Zenith Birla (India) Ltd.

 

Neelcon Steel Industries is a professional stockist supplier, mainly engaging on manufacturing various Pipes Tubes. We are the proud member of MASSMA that depicts our sound networking in the market and ability to grow profusely. Our steel pipe is widely used in automotive, spinning machine, ship building, industrial boiler, hydralic system, lifting etc. If you can not find your application on following main applications, you can send your industry field to your engineers who will customize better suitable steel pipe for you !

Neelcon Steel is Leading Exporters of Zenith Steel Pipes Zenith Steel Pipes

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Zenith Steel Pipes

Erw Pipes Hollow Section Pipes Pr-Gal Pipes & Sections Spiral Pipes
Zenith Steel Pipes Zenith Steel Pipes Zenith Steel Pipes Zenith Steel Pipes

Zenith Erw Pipes

ERW Pipes Manufacturing Process

ERW pipe is formed from hot-rolled coil produced in steel mill. All the incoming coils are verified based on the test certificate received from steel mill for their chemistry and mechanical properties.Zenith Steel Pipes

The forming stage of ERW pipe begins with a single-width strip. The width of strip is roughly equal to the perimeter of the pipe to be produced. The edges of coil are sheared to pre-specified widths in slitting line.

The process involves uncoiling & leveling of coils and processing the same. The lead end of each coil is squared by shearing operation for threading into the mill. Then this end is joined with coil end of outgoing coil to maintain continuity in production and reduce losses.

To maintain continuity of production, it is accumulated in an accumulator/loop pit. It is then gradually and continuously formed into a circular shape by shaped rolls as per the required diameter in forming stands arranged in tandem. In the welding stand, edges of formed strip are pre heated by High Frequency Electrical Induction heating process to the desired temperature, which are mechanically pressed together horizontally to form continuous weld seam. This welding process does not need any filler metal. Instead, the welding pressure causes some of the metal to be squeezed from the joint, forming a bead of metal on inside and outside of the tube. This bead or welding flash is trimmed during the process. The weld seam is examined and adjusted as per the weld parameters, including temperature and outside diameters. The weld area of the string of the pipe so welded is then annealed, as per customer's specification by induction heating process, to get fine grain structure in weld area. It is then cooled in open followed by water quenching. Subsequently pipe string passes through sizing stands to obtain perfect roundness and diameter. The pipes are non-destructively tested by Eddy Current Process to detect any flaw in weld or otherwise as per customers requirement.

During production, online visual inspection is also carried out for surface defects, diameter accuracy, ovality and weld bead shape. Required sample rings as per specification are cut to carry out mechanical testing of weld and body e.g. flattening test, bend test etc. All pipes are then processed in finishing and testing area 
for pipe end preparation i.e. Facing/Beveling followed by hydrostatic pressure testing as per specification.

Individual pipe is then visually inspected for the parameters specified in the specification before offering to the customer's inspection, if any. Data of all tests is re-verified and submitted to the customers.

BLACK PIPES - On acceptance, all pipes are marked and/or paint stenciled as per the order requirements, packed in bundles before shifting in the storage yard. Pipes are then loaded on trailers or trucks and dispatched to the customer's site. These pipes can also be supplied with black paint/oiling &/or threading.

GALVANISED PIPES - the accepted pipes are washed in solution of caustic soda tank followed by pickling by hydrochloric acid of suitable concentration to remove oxides on pipe surface & is then dipped in fluxing tank. Pipes are then preheated & dipped in molten zinc bath. Pipes are then pulled out from the bath & wiped externally & internally for uniform & smooth zinc coating. Pipes are then cooled in quenching tank followed by passivation. Pipe ends are then threaded as per specification, if any, inspected for coating & threading defects, physical dimensions & condition before stenciling & packing.

Photos Gallery

Zenith Erw Pipes Hollow Sections Manufacturing Process Zenith Erw Pipes Hollow Sections Manufacturing Process Zenith Erw Pipes Hollow Sections Manufacturing Process

 

Product Range of ERW Pipes

We can manufacture ERW Pipes in the following range:

  • Pipe Diameter: 1/2" to 8"
  • Thickness: 2 mm to 8 mm
  • Length: As per customer's requirement (Maximum upto 12 meters)
  • Capacity
  •                                                         >> For Black Pipes: 2,10,000 MT / Annum
    >> For Galvanised Pipes: 1,50,000 MT / Annum

**ZBIL can supply above ERW Pipes Bare or Black or Galvanised

Applications of ERW pipes

  • Agriculture and Irrigation Water Distribution, Sprinklers, Drill Rods, Bore-well etc.
  • Construction Water Distribution, Fire Fighting System, Chilled Water System etc.
  • Structural Scaffolding and Props, Space Frames, Fence, Green House etc.
  • Industrial General Engineering, Container making, Auto Industry etc.
  • Oil Sector Distribution of Gas, Crude, products.
  • Electricity Conduits, poles, Transmission tower etc.

