - 219.0mm
- Wall Thickness (WT): 0.5mm - 20.0mm
- Length: Fixed or random, depending on customer requirements
Chemical Composition
The chemical composition of JIS G3441 cold-drawn carbon steel tubes is crucial in determining their mechanical properties and suitability for various applications. The table below provides the typical chemical composition of these tubes:
| Element | Chemical Composition (%) |
| Carbon (C) | 0.25 - 0.32 |
| Silicon (Si) | 0.15 - 0.35 |
| Manganese (Mn) | 0.30 - 0.60 |
| Phosphorus (P) | 0.040 (max) |
| Sulfur (S) | 0.040 (max) |
Mechanical Properties
The mechanical properties of JIS G3441 cold-drawn carbon steel tubes are vital in determining their performance and behavior under different conditions. The table below outlines the typical mechanical properties of these tubes:
| Property | Value |
| Tensile Strength (MPa) | 520 (min) |
| Yield Strength (MPa) | 375 (min) |
| Elongation (%) | 30 (min) |
| Hardness (HRB) | 85 (max) |
Steel Grade
The primary steel grade for JIS G3441 cold-drawn carbon steel tubes is STKM 11A. This steel grade offers a good balance of strength, toughness, and weldability, making it suitable for various machine purposes.
Application
JIS G3441 cold-drawn carbon steel tubes find widespread application in various machine purposes. Some of the common applications include:
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Automotive Components: These tubes are used in the manufacturing of automotive parts such as steering columns, shock absorbers, and hydraulic cylinders.
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Machinery Parts: JIS G3441 tubes are employed in machinery components like rollers, bushings, and bearings, where precision and reliability are crucial.
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Construction Equipment: These tubes are utilized in construction machinery like cranes and excavators due to their high strength and durability.
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Industrial Machinery: JIS G3441 tubes are used in a wide range of industrial machinery, including conveyor systems, pumps, and compressors.
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Hydraulic Systems: The tubes find application in hydraulic systems where they facilitate the seamless flow of fluids.
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.
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