Profile Photo


  • Public Group
  • 2 months, 3 weeks ago
  • 7


  • 2


manufacturing process between welded tubing and hollow bar

Homepage Forums General Discussion 9999999999999 manufacturing process between welded tubing and hollow bar

This topic contains 1 voice and has 0 replies.
1 voice
0 replies
  • Author
    • #6956
      Kane Zoe

      When it comes to metal extruded aluminium tubing applications, selecting the best alloy can be difficult, especially given the vast array of stainless steel and metal alloy options that are now available. A coherent passive oxide film forms in stainless steel due to the presence of chromium, which serves as a corrosion barrier as well as an oxygen barrier, both of which contribute to the corrosion resistance of stainless steel. This requirement is met by stainless steels with a chromium content of at least 10. 5 percent; however, most stainless steel grades must contain at least 12 percent chromium to satisfy this requirement. Understanding and appreciating the various alloy series can help you make the best decision possible for your specific application if you have a good understanding and appreciation of them. A variety of stainless steel alloys are available, but the most commonly used are austenitic stainless steel, ferritic stainless steel, martensitic stainless steel, precipitation hardening (PH) stainless steel, duplex steel, and chromium stainless steel. Austenitic stainless steel is a type of stainless steel alloy that is used for a variety of applications.

      Nickel additions are made to the austenitic 300 series of stainless steel alloys in addition to chromium, the manufacturer claims, to improve ductility and corrosion resistance while maintaining strength and durability. Consequently, the ductility is increased, and the alloy’s austenitic crystal structure is maintained even at room temperature, resulting in improved corrosion resistance. stainless steel grades 304 and 316 are the most commonly encountered grades of stainless steel, with grades 304 being the most common. These are the most commonly used stainless steel grades, which are 304 and 316 stainless steel, respectively. It is used in the production of stainless steel products, and it is composed of stainless steels with nominal chromium contents of 18 percent and nominal nickel contents of 8 percent, which are designated as type 304 stainless steels, respectively. When it comes to stainless steels, chrome content in 316 stainless steels is approximately 16 percent, nickel content in 316 stainless steels is approximately 10%, and molybdenum content is approximately 2%. The nickel content in 316 stainless steels is approximately 10%, while the nickel content in 304 stainless steels is approximately 2%. In chloride and marine environments, the chromium oxide film becomes denser as a result of the molybdenum additions. This increases passivity while also improving pitting and crevice corrosion resistance, as well as improving overall corrosion resistance.

      It is possible that standard stainless steel alloys do not have the properties required for specialized applications. This is especially true for high-temperature applications. This is especially true for applications involving high temperatures. This is especially true in applications where high temperatures are involved, as previously stated. As previously stated, this is especially true in applications where high temperatures are involved. . Highly alloyed stainless steels are increasingly being used for high-stress applications such as aerospace and defense, which are becoming more common. There are many different types of stainless steels to choose from, including super austenitic, super ferritic, and super duplex stainless steels. As a result of their improved properties, these stainless steels are suitable for use in high-stress environments such as aerospace and defense applications, among other things. As a result of its superior biocompatibility, titanium tubing is an excellent choice for use in medical implants. When it comes to high-temperature, extreme corrosion, and wear-resistant applications, it is possible that cobalt or nickel-based alloys will be the only viable option if other materials are insufficient due to the circumstances. There are a number of distinct advantages to using copper-nickel or Monel® extruded aluminum tube in desalination and marine applications as opposed to other materials, such as stainless steel, in these applications. When high thermal conductivity or lightweight components are required, aluminum tubing may be the most appropriate material to use.

      For a metal tubing component under consideration, it is necessary to first determine its requirements for performance in the following steps of the selection process. These requirements include environmental, thermal, and mechanical characteristics. It is during this step that the material properties required for dependable service throughout the lifetime of the metal tubing component under consideration are identified and specified for the component under consideration. It is possible to compile a list of potential metal extruded aluminium pipe materials for consideration on the basis of the material property constraints that have been established.

      Austenitic stainless steels, such as 304, are used in a wide range of industries, including pharmaceuticals, power generation, and chemical processing, to name a few. Austenitic stainless steels are frequently the first materials to be considered for these types of applications, and this is especially true in the aerospace industry. Molybdenum-modified stainless steels of the 316 or even 317 grade are required for certain critical petroleum, chemical process, and marine applications that involve corrosive chloride gas media. Improvements in pitting and crevice corrosion resistance, as well as improved oxidation resistance, are provided by the molybdenum modification, which is critical in these applications. The development of stress cracking (SCC) in tubing components is possible when the tubing components are subjected to high levels of stress while also being exposed to corrosive environments. Using materials such as duplex, super austenitic, and high nickel (30 percent) stainless steels, among others, it is possible to achieve SCC resistance in these applications, and this is something that should be considered. Also of note is that these steels are highly recommended for use in these types of construction projects due to their exceptional corrosion resistance.

      It has been demonstrated that using aluminum and copper tubing as heat transfer materials outperforms the use of austenitic stainless steel in a variety of heat transfer applications such as those found in condensers, heat exchanger and other similar devices such as radiators and heat pumps. This is due to the high thermal conductivities of aluminum and copper tubing, both of which are used in this application and both of which contribute to the overall efficiency of the system. They should only be used in applications where the gas or liquid being used will not be corrosive to the metal in question; otherwise, they should be avoided altogether. Aluminum begins to lose its structural integrity when exposed to temperatures greater than 400 degrees Fahrenheit (200 degrees Celsius). Although copper-nickel alloys are expensive, their ability to withstand high temperatures is not hindered by their high cost, contrary to popular belief.

topic tags

You must be logged in to reply to this topic.

©2022 The Contractor Home


We're not around right now. But you can send us an email and we'll get back to you, asap.


Log in with your credentials


Forgot your details?

Create Account