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Astm A335 Grade P22 Pipe
Material and Specification
Astm A335 Grade P22 is a seamless ferritic alloy steel pipe commonly used in high-temperature applications. It is designed for moderate to high-temperature service, making it suitable for industries such as power generation, petrochemical, and refineries. The material is alloyed with various elements to enhance its mechanical properties and high-temperature resistance.
| Material | Specification |
|---|---|
| Alloy Steel | Astm A335 |
| Grade | P22 |
| Form | Seamless Pipe |
| Outer Diameter Range | 1/8" - 24" |
| Wall Thickness Range | SCH 20 - SCH XXS |
Chemical Composition
The chemical composition of Astm A335 Grade P22 ensures its strength and ability to withstand high temperatures. The following table outlines the percentage of elements present in this alloy steel:
| Element | Percentage |
|---|---|
| Carbon (C) | 0.05 - 0.15% |
| Manganese (Mn) | 0.30 - 0.60% |
| Phosphorus (P) | 0.025% max |
| Sulfur (S) | 0.025% max |
| Silicon (Si) | 0.50 - 1.00% |
| Chromium (Cr) | 1.90 - 2.60% |
| Molybdenum (Mo) | 0.87 - 1.13% |
Mechanical Properties
Astm A335 Grade P22 exhibits excellent mechanical properties, making it suitable for high-temperature applications. The table below presents the mechanical properties of this alloy steel:
| Property | Value |
|---|---|
| Tensile Strength | 415 MPa (min) |
| Yield Strength | 205 MPa (min) |
| Elongation | 30% (min) |
| Hardness | 163 - 255 HB |
Steel Grade
The steel grade Astm A335 Grade P22 is categorized as a low-alloy steel with the addition of chromium and molybdenum. This combination enhances its high-temperature strength and corrosion resistance, making it suitable for various applications in aggressive environments.
Application
Astm A335 Grade P22 pipes find widespread use in high-temperature and high-pressure applications. Some of the key industries where these pipes are utilized include:
Power Generation: Astm A335 Grade P22 pipes are extensively used in power plants, both in fossil fuel-based and nuclear power generation units, where they can withstand the high-temper
Our advanced production equipment and strict quality assurance system provide a solid guarantee for the stable performance of our Carbon Steel Buttweld Pipe Fitting Tee. In order to adapt to our internationalization strategy and the rapid growth of customer base, we continue to improve the quality and efficiency of customer service support. We interact with users directly and reinvent our products, services and business models.
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