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EN 10216-5 is a European standard that specifies the technical delivery conditions for cold rolled seamless stainless steel tubes for pressure purposes. These tubes are intended for use in high pressure and high-temperature environments, and they offer excellent corrosion resistance and superior mechanical properties.
The standard covers various grades of stainless steel, including austenitic, ferritic, and duplex stainless steels. It outlines the requirements for dimensions, tolerances, surface conditions, and marking of the tubes.
The EN 10216-5 stainless steel tubes designed for cold rolling and seamless production possess several key features that make them suitable for pressure purposes:
The chemical composition of stainless steel in accordance with EN 10216-5 can vary depending on the specific grade. The table below presents the typical chemical composition range for the three main groups of stainless steels:
| Steel Grade | C % (Carbon) | Si % (Silicon) | Mn % (Manganese) | P % (Phosphorus) | S % (Sulfur) | Cr % (Chromium) | Ni % (Nickel) | Mo % (Molybdenum) | N % (Nitrogen) |
|---|---|---|---|---|---|---|---|---|---|
| Austenitic | 0.08 max | 1.00 max | 2.00 max | 0.045 max | 0.015 max | 16-18 | 11-14 | 2-3 | 0.10-0.16 |
| Ferritic | 0.02 max | 1.00 max | 1.00 max | 0.040 max | 0.015 max | 10.5-30 | N/A | N/A | N/A |
| Duplex | 0.03 max | 1.00 max | 2.00 max | 0.035 max | 0.015 max | 21-23 | 4.5-6.5 | 2.5-3.50 | 0.10-0.22 |
Note: The above values are indicative and may vary between different steel grades.
The mechanical properties of stainless steel tubes, as specified by EN 10216-5, are essential for determining their suitability for pressure purposes. The following table illustrates the typical mechanical properties for different steel grades:
| Steel Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| Austenitic | 500-750 | 200-500 | 35 min | 170 max |
| Ferritic | 400-550 | 200-300 | 25 min | 170 max |
| Duplex | 640-900 | 450 min | 25 min | 290 max |
Note: The values mentioned above are indicative and may vary depending on the specific steel grade and heat treatment.
EN 10216-5 stainless steel tubes are available in various grades, each with its unique properties and applications. Some commonly used steel grades, their typical application, and potential alternative grades are specified below:
Austenitic Stainless Steel:
Ferritic Stainless Steel:
Duplex Stainless Steel:
These alternative grades offer similar or enhanced properties, catering to specific requirements of different industries.
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.
