Round, Square and Rectangular Steel Tubes Size Ranges | dimensions | hot rolled Size Range | Pipe Size Ranges | Tube Size Range
api 5l pipe suppliers india

Round, Square and Rectangular Steel Tubes Size Ranges | dimensions | hot rolled Size Range | Pipe Size Ranges | Tube Size Range

Round, Square and Rectangular Steel Tubes Size Ranges | dimensions | hot rolled Size Range | Pipe Size Ranges | Tube Size Range

 Round, Square and Rectangular Steel Tubes Size Ranges | dimensions | hot rolled Size Range | Pipe Size Ranges | Tube Size Range

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HOT ROLLED SIZE RANGES


Round, Square and Rectangular Steel Tubes

We can do it!

Reliant Pipes manufactures and supplies various steel tubes and open profiles into the India market. Popular round, square and rectangular steel tubes are rolled and stocked at our branches in Mumbai and Chennai. Standard stock lengths on the majority of steel tubes are 6 meter lengths. Some application specific steel sections are stocked in different lengths. These include Conveyor Tubes (7.32 m), D-Sections (6.4m) and electrical conduit (4m). Standard sized lip channels are stocked in 6 meter and 9.145 meter lengths.

Though these are an indication to our standard stock lengths; hot- and cold rolled round, square and rectangle steel tubes as well as lip channels and open profiles can be rolled to size or cut-to-length for the customer. The cut to length and roll to size services prevents our customers from having scrap and increases their productivity.

The green fields in the tables indicate the popular sizes of steel tubes that Reliant Pipes manufactures. The tables are not an indication of our technical limits so please enquire with our sales staff should your desired size not be listed or not fall on a green field.

Click on a table to enlarge!

Hot Rolled Round Tube

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Hot Rolled Square Tube

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Hot Rolled Rectangular Tube

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Cold Rolled Round Tube

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Cold Rolled Square Tube

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Cold Rolled Rectangular Tube

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Plug Drawn TubeOnline Inquiry Form

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DIFFERENCE BETWEEN HOT ROLLED STEEL AND COLD ROLLED STEEL

Hot Rolled

Hot rolling is a mill process which involves rolling the steel at a high temperature (typically at a temperature over 1700° F), which is above the steel’s recrystallization temperature. When steel is above the recrystallization temperature, it can be shaped and formed easily, and the steel can be made in much larger sizes. Hot rolled steel is typically cheaper than cold rolled steel due to the fact that it is often manufactured without any delays in the process, and therefore the reheating of the steel is not required (as it is with cold rolled). When the steel cools off it will shrink slightly thus giving less control on the size and shape of the finished product when compared to cold rolled.

Uses: Hot rolled products like hot rolled steel bars are used in the welding and construction trades to make railroad tracks and I-beams, for example. Hot rolled steel is used in situations where precise shapes and tolerances are not required.

Cold Rolled
Cold rolled steel is essentially hot rolled steel that has had further processing. The steel is processed further in cold reduction mills, where the material is cooled (at room temperature) followed by annealing and/or tempers rolling. This process will produce steel with closer dimensional tolerances and a wider range of surface finishes. The term Cold Rolled is mistakenly used on all products, when actually the product name refers to the rolling of flat rolled sheet and coil products.

When referring to bar products, the term used is “cold finishing”, which usually consists of cold drawing and/or turning, grinding and polishing. This process results in higher yield points and has four main advantages:

  • Cold drawing increases the yield and tensile strengths, often eliminating further costly thermal treatments.
  • Turning gets rid of surface imperfections.
  • Grinding narrows the original size tolerance range.
  • Polishing improves surface finish.

All cold products provide a superior surface finish, and are superior in tolerance, concentricity, and straightness when compared to hot rolled.

Cold finished bars are typically harder to work with than hot rolled due to the increased carbon content. However, this cannot be said about cold rolled sheet and hot rolled sheet. With these two products, the cold rolled product has low carbon content and it is typically annealed, making it softer than hot rolled sheet.

Uses: Any project where tolerances, surface condition, concentricity, and straightness are the major factors.


 


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 Round, Square and Rectangular Steel Tubes Size Ranges | dimensions | hot rolled Size Range | Pipe Size Ranges | Tube Size Range

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 Round, Square and Rectangular Steel Tubes Size Ranges | dimensions | hot rolled Size Range | Pipe Size Ranges | Tube Size Range

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