3 Inch GB/T12771 DIN11850 Welded Stainless Steel Pipe 470mm Diameter 68mm
3 Inch Stainless Steel Pipe GB/T12771 DIN11850 Welded Stainless Steel Pipe 470mm Diameter 68mm
Material
The 3-inch stainless steel pipe described in this article is manufactured according to the GB/T12771 and DIN11850 standards. It is a welded stainless steel pipe with a diameter of 470mm and a thickness of 68mm.
Specification
The specifications of the 3-inch stainless steel pipe are as follows:
- Standard: GB/T12771, DIN11850
- Diameter: 470mm
- Thickness: 68mm
- Material: Stainless Steel
Chemical Composition
The chemical composition of the stainless steel used in the 3-inch pipe is as follows:
| Element | Composition (%) |
|---|---|
| Carbon | <= 0.08 |
| Silicon | <= 1.00 |
| Manganese | <= 2.00 |
| Phosphorus | <= 0.045 |
| Sulfur | <= 0.030 |
| Chromium | 16.00 - 18.00 |
| Nickel | 10.00 - 14.00 |
| Nitrogen | <= 0.10 |
Mechanical Properties
The mechanical properties of the 3-inch stainless steel pipe are as follows:
| Property | Value |
|---|---|
| Tensile Strength | 520 MPa |
| Yield Strength | 205 MPa |
| Elongation | 40% |
| Hardness (Rockwell C) | 25 |
Steel Grade
The stainless steel pipe described in this article belongs to the steel grade defined by the GB/T12771 and DIN11850 standards. It is commonly referred to as 3-inch stainless steel pipe.
Application
The 3-inch stainless steel pipe with a diameter of 470mm and a thickness of 68mm finds application in various industries where corrosion resistance, durability, and high strength are required. Some common applications of this pipe include:
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Industrial Piping Systems: The pipe is used in industrial settings for transporting fluids, gases, and chemicals.
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Construction: It is utilized in construction projects for structural support, such as in columns, beams, and trusses.
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Oil and Gas Industry: The pipe is suitable for oil and gas exploration, production, and refining processes due to its resistance to corrosion and high-pressure environments.
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Food and Beverage Industry: The stainless steel pipe is widely used in the food and beverage industry for hygienic fluid transportation and processing.
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Chemical Processing: It is employed in chemical plants for transporting corrosive chemicals and liquids ely.
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Water Treatment: The pipe is utilized in water treatment plants for conveying water and other fluids.



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.
Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
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.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
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.
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