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Brand Name: | TORICH |
Model Number: | GB/T 31940 |
MOQ: | 1Ton |
Price: | Negotiable |
Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
Supply Ability: | 60000 Ton/Tons per Year |
The GB/T 31940 standard defines the requirements for bi-metal composite corrosion resistance steel pipe, specifically designed for fluid transportation applications. This article provides an overview of the material, specification, key features, chemical composition, mechanical properties, steel grade, application, and possible alternative grades of this innovative steel pipe.
Material | Bi-metal composite corrosion resistance steel |
---|---|
Specification | GB/T 31940 |
The chemical composition of GB/T 31940 bi-metal composite corrosion resistance steel pipe is detailed in the table below:
Element | Chemical Composition (%) |
---|---|
Carbon (C) | 0.05 - 0.12 |
Manganese (Mn) | 0.30 - 0.60 |
Silicon (Si) | 0.20 - 0.50 |
Chromium (Cr) | 0.50 - 1.00 |
Nickel (Ni) | 1.50 - 2.50 |
Phosphorus (P) | ≤ 0.030 |
Sulfur (S) | ≤ 0.030 |
The mechanical properties of GB/T 31940 bi-metal composite corrosion resistance steel pipe are as follows:
Property | Value |
---|---|
Tensile Strength (MPa) | ≥ 560 |
Yield Strength (MPa) | ≥ 390 |
Elongation (%) | ≥ 22 |
Impact Toughness (J/cm²) | ≥ 45 |
Hardness (HB) | ≤ 250 |
The GB/T 31940 standard specifies different steel grades for bi-metal composite corrosion resistance steel pipes. These grades are suitable for various fluid transportation applications, including but not limited to:
While GB/T 31940 bi-metal composite corrosion resistance steel pipe is a highly specialized material, there are some possible alternative grades that may be considered for specific applications. These include:
It is important to carefully evaluate the specific requirements of each application before selecting an alternative grade to ensure compatibility and optimum performance.
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.