
ASTM A1053 S41003 Grade 50 Stainless Steel Tube Welded Ferritic-Martensitic Stainless Steel Pipe for General Purpose
Introduction
ASTM A1053 S41003 Grade 50 is a type of stainless steel tube that is specifically designed for general-purpose applications. This material is characterized by its ferritic-martensitic structure, which provides a balance of strength and corrosion resistance. It is commonly used in various industries, including oil and gas, chemical processing, and power generation.
Material Specification
The ASTM A1053 specification covers the requirements for welded ferritic-martensitic stainless steel pipes. These pipes are manufactured to meet specific mechanical and chemical properties, ensuring their suitability for a wide range of applications.
Key Features
- Corrosion Resistance: Offers good resistance to oxidation and corrosion.
- High Strength: Provides excellent mechanical properties, making it suitable for high-stress applications.
- Weldability: Designed for ease of welding, allowing for versatile fabrication options.
- Temperature Resistance: Maintains mechanical properties at elevated temperatures.
Chemical Composition
Element |
Composition (%) |
Carbon (C) |
≤ 0.03 |
Manganese (Mn) |
0.50 - 1.00 |
Phosphorus (P) |
≤ 0.025 |
Sulfur (S) |
≤ 0.015 |
Silicon (Si) |
≤ 1.00 |
Chromium (Cr) |
11.0 - 13.0 |
Nickel (Ni) |
0.50 - 1.50 |
Molybdenum (Mo) |
0.00 - 0.50 |
Iron (Fe) |
Balance |
Mechanical Properties
Property |
Value |
Yield Strength (min) |
345 MPa (50 ksi) |
Tensile Strength (min) |
620 MPa (90 ksi) |
Elongation (min) |
20% |
Hardness (max) |
200 HB |
Steel Grade
- S41003 Grade 50: This grade is specifically formulated to meet the requirements of ASTM A1053, ensuring that it possesses the necessary mechanical and chemical properties for general-purpose applications.
Application
The ASTM A1053 S41003 Grade 50 stainless steel tube is widely used in:
- Oil and gas pipelines
- Chemical processing equipment
- Power generation systems
- Structural applications in construction
Possible Alternative Grades
While ASTM A1053 S41003 Grade 50 is a robust choice for many applications, there are alternative grades that may also be considered based on specific requirements:
- ASTM A312 TP 304: Austenitic stainless steel with excellent corrosion resistance.
- ASTM A790 S31803: Duplex stainless steel offering high strength and corrosion resistance.
- ASTM A276 410: Martensitic stainless steel suitable for applications requiring high strength.





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The group holds shares in more than ten domestic production entities, whose main products include
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Over the past 30 years, the company has been gradually developing new technologies and materials to meet
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