Paal Metal India https://paalmetal.com Ferrous & Non Ferrous Metals Mon, 25 Nov 2019 05:01:36 +0000 en-US hourly 1 https://wordpress.org/?v=5.4.2 What do Pipe Schedules Mean? https://paalmetal.com/what-do-pipe-schedules-mean Mon, 25 Nov 2019 10:29:01 +0000 https://iwsworld.com/deepaksteel/?p=1153 Do you hear the name pipe schedule? And worried about that? If you are going to purchase or order the pipes & tubes for your application then you come across the term pipe schedule, which is one the important pipe physical property. On the basis of this, you can select and purchase the required pipes...

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]]> Do you hear the name pipe schedule? And worried about that? If you are going to purchase or order the pipes & tubes for your application then you come across the term pipe schedule, which is one the
important pipe physical property. On the basis of this, you can select and purchase the required pipes for your application. In this article, we discussed what do you mean by pipe schedule? and different types of
schedules used in metal and manufacturing industries.

What is Pipe Schedules Mean?
Pipe Schedule is the term used to describe the thickness of the pipe. This is mainly indicated the wall
thickness of pipe with different internal pipe bore diameter. On the other hand, the outside diameter of
pipes is similar for a particular nominal pipe diameter. The pipe schedules are specified by different
industrial standards including ANSI, ASME, and API. The most commonly used pipe schedules are:

  • Schedule 5
  • Schedule 10
  • Schedule 20
  • Schedule 30
  • Schedule 40
  • Schedule 60
  • Schedule 80
  • Schedule 100
  • Schedule 120
  • Schedule 140 & more.

Definition of Pipe Schedule

The pipe schedule number indicates the calculated value of equation 1000 x (P/S). In which P is known as service pressure and S is allowable stress both are in psi (pounds per square inches). Let’s see the proper mathematical expression with examples.

Schedule Number = 1000 x (P/S)
Where, P = internal working pressure, (psi)
S = allowable stress (psi) of the material of construction at working conditions.

Example: Find-out the schedule number of pipe having working pressure 375 psi and allowable stress
10,000 psi?
Schedule Number = 1000 * (375/10,000) = 37.5 (approx. 40)

In this way, you can calculate the required pipe schedule for your application. Schedule Number 40 is the
most commonly used pipes in several industries like marine piping, industrial piping, processing
industries, and oil & gas refineries.

Pipe Schedule for Stainless Steel Pipe

Stainless Steel Pipes are most commonly used in the piping system. They are costly compared to carbon steel pipes due to excellent corrosion resistance properties. There are different types of schedule Stainless Steel Pipes are used in many industries. If you want to learn more about the pipe schedule or need any other information related to pipes, then feel free to contact us.

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]]> Difference between ANSI and ASME Flanges? https://paalmetal.com/difference-between-ansi-and-asme-flanges Tue, 14 May 2019 19:11:59 +0000 https://iwsworld.com/deepaksteel/?p=178 The ANSI and ASME terms are most common in metal industries. But many people still don’t know the exact difference between ANSI and ASME. They thought that both ASME & ANSI Flanges are the same and there is no difference between them. But that’s not right. In this article, we clearly understand the difference between...

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The ANSI and ASME terms are most common in metal industries. But many people still don’t know the exact difference between ANSI and ASME. They thought that both ASME & ANSI Flanges are the same and there is no difference between them. But that’s not right. In this article, we clearly understand the difference between ANSI and ASME Flanges. 

ANSI and ASME Flanges are the standard flanges designed with specific rules and conditions stated by ASME and ANSI standards. We will see each in detail and then discussed the main difference between them 

ANSI Flanges

ANSI Flange is abbreviations of the American National Standards Institute, a private and non-profit organization focusing to make uniformity in voluntary standards used in engineering disciplines. From ANSI’s mission and vision, we can clearly see the organization working for national as well as global industrial standards. The ANSI is more focus on products, systems, services, and resources of the United States. ANSI founded on 14th May 1918 by corporations, government agencies, organizations, and academic fields. 

ASME Flanges

ASME Flange is abbreviations of the American Society of Mechanical Engineers, a non-profit and private organization created for bringing uniformity in voluntary standards used in engineering and industrial disciplines. The ASME is mainly focused on setting codes and standards for mechanical devices. They founded in 1880, after the numerous steam boiler and pressure vessel explosion in various parts of the world.

Difference between ANSI and ASME Flanges

  • ANSI Flanges are manufactured based on standards developed by organizations and ASME Flanges are based on codes and standards for mechanical devices. 
  • The ANSI Flanges are designed based on approx. 9500 standards whereas ASME Flanges manufactured on 600 codes and standards for different mechanical devices.
  • ANSI Flanges are work to strengthening the position of U.S. Market in the global market, as long as ASME Flanges works to find solutions to real-time mechanical engineering problems. 

If you want to learn more about these ANSI and ASME Flanges the Contact Us today. We provide complete information for free. 

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]]> What is the difference between SS304 and SS316? https://paalmetal.com/difference-between-ss304-and-ss316 Tue, 14 May 2019 19:05:18 +0000 https://iwsworld.com/deepaksteel/?p=171 Stainless Steel is one of the most commonly used metals in metal and manufacturing industries. There is no substitute metal other than stainless steel. The Stainless Steel is an alloy of iron with a minimum of 10.5% chromium which offers excellent strength and corrosion resistance over a wide range of temperatures. By changing the chromium...

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]]> Stainless Steel is one of the most commonly used metals in metal and manufacturing industries. There is no substitute metal other than stainless steel. The Stainless Steel is an alloy of iron with a minimum of 10.5% chromium which offers excellent strength and corrosion resistance over a wide range of temperatures. By changing the chromium and nickel percentage in steel products different types of SS grades are form. In this article, we discussed what is the difference between SS 304 and SS 316? 

SS 304 & SS 316 Products & Applications 

Stainless Steel 304 and Stainless Steel 316 is extensively used to produce various types of products such as pipes, tubes, sheets, plates, pipe fittings, flanges, fasteners and many more. These SS products are highly demanded in many industries including:

  • Paper & Pulp production
  • Shipbuilding
  • Heat exchangers
  • Pharmaceuticals 
  • Marine piping
  • Power generation
  • Processing industries and more. 

Stainless Steel 304 and Stainless Steel 316

Stainless Steel is mainly contained chromium and nickel as the main metal and addition of other metal depending on materials grades. In type 304 Stainless Steel has 18% chromium and 8% nickel while Stainless Steel 316 contains 16% chromium and 10% nickel with additional molybdenum. The additional molybdenum improves the corrosion resistance of type 316.

304 Stainless Steel is the most versatile and commonly used stainless steel contains chromium-nickel with low carbon alloy. This low carbon offers good forming and welding characteristics than 316 Stainless Steel.  Due to this, type 304 Stainless Steel helps in making pressure vessels, tubing, and piping & storage tanks. 

Similarly, the austenitic stainless steel 316 has excellent heat resistance and corrosion resistance properties due to more nickel content and additional molybdenum. Stainless Steel 304 also offers good resistance to both corrosion as well as heat. The resistance to corrosion and heat by Stainless Steel 316 is much better than Stainless Steel 304 for various chemicals. 

The last and most important point i.e. price. Type 316 has offered more benefits than type 304 stainless steel but the cost will be much higher for 316 Stainless Steel. Due to this, Stainless Steel 316 products are also costly compared to type SS304.

If you are looking to buy any Stainless Steel 304 or Stainless Steel 316 products, please contact us and get a free estimation. 

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