
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.





TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
credibility among domestic and foreign customers.
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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