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Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Contact name:Richard SHEN
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GOST 9941-81 is a Russian industry standard that specifies the requirements for alloy steel seamless warm-deformed tubes used in corrosion-resistant applications. This standard ensures the quality and performance of the pipes, making them suitable for use in various industrial sectors. In this article, we will delve into the material, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades of GOST 9941-81 alloy steel pipes.
GOST 9941-81 alloy steel pipes are manufactured using high-quality materials that undergo seamless warm-deformation processes. This ensures that the pipes have excellent resistance to corrosion, making them ideal for applications where exposure to corrosive environments is expected. The standard specifies the following requirements for the pipes:
GOST 9941-81 alloy steel pipes offer several key features that make them highly suitable for corrosion-resistant applications. These features include:
| Element | Chemical Composition (% weight) |
|---|---|
| Carbon | 0.08 - 0.15 |
| Silicon | 0.17 - 0.37 |
| Manganese | 0.4 - 0.7 |
| Chromium | 0.9 - 1.2 |
| Molybdenum | 0.15 - 0.25 |
| Nickel | 0.3 - 0.7 |
| Phosphorus | ≤ 0.025 |
| Sulfur | ≤ 0.025 |
| Copper | ≤ 0.3 |
Titanium and aluminum may also be present in trace amounts.
| Property | Value |
|---|---|
| Tensile Strength | 590 - 690 MPa |
| Yield Strength | ≥ 390 MPa |
| Elongation | ≥ 20% |
| Impact Toughness | ≥ 39 J/cm² |
| Hardness | ≤ 229 HB |
GOST 9941-81 specifies a steel grade that meets the required chemical composition and mechanical properties. This ensures the pipes' suitability for corrosion-resistant applications. The specific steel grade is determined by the manufacturer and will vary based on their production processes.
GOST 9941-81 alloy steel pipes find application in various industries that require resistance to corrosion. Some of the common applications include:
Although GOST 9941-81 specifies a specific steel grade, there might be alternative grades available in the market that comply with similar requirements and provide comparable performance. Manufacturers and users of these pipes should consult with experts to explore alternative grades that best suit their specific application needs.
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.
