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Swastik Pipes Limited

Swastik Pipes Limited
location Punjabi Bagh, Delhi

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Our Products

  1. Steel & Steel Products 3 Products available
  2. Metal & Metal Products 2 Products available
  3. Steel Coils 2 Products available
  4. Steel Pipes 2 Products available
  5. MS Pipes 1 Products available
  6. Hollow Sections 1 Products available
  7. Welded Pipes 1 Products available
  8. Galvanized Pipe 1 Products available
  9. Others Products 1 Products available

Steel & Steel Products

We are leaders in the market for providing best range of Cold Rolled Steel, Steel Tubular Sections, Hollow Steel Sections and Cold Rolled Strips

Cold Rolled Steel

Cold Rolled Steel
  • Strip Thickness 0.3mm to 3.2mm
  • Strip Width 12mm to 1250mm
  • Coil Weight 2-17 Kg/mm width
With the growing demand of cold rolled strips and sheets, SWASTIK PIPE LIMITED has started manufacturing CR coils and strips in year 2003 with annual capacity of 1 lac MT annum in various sizes and thickness.On line stringent quality checks ensure the tolerances and dimension for sophisticated applications, CR production plant consists of two 4 HI and one 6 HI cold rolling mills along with bell furnaces, Skin Pass, Slitting, cut to length and testing facilities.
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Steel Tubular Sections

Steel Tubular Sections
We manufacture and export hollow sections, structural hollow sections, hollow steel sections, square rectangular hollow sections, round hollow sections, mild steel black ERW square tubes, rectangular tubes & round hollow section tubes and hot rolled steel sections as per customer's requirement. These sections are available with anti rust oil coating from inside & outside to ensure safe delivery to end customers.
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Hollow Steel Sections

Hollow Steel Sections
The company is chiefly engaged in the manufacturing, exporting, and supplying of the highest grade Hollow Steel Sections all across the globe. Our Hollow Steel Sections are provided with anti-rust oil coating from inside and outside for ensuring their safe delivery. The wide range of Hollow Steel Sections is offered by us as per IS: 4923 standards and clients specification, at affordable prices. We Offer
  • Square Hollow Sections (SHS)
  • Rectangular Hollow Sections (RHS)
  • Round Hollow Sections
  • Mild Steel Black ERW Square Tubes
  • Rectangular Tubes
  • Round Hollow Section Tubes
  • Hot Rolled Steel Sections
Applications
  • Oil & Gas
  • Sugar
  • Metallurgical
  • Pharmaceutical
  • Pulp and paper
  • Chemical
  • Boilers
  • Railway Coaches
  • Fertilizer
  • Dairy & Food Products
  • Instrumentation
  • Ship
  • Automobile
  • Heat exchanger
Manufacturing Process
  • Step 1 Purchasing Raw Material (Steel/Skelp)Material received from SAIL / ESSAR Steel Ltd. / Lloyds / ISPAT or other any approved vendor. The steel shall be fully conformed to the API 5L / IS Standard Specification or as per Customers Specification. Testing/ Checking and Identification of Raw material shall be done as per API 5L / IS Standard Specification
  • Step 2 Edge Preparation & MillingEdges of Coil / Skelp are form in edge breaking unit at initial stage so that perfect forming is achieved at welding area. Strip edges are given mill cut on both sides with edge milling machine to make the edges clean and square for perfect butt welding with high frequency. It shall be done before passing the strip to forming process.
  • Step 3 Forming of PipeStrip is passed in number of horizontal rolls after edge breaking and form cages supported by vertical rolls to receive an open edge round tube before welding. At the final stage of forming, rolls are provided with guide fins to have a proper proportionate gap and correct entry in welding roll.
  • Step 4 High Frequency WeldingFinally the pipe shape performed after forming process, it passed through welding heads followed by the seam guide. The process of welding is based on ERW process. Electric welding shall be performed with a minimum welder frequency of 200 KHz. The fusion takes place through a roll assembly set for proper welding. Bead trimming shall be done as per API 5L / IS Standard or as per Customer Specification.
  • Step 5 Seam NormalizingNormalizing is carried out on weld and HAZ after welding at the temperature of 8500 C to 9000 C. The temperature of seam normalizing is monitored by a non contact indicator having the digital display along with recorder. Equipment: Seam Normalizer Capacity : 500 KW
  • Step 6SizingA set of sizing roll is ahead of cooling zone, water cooled pipe is passed through sizing rolls which control the Ovality and required dimensions, which is finally verified with measuring instruments as specified in relevant Specification.
  • Step 7 NDT Testing (Eddy Current)Eddy current testing is the process of inducing small electrical currents in an electrically conductive article and observing the resultant reaction between the magnetic fields involved. Equipment: Eddy Current Flaw Detector (PC based).
  • Step 8 Finishing of the PipesFinished pipe are cut to required length by cut of carriage. Thereafter both ends of pipes are beveled by the end facer. Finally each pipe are checked for its Outer diameter, Inner Diameter, Thickness, Straightness, and length.
  • Step 9 Hydro TestingAfter completing all the above process, all pipes transferred to the hydro testing bench. The test pressure shall be given to the pipes as per relevant specification or as per Customer Requirement.
  • Step 10 Galvanizing ProcessHydro Test passed pipes are send for Hot Dip Galvanizing confirming to various Indian Standard / International Standard.
  • Step 11 MarkingMarking on the pipes shall be paint stenciled as stipulated in API 5L/ IS Standard or as per the customers requirement, on each length of the pipe

Testing And Quality Control

Corrosion Test Conducted only on special request by customer.
Flange Test Confirm the cracks on the welded sections or on the base metal.
Bending Test Conducted to check the leakage at different preserver by Hydrostatic and pneumatic pressure test.
Flattening Test This test is conducted to check the strength of welded section. Welded section should bear this specified compression stress.
Reverse Flattening Test To confirm that there are no cracks or blow holes on the welded section.
Flaring Test (Flaring) test is performed to ensure the forming behavior of pipes. Pipe ends are expanded in a press to a diameter 1.2 times the outer diameter of pipe.
Eddy Current Test ASTME-426 This test is conducted to check the homogenates throughout the pipe length.
Radiographic TestOn demand, through approved inspection agency we can provide this test.
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