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ASTM A423 is a specification for seamless low-alloy steel tubes used in various industrial applications. These tubes are known for their durability, strength, and resistance to corrosion. The purpose of this article is to provide a detailed overview of ASTM A423, including its material composition, key features, chemical composition, mechanical properties, steel grades, applications, and possible alternative grades.
ASTM A423 specifies the requirements for seamless and welded carbon steel tubes made from low-alloy steels. These tubes are primarily intended for use in high-temperature and corrosive environments. The specification covers both hot-finished and cold-finished tubes, with dimensions ranging from 1/2 inch to 5 inches in outside diameter.
ASTM A423 carbon steel tubes possess several key features that make them suitable for industrial applications. These features include:
The chemical composition of ASTM A423 carbon steel tubes is as follows:
| Element | Composition |
|---|---|
| Carbon (C) | 0.05 - 0.25% |
| Manganese (Mn) | 0.30 - 1.10% |
| Phosphorus (P) | 0.035% maximum |
| Sulfur (S) | 0.040% maximum |
| Silicon (Si) | 0.10 - 0.50% |
| Copper (Cu) | 0.20 - 0.50% |
| Nickel (Ni) | 0.20 - 0.50% |
| Chromium (Cr) | 0.30 - 1.00% |
The mechanical properties of ASTM A423 carbon steel tubes are specified as per the requirements of the application. The general mechanical properties are as follows:
| Property | Value |
|---|---|
| Tensile Strength | 380 - 515 MPa |
| Yield Strength | 205 - 245 MPa |
| Elongation | 30% minimum |
| Hardness (Brinell) | 143 HB (max) |
ASTM A423 carbon steel tubes are categorized into different steel grades based on their mechanical properties and chemical composition. The most common grades include:
ASTM A423 carbon steel tubes find extensive application in various industries, including:
While ASTM A423 provides excellent performance for various applications, there are alternative steel grades available for specialized requirements. Some possible alternative grades include:
It is essential to consult the requirements of your specific application to determine the most suitable alternative grade.
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.
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