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EN 10312 X2CrNi18-9 1.4307 Stainless Steel Welded Tubes For Liquid Transport
1.4307 Stainless Steel Welded Tubes
,Liquid Transport Stainless Steel Welded Tubes
,EN 10312 Stainless Steel Welded Tubes
EN 10312 X3CrTi17 (1.4510); X3CrNb17 (1.4511); X2CrMoTi18-2 (1.4521); X2CrNi18-9 (1.4307); X2CrNi19-11 (1.4306) Stainless Steel Tube Welded Stainless Steel Pipe for Liquid Transport
Material
The stainless steel grades mentioned are specifically designed for welded pipes used in liquid transport applications. They exhibit excellent corrosion resistance, high strength, and good weldability, making them suitable for various industrial applications.
Specification
These stainless steel tubes and pipes conform to the EN 10312 standard, which outlines the requirements for welded stainless steel pipes intended for the transport of liquids. The specifications ensure that the materials meet the necessary mechanical and chemical properties for safe and efficient use.
Key Features
- Corrosion Resistance: Excellent resistance to various corrosive environments.
- Weldability: Designed for easy welding without compromising mechanical properties.
- Strength: High tensile and yield strength suitable for demanding applications.
- Durability: Long service life even in harsh conditions.
Chemical Composition
| Steel Grade | C (%) | Cr (%) | Ni (%) | Mo (%) | Ti (%) | Nb (%) |
|---|---|---|---|---|---|---|
| X3CrTi17 (1.4510) | 0.08 max | 16.0 - 18.0 | 0.0 - 0.5 | 0.0 | 4.0 - 5.0 | 0.0 |
| X3CrNb17 (1.4511) | 0.08 max | 16.0 - 18.0 | 0.0 - 0.5 | 0.0 | 0.0 | 0.5 - 1.0 |
| X2CrMoTi18-2 (1.4521) | 0.08 max | 17.0 - 19.0 | 0.0 - 0.5 | 2.0 - 3.0 | 4.0 - 5.0 | 0.0 |
| X2CrNi18-9 (1.4307) | 0.03 max | 17.0 - 19.0 | 8.0 - 10.0 | 0.0 | 0.0 | 0.0 |
| X2CrNi19-11 (1.4306) | 0.03 max | 17.0 - 19.0 | 9.0 - 12.0 | 0.0 | 0.0 | 0.0 |
Mechanical Properties
| Steel Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| X3CrTi17 (1.4510) | 280 | 600 | 40 | 200 |
| X3CrNb17 (1.4511) | 290 | 610 | 38 | 210 |
| X2CrMoTi18-2 (1.4521) | 300 | 620 | 35 | 220 |
| X2CrNi18-9 (1.4307) | 210 | 520 | 45 | 180 |
| X2CrNi19-11 (1.4306) | 220 | 530 | 40 | 190 |
Steel Grade
The steel grades X3CrTi17, X3CrNb17, X2CrMoTi18-2, X2CrNi18-9, and X2CrNi19-11 are commonly used in various applications due to their unique properties. Each grade has specific characteristics that make it suitable for different environments and uses.
Application
These stainless steel pipes are widely used in industries such as:
- Chemical Processing: For transporting corrosive liquids.
- Food and Beverage: Ensuring hygiene and safety in liquid transport.
- Pharmaceuticals: Meeting strict cleanliness and material standards.
- Oil and Gas: For transporting fluids in harsh environments.
Possible Alternative Grades
Depending on specific requirements, alternative stainless steel grades may include:
- AISI 304 (1.4301): General-purpose stainless steel with good corrosion resistance.
- AISI 316 (1.4401): Offers better corrosion resistance, especially in marine environments.
- AISI 321 (1.4541): Similar to 304 but with added titanium for improved high-temperature stability.
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