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TU 14-3R-55 is a technical standard that defines the requirements for cold drawn stainless seamless steel pipes used in steam boilers and pipelines. These pipes are specifically designed to withstand high temperatures and pressures while maintaining excellent corrosion resistance. This article will provide an overview of the material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades for TU 14-3R-55 stainless seamless steel pipes.
TU 14-3R-55 stainless seamless steel pipes are made from high-quality stainless steel that meets the specified chemical composition and mechanical property requirements. These pipes are manufactured using a cold-drawn process, ensuring superior surface finish and dimensional accuracy.
The standard specification for TU 14-3R-55 stainless seamless steel pipes includes dimensions such as outer diameter, wall thickness, and length. It also covers the tolerances, testing procedures, and marking requirements to ensure compliance with the standard.
TU 14-3R-55 stainless seamless steel pipes possess several key features that make them suitable for steam boilers and pipelines. These include:
Corrosion Resistance: The stainless steel used in these pipes provides excellent resistance to corrosion, even in harsh environments and high-temperature steam applications.
High Strength: The cold drawn manufacturing process enhances the material's strength, allowing it to withstand high-pressure conditions.
Seamless Construction: These pipes are seamless, which eliminates the risk of leakage and improves the overall performance and reliability of the system.
Dimensional Accuracy: The cold-drawn process ensures precise dimensions, ensuring proper fitting and compatibility with other pipeline components.
The chemical composition of TU 14-3R-55 stainless seamless steel pipes typically includes the following elements, presented in the table below:
| Element | Chemical Composition (%) |
|---|---|
| Carbon | 0.08 max |
| Silicon | 0.75 max |
| Manganese | 1.00 max |
| Phosphorus | 0.045 max |
| Sulfur | 0.030 max |
| Chromium | 18.0 - 20.0 |
| Nickel | 8.0 - 11.0 |
The mechanical properties of TU 14-3R-55 stainless seamless steel pipes are essential for assessing their suitability for steam boilers and pipelines. The typical mechanical properties are provided in the table below:
| Property | Value |
|---|---|
| Tensile Strength | 520 - 670 MPa |
| Yield Strength | 205 - 245 MPa |
| Elongation | 35% min |
| Hardness (Rockwell B) | 85 max |
TU 14-3R-55 stainless seamless steel pipes are typically made from stainless steel grade 12X18H9T. This steel grade provides excellent corrosion resistance, high strength, and suitable mechanical properties for steam boilers and pipelines.
TU 14-3R-55 stainless seamless steel pipes find widespread application in steam boilers and pipelines, particularly in the power generation, oil, and gas industries. These pipes are well-suited for conveying high-temperature steam, as they can withstand the corrosive nature of the steam and maintain their structural integrity under high-pressure conditions.
While TU 14-3R-55 stainless seamless steel pipes are specifically designed for their intended applications, there are some alternative grades that may also be suitable, depending on specific requirements. These alternative grades include:
12X18H10T: This grade is similar to 12X18H9T but has a slightly lower nickel content. It still offers good corrosion resistance and strength properties.
10X17H13M2T: This grade offers similar corrosion resistance and mechanical properties. It is suitable for applications where a higher chrome content is required.
08X18H10T: This grade has a lower carbon content but can still provide sufficient corrosion resistance and mechanical strength.
It is important to consult with steel suppliers and professionals to determine the most appropriate alternative grade based on specific project requirements and operating conditions.
TU 14-3R-55 cold drawn stainless seamless steel pipes are an excellent choice for steam boilers and pipelines due to their corrosion resistance, strength, and dimensional accuracy. These pipes meet stringent standards, ensuring reliability and ety in high-pressure and high-temperature environments. Understanding the material composition, mechanical properties, and potential alternative grades allows engineers and project managers to make informed decisions when selecting the appropriate stainless steel pipes for their applications.
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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