20Cr13 Martensitic Stainless Steel Seamless Tubes
Structure
20Cr13 is a martensitic stainless steel known for its excellent mechanical properties and corrosion resistance. It is commonly used in applications where high strength and moderate corrosion resistance are required. The seamless tubes made from this steel are particularly valued for their uniformity and ability to withstand high pressure.
Material
20Cr13 stainless steel is characterized by its high carbon and chromium content, which contribute to its hardness and corrosion resistance. This material is often used in the production of seamless tubes due to its ability to maintain structural integrity under stress.
Specification
Seamless tubes made from 20Cr13 stainless steel are typically specified by their outer diameter, wall thickness, and length. They are manufactured to meet various international standards, ensuring consistency and reliability in performance.
Key Features
- High Strength: Offers excellent tensile and yield strength.
- Corrosion Resistance: Provides moderate resistance to corrosion, making it suitable for various environments.
- Heat Resistance: Maintains structural integrity at elevated temperatures.
- Wear Resistance: High hardness contributes to its wear resistance.
- Machinability: Can be machined with relative ease compared to other stainless steels.
Chemical Composition
| Element |
Composition (%) |
| Carbon (C) |
0.16 - 0.25 |
| Chromium (Cr) |
12.0 - 14.0 |
| Manganese (Mn) |
≤ 1.00 |
| Silicon (Si) |
≤ 1.00 |
| Phosphorus (P) |
≤ 0.040 |
| Sulfur (S) |
≤ 0.030 |
Mechanical Properties
| Property |
Value |
| Tensile Strength |
550 - 750 MPa |
| Yield Strength |
≥ 275 MPa |
| Elongation |
≥ 15% |
| Hardness (HB) |
≤ 217 |
Steel Grade
20Cr13 is classified as a martensitic stainless steel, which is part of the 400 series of stainless steels. It is often referred to by its UNS designation, S42000.
Application
20Cr13 seamless stainless steel tubes are used in a variety of applications, including:
- Automotive: Components requiring high strength and wear resistance.
- Aerospace: Parts that must withstand high stress and temperature.
- Oil and Gas: Tubes used in drilling and extraction equipment.
- Industrial Machinery: Shafts, valves, and other components exposed to wear and corrosion.
Possible Alternative Grades
- 410 Stainless Steel: Offers similar properties but with slightly lower corrosion resistance.
- 420 Stainless Steel: Known for higher hardness and wear resistance.
- 430 Stainless Steel: Provides better corrosion resistance but lower strength.
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trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
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The company's production plant covers an area of over 10,000 square meters, with an annual production
capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
The group holds shares in more than ten domestic production entities, whose main products include
seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.
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