13CrMo4-5 Chrome Moly Pipe Alloy Seamless Steel Tubes For Pressure Purposes
13CrMo4-5 Chrome Moly Pipe Alloy Seamless Steel Tubes For Pressure Purposes
Material
13CrMo4-5 is a low-alloy steel that is widely used in the manufacturing of seamless steel tubes. These tubes are specifically designed for pressure purposes, making them ideal for use in high-temperature and high-pressure environments. The alloy is known for its excellent strength, toughness, and resistance to wear and corrosion, which makes it suitable for a variety of industrial applications.
Specification
The 13CrMo4-5 alloy is part of the chrome-moly family of steels, which are characterized by their chromium and molybdenum content. These elements enhance the material's mechanical properties and resistance to heat and corrosion. The seamless steel tubes made from this alloy are typically used in the construction of boilers, pressure vessels, and heat exchangers.
Key Features
- High Strength and Toughness: The alloy provides excellent mechanical properties, making it suitable for high-pressure applications.
- Corrosion Resistance: The presence of chromium enhances the material's resistance to oxidation and corrosion.
- Heat Resistance: The alloy can withstand high temperatures, making it ideal for use in boilers and heat exchangers.
- Durability: The combination of chromium and molybdenum increases the material's durability and lifespan.
Chemical Composition
The chemical composition of 13CrMo4-5 is crucial for its performance characteristics. Below is a table presenting the typical chemical composition:
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08 - 0.15 |
| Silicon (Si) | 0.10 - 0.35 |
| Manganese (Mn) | 0.40 - 0.70 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.015 |
| Chromium (Cr) | 0.70 - 1.10 |
| Molybdenum (Mo) | 0.40 - 0.60 |
Mechanical Properties
The mechanical properties of 13CrMo4-5 are essential for its application in pressure environments. The table below outlines these properties:
| Property | Value |
|---|---|
| Tensile Strength | 440 - 590 MPa |
| Yield Strength | ≥ 290 MPa |
| Elongation | ≥ 20% |
| Impact Energy (KV) | ≥ 27 J at -20°C |
Similar Standards and Steel Grades
13CrMo4-5 is comparable to several other international standards and steel grades, including:
- ASTM A335 P11: A similar grade used in the American standard for seamless ferritic alloy-steel pipe for high-temperature service.
- DIN 17175: A German standard for seamless tubes of heat-resistant steels.
- EN 10216-2: A European standard for seamless steel tubes for pressure purposes.
Application
The 13CrMo4-5 seamless steel tubes are extensively used in industries that require materials capable of withstanding high pressure and temperature. Common applications include:
- Boilers: Used in the construction of boiler tubes due to their heat resistance.
- Pressure Vessels: Ideal for use in pressure vessels where durability and strength are critical.
- Heat Exchangers: Suitable for heat exchangers due to their ability to withstand thermal cycling.
- Petrochemical Industry: Used in various components that require resistance to high temperatures and corrosive environments.
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