JIS G3462 Seamless Steel Tube Carbon Alloy Steel For Boiler And Heat Exchanger Tubes
Product Details
Seamless Steel Boiler Tubes
,JIS G3462 Seamless Steel Tube
,Carbon Alloy Steel Seamless Tube
JIS G3462 Seamless Steel Tube: Carbon Alloy Steel For Boiler And Heat Exchanger Tubes
Introduction
JIS G3462 is a Japanese Industrial Standard (JIS) that specifies the requirements for seamless carbon alloy steel tubes designed for use in boilers and heat exchangers. These tubes are characterized by their impressive durability, excellent heat transfer properties, and resistance to high temperatures and pressure. The standard outlines the material, specification, key features, chemical composition, and mechanical properties for the tubes.
Material and Specification
JIS G3462 seamless steel tubes are manufactured using carbon alloy steel. The tubes are designed to withstand high temperatures and pressure, making them suitable for various industrial applications. The specification covers dimensions, tolerances, appearance, and weight of the tubes to ensure their conformity and quality.
Key Features
JIS G3462 seamless steel tubes offer several key features that make them ideal for boiler and heat exchanger applications. These features include:
- Durability: The carbon alloy steel used in the tubes exhibits excellent strength and toughness, allowing them to withstand harsh operating conditions.
- Heat Transfer Efficiency: The seamless design of the tubes enables efficient heat transfer, facilitating optimum performance of boilers and heat exchangers.
- High Temperature Resistance: These tubes can withstand elevated temperatures, ensuring stable operation even under extreme heat conditions.
- Pressure Resistance: JIS G3462 tubes have exceptional pressure resistance, allowing them to handle demanding applications without compromising ety.
Chemical Composition
The following table presents the chemical composition of JIS G3462 seamless steel tubes:
| Element | Chemical Composition (% by weight) |
|---|---|
| Carbon (C) | 0.08 - 0.18 |
| Silicon (Si) | 0.10 - 0.35 |
| Manganese (Mn) | 0.30 - 0.60 |
| Phosphorus (P) | 0.035 (max) |
| Sulfur (S) | 0.035 (max) |
| Chromium (Cr) | 0.90 - 1.20 |
| Molybdenum (Mo) | 0.15 - 0.25 |
Mechanical Properties
The mechanical properties of JIS G3462 seamless steel tubes are as follows:
| Property | Value |
|---|---|
| Tensile Strength | 380 - 550 MPa |
| Yield Strength | 180 - 350 MPa |
| Elongation | 25% (min) |
| Hardness | HRB 85 (max) / HV 170 (max) |
| Impact Test | No cracks or breaks |
Steel Grade
The steel grade specified by JIS G3462 includes STBA12, STBA13, STBA20, STBA22, STBA23, STBA24, STBA25, and STBA26. Each grade has unique chemical and mechanical properties suitable for specific applications.
Application
JIS G3462 seamless steel tubes find wide application in various industries, primarily in boilers and heat exchangers. These tubes are used for conveying high-temperature fluids, such as steam or oil, within these systems. Additionally, they are employed in power plants, chemical plants, refineries, and other settings where reliable heat transfer and pressure resistance are essential.
Possible Alternative Grades
Although JIS G3462 specifies carbon alloy steel tubes, alternatives with similar properties can be considered based on specific requirements. Other notable standards that offer seamless tubes suitable for boiler and heat exchanger applications include ASTM A192, ASTM A210, and DIN 17175. It is important to consult the appropriate standards and consider the specific needs of the application before selecting an alternative grade.
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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.
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