Zenith Hollow Sections Pipes

Hollow Sections Manufacturing ProcessZenith Steel Pipes

Hollow section is formed from hot-rolled coil produced in steel mill. All the incoming coils are verified based on the test certificate received from steel mill for their chemistry and mechanical properties.

The forming stage of Hollow Section begins with a single-width strip. The width of strip is roughly equal to the perimeter of the pipe to be produced. The edges of coil are sheared to pre-specified widths in slitting line.

The process involves uncoiling & leveling of coils and processing the same. The lead end of each coil is squared by shearing operation for threading into the mill. Then this end is joined with coil end of outgoing coil to maintain continuity in production and reduce losses.

To maintain continuity of production, it is accumulated in an accumulator/loop pit. It is then gradually and continuously formed into a circular shape by shaped rolls as per the required diameter in forming stands arranged in tandem. In the welding stand, edges of formed strip are pre heated by High Frequency Electrical Induction heating process to the desired temperature, which are mechanically pressed together horizontally to form continuous weld seam. This welding process does not need any filler metal. Instead, the welding pressure causes some of the metal to be squeezed from the joint, forming a bead of metal on inside and outside of the tube. This bead or welding flash is trimmed during the Zenith Steel Pipesprocess. The weld seam is examined and adjusted as per the weld parameters, including temperature and outside diameters. Subsequently pipe string passes through shaping stands to produce square or rectangular section before it is cut to required length as per customer's requirement or relevant specification.

During production, online visual inspection is also carried out. Deburring of all the sections are carried out. All sections are marked and/or paint stenciled as per the order requirements, packed in bundles before shifting in the storage yard. Sections are then loaded on trailers or trucks and dispatched to the customer's site. These sections can also be supplied with black paint/oiling as per customer's requirements.

Applications of Hollow Sections

  • Agricultural implement frames
  • Amusement park and equipmentsZenith Steel Pipes
  • Automobile chassis
  • Bridges
  • Bus stands
  • Conveyor gantries, trestles
  • CranesZenith Steel Pipes
  • Drilling rigs
  • Exhibition stalls
  • Furniture, partition frames
  • Guard rails, staircases
  • Industrial lifting equipment
  • Industrial shedsZenith Steel Pipes
  • Large span portal frame
  • Material storage racks
  • Mine roof support system
  • Pallets
  • Pedestrian walkover (foot over bridge)
  • Sign supporting structureZenith Steel Pipes
  • Space frames
  • Sports galleries
  • Transmission line tower
  • Trolleys
  • Truck and bus body members
  • Trusses, columns and purlins etc

Product Range of Hollow Sections


We can manufacture Hollow Sections in the following range:

