JIS G3467 Seamless Carbon Steel Tube: Hot Rolled SA106B Carbon Steel Tube For Heat Exchangers
Introduction
Heat exchangers play a crucial role in various industries, from power generation to chemical processing. To ensure optimal heat transfer efficiency, it is essential to use high-quality carbon steel tubes with excellent properties. The JIS G3467 Seamless Carbon Steel Tube, specifically the hot-rolled SA106B carbon steel tube, is a reliable choice for heat exchangers. This article explores the material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades of this widely used carbon steel tube.
Material and Specification
The JIS G3467 Seamless Carbon Steel Tube is made of hot-rolled SA106B carbon steel. This material is known for its exceptional strength, durability, and heat resistance. The tube follows the JIS G3467 standard, which lays out the specific requirements for carbon steel tubes used in heat exchangers. It ensures the tube is manufactured to precise dimensions and meets the necessary quality standards.
Key Features
The key features of the JIS G3467 Seamless Carbon Steel Tube are as follows:
- Excellent heat resistance: SA106B carbon steel is designed to withstand high temperatures encountered in heat exchanger applications.
- Seamless construction: The tube is seamless, eliminating the risk of leaks and enhancing overall reliability.
- High strength: SA106B carbon steel boasts remarkable mechanical properties, making it suitable for demanding heat exchanger environments.
- Corrosion resistance: The carbon steel tube is resistant to corrosion, ensuring longevity and minimizing maintenance needs.
Chemical Composition
| Element | Percentage |
| Carbon (C) | 0.25% max |
| Manganese (Mn) | 0.27-0.93% |
| Phosphorus (P) | 0.035% max |
| Sulfur (S) | 0.035% max |
| Silicon (Si) | 0.10-0.35% |
| Chromium (Cr) | 0.40% max |
| Molybdenum (Mo) | 0.15% max |
| Copper (Cu) | 0.40% max |
Mechanical Properties
| Property | Value |
| Tensile Strength | 415 MPa min |
| Yield Strength | 240 MPa min |
| Elongation | 22% min |
| Hardness (HB) | 143 max |
Steel Grade
The JIS G3467 Seamless Carbon Steel Tube is classified under the steel grade SA106B. This designation signifies its compliance with the SA106B standard and ensures the tube's suitability for heat exchanger applications.
Application
The primary application of the JIS G3467 Seamless Carbon Steel Tube is in heat exchangers. It is widely used in various industries such as power generation, petrochemical, oil and gas, and HVAC systems. The tube is specifically designed to handle high-temperature and high-pressure environments, ensuring efficient heat transfer and optimum system performance.
Possible Alternative Grades
While the JIS G3467 Seamless Carbon Steel Tube with SA106B grade is widely used and highly reliable, there are alternative grades available that may suit specific requirements. Some possible alternative carbon steel grades for heat exchangers include SA179, SA192, SA210A1, and SA213T22. However, it is essential to consult with experts to determine the most suitable alternative grade based on the specific application and requirements.
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