TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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EN 10217-7 specifies the technical delivery conditions for welded steel tubes of circular cross-section, used for pressure purposes. The standard covers various grades of stainless steel, including X2CrNi18-9, X2CrNi19-11, X2CrNiN18-10, X5CrNi18-10, and X6CrNiTi18-10. These grades are known for their excellent corrosion resistance, high strength, and good weldability, making them suitable for a wide range of applications.
| Grade | C (max) | Si (max) | Mn (max) | P (max) | S (max) | Cr | Ni | N (max) | Ti (max) |
|---|---|---|---|---|---|---|---|---|---|
| X2CrNi18-9 | 0.03 | 1.00 | 2.00 | 0.045 | 0.015 | 17.0-19.0 | 8.0-10.0 | 0.11 | - |
| X2CrNi19-11 | 0.03 | 1.00 | 2.00 | 0.045 | 0.015 | 18.0-20.0 | 10.0-12.0 | 0.11 | - |
| X2CrNiN18-10 | 0.03 | 1.00 | 2.00 | 0.045 | 0.015 | 17.0-19.0 | 8.0-10.0 | 0.10-0.16 | - |
| X5CrNi18-10 | 0.07 | 1.00 | 2.00 | 0.045 | 0.015 | 17.0-19.0 | 8.0-10.5 | - | - |
| X6CrNiTi18-10 | 0.08 | 1.00 | 2.00 | 0.045 | 0.015 | 17.0-19.0 | 10.0-12.0 | - | 5xC-0.70 |
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| X2CrNi18-9 | ≥ 200 | 500-700 | ≥ 40 | ≤ 215 |
| X2CrNi19-11 | ≥ 200 | 500-700 | ≥ 40 | ≤ 215 |
| X2CrNiN18-10 | ≥ 220 | 520-720 | ≥ 40 | ≤ 215 |
| X5CrNi18-10 | ≥ 190 | 500-700 | ≥ 40 | ≤ 215 |
| X6CrNiTi18-10 | ≥ 190 | 500-700 | ≥ 35 | ≤ 215 |
The steel grades covered under EN 10217-7 include:
These grades are primarily austenitic stainless steels, known for their excellent mechanical properties and corrosion resistance.
These stainless steel tubes are used in various pressure applications, including:
Depending on the specific requirements, the following alternative grades may be considered:
These alternative grades can be selected based on the specific environmental conditions and mechanical requirements of the application.
Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.