Rectangular Hollow Sections Square Hollow Sections
Size (mm x mm) Thickness (mm) Size (mm x mm) Thickness (mm)
50 X 25 1.60 25 X 25 1.60
2.00 2.00
2.60 2.60
3.20 2.90
4.00 3.20
4.50 4.00
60 X 40 1.60 4.50
2.00 32 X 32 1.60
2.60 2.00
3.20 2.60
4.00 2.90
4.50 3.20
66 x 33 1.60 4.00
2.00 4.50
2.60 38 X 38 1.60
3.20 2.00
4.00 2.60
4.50 2.90
80 x 40 1.60 3.20
2.00 4.00
2.60 4.50
3.20 40 X 40 1.60
4.00 2.00
4.50 2.60
80 X 60 1.60 2.90
2.00 3.20
2.60 4.00
3.20 4.50
4.00 50 X 50 1.60
4.50 2.00
96 X 48 1.60 2.60
2.00 2.90
2.60 3.20
3.20 3.60
4.00 4.50
4.50 60 X 60 1.60
122 X 61 1.60 2.00
2.00 2.60
2.60 2.90
3.20 3.20
4.00 4.00
4.50 4.50
120 X 60 1.60 72 X 72 1.60
2.00 2.00
2.60 2.60
3.20 2.90
4.00 3.20
4.50 4.00
145 X 82 1.60 4.80
2.00 80 X 80 1.60
2.60 2.00
3.20 2.60
4.00 2.90
4.50 3.20
150 X 100 1.60 4.00
2.00 4.50
2.60 91.5 X 91.5 1.60
3.20 2.00
4.00 2.60
4.50 2.90
5.40 3.20
172 X 92 1.60 4.00
2.00 4.50
2.60 100 X 100 1.60
3.20 2.00
4.00 2.60
4.50 2.90
5.40 3.20
200 X 100 3.20 4.00
4.00 4.50
5.00 113.5 X 113.5 1.60
6.00 2.00
7.00 2.60
8.00 2.90
220 X 140 3.20 3.20
4.00 4.00
5.00 4.50
6.00 132 X 132 2.00
7.00 2.60
8.00 3.20
240 X 120 3.20 4.00
4.00 4.50
5.00 5.40
6.00 150 X 150 2.00
7.00 2.60
8.00 3.20
9.00 4.00
10.00 4.50
260 X 180 3.20 5.00
4.00 6.00
5.00 7.00
6.00 180 X 180 2.60
7.00 3.20
8.00 4.00
9.00 4.50
10.00 5.00
300 X 150 3.20 6.00
4.00 7.00
5.00 8.00
6.00 220 X 220 2.60
7.00 3.20
8.00 4.00
9.00 4.50
10.00 5.00
300 X 200 4.00 6.00
5.00 7.00
6.00 8.00
7.00 250 X 250 2.60
8.00 3.20
9.00 4.00
10.00 4.50
5.00
6.00
7.00
8.00

Zenith Pre Galvanized Pipes

Pre Galvanized Manufacturing Process

Pre- Gal pipes & Sections are formed from pre-gal coil. All the incoming coils are verified based on the test certificate received from steel mill for their chemistry and mechanical properties.Zenith Steel Pipes

The forming stage of Hollow Section begins with a single-width strip. The width of strip is roughly equal to the perimeter of the pipe to be produced. The edges of coil are sheared to pre-specified widths in slitting line.

The process involves uncoiling & leveling of coils and processing the same. The lead end of each coil is squared by shearing operation for threading into the mill. Then this end is joined with coil end of outgoing coil to maintain continuity in production and reduce losses

To maintain continuity of production, it is accumulated in an accumulator/loop pit. It is then gradually and continuously formed into a circular shape by shaped rolls as per the required diameter in forming stands arranged in tandem. In the welding stand, edges of formed strip are pre heated by High Frequency Electrical Induction heating process to the desired temperature, which are mechanically pressed together horizontally to form continuous weld seam. This welding process does not need any filler metal. Instead, the welding pressure causes some of the metal to be squeezed from the joint, forming a bead of metal on inside and outside of the tube. This bead or welding flash is trimmed during the process. The weld seam is examined and adjusted as per the weld parameters, including temperature and outside diameters. The weld area is subsequently zinc coated by metalizing process. For sections, pipe string passes through shaping stands to produce square or rectangular section before it is cut to required length as per customer’s requirement or relevant specification.Zenith Steel Pipes

During production, online visual inspection is also carried out. Deburring of all the sections are carried out. All pipes & sections are marked and/or paint stenciled as per the order requirements, packed in bundles before shifting in the storage yard. Pipes & Sections are then loaded on trailers or trucks and dispatched to the customer’s site.

Applications of Pre Galvanized Pipes & Sections

  • Green House
  • Cable DuctZenith Steel Pipes
  • Galvanized Steel Fencings
  • Road Barriers
  • Parking Barriers
  • Temporary Fencings
  • Steel Gates & WindowsZenith Steel Pipes
  • Road Side Railings
  • Structural and fabrication work

Product Range of Pre Galvanized Pipes

We can manufacture Pre-Galvanised Pipes in the following range:

  • Pipe Diameter: 15.88 mm to 63.50 mmZenith Steel Pipes
  • Thickness: 0.8 mm to 1.5 mm
  • Length: As per customer's requirement (Maximum upto 8 meters)
  • Capacity: 20,000 MT / Annum

Product Range of Pre Galvanized Sections


We can manufacture Pre Galvanized Sections in the following range: 

