NS111 NS411 Alloy Pipe
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super alloy Products Application
NS111 NS411 alloy Pipe Video
The alloy has good resistance to corrosion by HNO3, organic acids, oxidizing and non-oxidizing salts except halogen salts. In particular, it is resistant to high temperature corrosion and has good resistance to carburization. Intergranular corrosion will occur when the alloy is heated between 593 and 816, and it has good resistance to stress corrosion. However, long-term aging at 650 degrees may significantly reduce the stress corrosion sensitivity of the alloy. , In NaOH, NACL stress resistance depends on concentration and level. It has good resistance to stress corrosion cracking in water chloride, corrosion resistance to steam, air and carbon dioxide mixtures, and good resistance to organic acids such as HNO3, HCOOH, CH3COOH, CH3CH2COOH and other corrosion resistance. It will cause sensitization after heating and produce intergranular corrosion. It can only resist low-concentration sulfur and HCl corrosion. It has good corrosion resistance to organic acids and flowing seawater corrosion. However, it will produce corrosion on the surface in stagnant seawater. deposits and cause severe corrosion cracks. It has excellent stress corrosion resistance in water containing chloride and low concentration NAOH. It is widely used in manufacturing stress corrosion resistant equipment, replacing 18-8 austenitic steel, and is used in pressure water reactor evaporators and high temperature gas in the power industry. Cold reactor, sodium cooled fast reactor heat exchanger and superheated steam tube. In the chemical industry, it is used in HNO3 coolers, acetic anhydride cracking tubes and various heat exchange equipment.
super alloy Material Specification
| Chemical Composition | ||||||||||||||||
| % | C | Si | Mn | Cr | Ni | Al | Ti | Cu | P | S | Fe | |||||
| Min | 19 | 30 | 0.15 | 0.15 | 0.15 | |||||||||||
| Max | 0.1 | 1 | 1.5 | 23 | 35 | 0.6 | 0.6 | 0.75 | 0.03 | 0.015 | allowance | |||||
NS111 NS411 alloy Pipe
NS111 is a Fe-Ni-Cr-based solid solution strengthened deformation high-temperature corrosion-resistant alloy. It is used below 1000°C. Shanghai Yuanding believes that NS111 has excellent high-temperature corrosion resistance and good process performance, good structural stability, and is suitable for processing and welding. It has good performance and is easy to form using both hot and cold processing. It is suitable for making parts under harsh corrosive media conditions and requiring high temperature and long-term operation. It mainly includes rods, plates, tubes, strips, forged parts, etc.
NS411 corrosion-resistant alloys are mainly Hastelloy and Ni-Cu alloys. Since the metal Ni itself has a face-centered cubic structure, its crystallographic stability allows it to accommodate more alloying elements, such as Cr, Mo, etc. than Fe. Al, etc., to achieve the ability to resist various environments; at the same time, nickel itself has a certain resistance to corrosion, especially the ability to resist stress corrosion caused by chloride ions.
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FAQ
Q: Can you send samples?
A: Of course, we can send samples to all over the world, our samples are free, but customers need to bear the express cost.
Q: What shipping ports are there?
A: Generally, we ship from Tianjin Port, you can choose other ports according to your needs.
Q: About the product price?
Answer: Due to cyclical changes in raw material prices, prices vary in different periods.
Q: About the product price of NS111 NS411 alloy Pipe?
A: Due to cyclical changes in raw material prices, prices vary in different periods.
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