DIN 2463 1.4301 Austenitic Stainless Steel Pipe Welded Stainless Steel Pipes For General Purpose
DIN 2463 1.4301 X5CrNi18-9 Austenitic Stainless Steel Pipe
Welded Stainless Steel Pipes for General Purpose
Material
DIN 2463 1.4301, commonly known as X5CrNi18-9, is an austenitic stainless steel that is widely used in various applications due to its excellent corrosion resistance, good weldability, and formability. This grade is particularly suitable for welded pipes used in general-purpose applications.
Specification
The specification for DIN 2463 outlines the requirements for welded stainless steel pipes, including dimensions, tolerances, and mechanical properties. This standard ensures that the pipes meet the necessary quality and performance criteria for industrial applications.
Key Features
- Corrosion Resistance: Excellent resistance to a wide range of corrosive environments.
- Weldability: Good weldability, making it suitable for fabrication and construction.
- Formability: Can be easily formed into various shapes and sizes.
- Temperature Resistance: Maintains strength and toughness at elevated temperatures.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.07 |
| Manganese (Mn) | 2.00 - 2.50 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Silicon (Si) | ≤ 1.00 |
| Chromium (Cr) | 17.00 - 19.00 |
| Nickel (Ni) | 8.00 - 10.50 |
| Iron (Fe) | Balance |
Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (Rp0.2) | ≥ 210 MPa |
| Tensile Strength (Rm) | 480 - 620 MPa |
| Elongation (A) | ≥ 40% |
| Hardness (HB) | ≤ 200 |
Steel Grade
- DIN 2463: This standard specifies the requirements for welded stainless steel pipes.
- X5CrNi18-9: This is the material designation according to the EN standard, indicating its composition and properties.
Application
DIN 2463 1.4301 X5CrNi18-9 stainless steel pipes are used in various applications, including:
- Chemical processing
- Food and beverage industry
- Pharmaceutical manufacturing
- Oil and gas industry
- Water treatment plants
Possible Alternative Grades
While DIN 2463 1.4301 is widely used, there are alternative grades that may be suitable for specific applications:
- 1.4401 (X5CrNiMo17-12-2): Offers improved corrosion resistance, especially in chloride environments.
- 1.4541 (X6CrNiTi18-10): Provides better resistance to intergranular corrosion due to titanium stabilization.
- 1.4307 (X5CrNi18-10): A low-carbon variant that reduces the risk of carbide precipitation during welding.
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