Rectangular Hollow Sections Square Hollow Sections
Size (mm x mm) Thickness (mm) Size (mm x mm) Thickness (mm)
16 X 12 0.8 12 X 12 0.8
1 1
1.2 1.2
1.5 1.5
30 X 20 0.8 12.70 X 12.70 0.8
1 1
1.2 1.2
1.5 1.5
40 X 20 0.8 19.05 X 19.05 0.8
1 1
1.2 1.2
1.5 1.5
50 X 25 0.8 20 X 20 0.8
1 1
1.2 1.2
1.5 1.5
31.75 X 19.05 0.8 25 X 25 0.8
1 1
1.2 1.2
1.5 1.5
50.80 X 25.40 0.8 25.40 X 25.40 0.8
1 1
1.2 1.2
1.5 1.5
50 X 40 0.8 30 X 30 0.8
1 1
1.2 1.2
1.5 1.5
60 X 40 0.8 31.75 X 31.75 0.8
1 1
1.2 1.2
1.5 1.5
80 X 40 0.8 38 X 38 0.8
1 1
1.2 1.2
1.5 1.5
40 X 40 0.8
1
1.2
1.5
50 X 50 0.8
1
1.2
1.5
50.80 X 50.80
0.8
1
1.2
1.5

Zenith Spiral Pipes

Spiral Pipes Manufacturing

Introduction

Our manufacturing facility for helical submerged arc welded (HSAW) pipes employing electrical fusion welding is a state ofZenith Steel Pipes
the art facility to produce quality pipes. The spiral welded pipe mill is BYARD SPIRALMILL sdn. Bhd. make, along with the
other equipments provide the company with the superior technology and competent to deal with the best in the industry.

The pipe plant has a capacity to produce 70,000 MT of pipe per annum and can produce spirally welded pipes in the range of 18
inches (457 mm) to 100 inches (2540 mm) with maximum wall thickness of 1 inch (25.4 mm) & pipe length of 6 meters to 13
meters as per client’s requirement confirming to various national as well as international quality standards.

The uniqueness of our plant is that the whole unit is mobile & can be moved to the project site. This feature benefit our clients not only by reducing the transportation cost of pipes but it reduces the damage of pipes during transportation & also helps timely execution of the project by continuous & dedicated supply of pipes for the particular project.

Spiral Pipes Manufacturing Process

Spiral pipes are produced from hot rolled coils produced in steel plant. All the incoming coils are verified for its chemistry & Zenith Steel Pipes
mechanical properties as per the test certificate received from the steel plant tomeet specification requirements.

The Spiral Pipe manufacturing process involves setting of the mill entry line as per the calculated angle with respect to centre
line of pipe & forming cage to the required diameter. The coils are opened, leveled in leveler & end sheared to facilitate
joining of incoming & outgoing coils & joined by Submerged Arc Welding to maintain production continuity. Subsequently
it is guided & its edges are milled to get the desired edge. It is then formed at the forming table on the principle of three roll
bending to get the required diameter & auto SAW welded from inside. Since the strip is being fed continuously inside welding operation is also continuous. At about 180 degree phase, continuous outside auto SAW welding is carried out so that string of formed pipe is welded from both sides. It is then cut to the required length by Plasma equipment at the cut off equipment. Individual pipe is serially numbered for its traceability. During forming & welding, weld gap at inside welding is maintained by gap control unit to get adequate fusion from inside.

All the pipes are then inspected from inside as well as outside to find defect in the weld or body, diameter, forming defects etc. Pipes requiring rectification are manually rectified by manual welding &/or grinding depending on the nature of defect. Pipe ends are then beveled. Each pipe is then hydrostatically tested as per the calculated pressure; it is then inspected before offering to the customer’s inspectors. Accepted pipes are then paint stenciled as per the requirement before shifting it to the storage yard & subsequent dispatch.

Advantages of Spiral Pipes over Site Fabricated PipesZenith Steel Pipes

  • Spiral pipes are manufactured continuously from hot rolled steel coils & hence length of pipes can be maintained
    as per the customer’s requirement from 6 to 13 meters or more. However, fabricated pipes are 2 to 2.5 meters in length.
    Thus resulting into higher number of joints per kilometer of pipeline which results in higher lead time for laying the pipeline.
  • Higher laying cost due to increased number of joints.
  • Higher probability of leakages at joints.
  • Higher maintenance cost.
  • Dimensional accuracy i.e. Thickness Uniformity, Ovality, Straightness & diameter control is excellent in case of spiral pipes rather than manually bent & fabricated pipes at site.
  • Spiral pipes has uniform round periphery as against peaks at weld joints in case of site fabricated pipes.
  • Bursting pressure acts at a right angle to the axis of the pipe. Since, welds of spiral pipes are at an angle, these weld joints withstand higher bursting pressure as against longitudinal welds of the site fabricated pipes; hence spiral pipes can handle water hammer effect smoothly.
  • Spiral SAW pipe shows better weld strength than the basic raw material as against site fabricated pipes.Zenith Steel Pipes
  • Spiral pipe manufacturing has automatic weld gap control arrangement; hence it gives better control of
    weld parameters & quality.
  • In case of pipeline bursting due to material failure, the spiral weld seam acts as a crack propagation arrester.
  • Delivery of spiral pipes is much faster than site fabricated pipes.

Product Range of Spiral Pipes

We can manufacture Spirally Welded SAW Pipes in the following range:

  • Pipe Diameter: 18" to 100"
  • Thickness: 5.5 mm to 25.4 mm
  • Length: As per customer's requirement (Maximum upto 13 meters)
  • Capacity: 70,000 MT / Annum

Applications of Spiral PipesZenith Steel Pipes

  • Transportation of raw & potable Water
  • Transportation of Oil & Gas
  • Transportation of Sewage disposal
  • Irrigation
  • Piling
  • Ash / Slurry Transportation

SEND ONLINE INQUIRY

 

We also have sales representative in various countries like : Canada, Argentina, India, Indonesia, Iran, Italy, Japan, Kazakhstan, Kuwait, Malaysia, Oman, Qatar, Saudi Arabia, Singapore, South Africa, South Korea, Sri Lanka, UAE, UK, USA, Mumbai, Delhi, Bangalore, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Nagpur, Indore, Assam, Thane, Bhopal, Visakhapatnam, Vadodara, Nashik, Faridabad, Rajkot, Aurangabad, Ranchi, Coimbatore, RaipurMysore, Bhubaneswar, Salem, Bhilai, Bhiwandi, Bikaner, Mangalore, Kochi (Cochin), Bhavnagar, Tirupur, Ankleshwar, Siliguri, United States, Germany, Saudi Arabia, South Korea, Kuwait, Turkey, United Arab Emirates, Oman, Egypt, Indonesia, Malaysia, Singapore, Thailand, Sri Lanka, Russia, West Africa, Latin America, Sudan, UAE, UK, Iran, Iraq, Qatar, Bahrain, Oman, Yemen, Lebanon, Jordan, Saudi Arabia, Malaysia, Indonesia, Singapore, Australia, New Zealand, USA, Canada, Mexico, Brazil, Netherlands, Germany, Italy, Spain, Serbia, Kuwait, Kuwait, Peru, UK, Singapore, Poland, Iraq, Malaysia, Serbia, Turkey, Yemen, Australia, Lebanon, Oman, Srilanka, Egypt, Angola, Canada, Madagascar, Saudi Arabia, Indonesia, UAE, Italy, Jordan, USA, Brazil, Nigeria, South Africa, Mexico, New Zealand, Netherlands, Germany, Venezuela, Iran, Denmark, Spain, Bahrain, Egypt, Venezuela, Kuwait, Madagascar, Angola , Srilanka, South Africa, West African Countriessouth Africa, Australia, new Zealand, Gambia, Ghana, Guinea, Nigeria, Egypt, Morocco, Sudan, Kenya, Mozambique, Zimbabwe, Madagascar, Tunisia, Saudi Arabia, kuwait, Qatar, U.A.E, Turkey , United States, Germany, Saudi Arabia, South Korea, Kuwait, Turkey, United Arab Emirates, Oman, Egypt, Indonesia, Malaysia, Singapore, Thailand, Sri Lanka, Russia, West Africa, Latin America , Peru, Nigeria, Poland, South Africa, Denmark, Turkey, Russia, Sudan, UAE, UK, Iran, Iraq, Qatar, Bahrain, Oman, Yemen, Lebanon, Jordan, Saudi Arabia, Malaysia, Indonesia, Singapore, Australia, New Zealand, USA, Canada, Mexico, Brazil, Netherlands, Germany, Italy, Spain, Serbia, Kuwait, Peru, Nigeria, Poland, South Africa, Denmark, Turkey, Egypt, Venezuela, Kuwait, Madagascar, Angola , Gulf Countries, UAE, Korea, Gauteng , (South Africa), India you can directly mail us your industrial good requirements at info@neelconsteel.com

Zenith Birla (India) Ltd.