Mild steel black pipes

Grades
Conforming To Stringent Specifications
a) Indian Standards
i) IS:1239-1 – For Ordinary Use In Water, Gas, Air Lines & Fire Fighting.
ii) IS:3589 – Grade Fe330, 410 & 450 For Water, Gas & Sewage Purpose.
iii) IS:4270 – Grade Fe 410 & 450, Steel Tubes For Water Wells (Casing Pipes).
iv) IS:1161 – Grade Yst 210, 240, 310 & 355 For Structural Purpose.
v) IS:3601 – Steel Tubes For Mechanical & General Engineering, WT-160, 210,240 & 310 Grade.
vi) IS:9295 – Grade Yst 210, 240 & 310 for Idlers & Conveyors.
vii) IS/ISO:3183 – Grade Yst 210 & 240 For Use In Oil & Natural Gas Industries.
viii) IS:2713 – Swaged type steel Tubular Poles 410 SP 1 to 410 SP 72.
ix) IS:4923 – RHS & SHS, Grade Yst 210, 240, 310 & 355 For Structural Purpose.
b) International Standards

Equipment Details

 

  • Oil & Gas Transportation
  • General Engineering
  • Agriculture & Irrigation
  • Concealed Piping
  • Cold Storage
  • Fire Fighting System
  • Construction Scaffolding
  • Water Lines
  • Structural Purposes
  • CNG Gas Pipe Lines

 

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JINDAL-HISSAR MANUFACTURES PIPE SIZE 150mm NB
to 400mm NB, BOTH BLACK & GI. BIS LICENCE

  • ERW STEEL TUBES FOR WATER WELLS
    CONFORMING TO IS: 4270 : 2001
    PLAIN END CASING PIPES Grade Fe 410 and Fe 450
  • ERW STEEL TUBES FOR WATER WELLS CONFORMING TO IS: 4270 : 2001
  • PLAIN END CASING PIPES
  • Higher Thickness other than the Specified may also be manufactured as per Customer requirement.
  • JINDAL-HISSAR MANUFACTER to 300mm NB, BOTH BLACK & GI, “‘ BIS LICENCE NO. CM/L- 9517082
  • JINDAL-HISSAR MANUFACTURES PIPE SIZE 15mm NB to 350mm NB, BOTH BLACK & GI. BIS LICENCE NO. CM/L – 0641038
  • STEEL TUBES FOR MECHANICAL AND GENERAL
  • ENGINEERING PURPOSES MARK TECHNICAL DATA OF BLACK & GALVANISED PIPES SPECIFICATION IS:360 l: 2006
  • ERW (INCLUDING HFIW) STEEL TUBES FOR IDLERS FOR BELT CONVEYORS
  • TECHNICAL DATA OF PIPES SPECIFICATION AS PER IS:9295 – 1983 DIMENSIONS & NOMINAL MASSES

Manufacturing Process

The process utilises the latest technology and modern equipments for producing high Quality ERW Pipes
1. Slit Preparations
HR Colis are slitted to predetermined widths for each size of pipe and thickness. Slitted coil is uncoiled at the entry of ERW mill and the ends are sheared and welded one after another to make it single endless strip.
2. Forming
Slitted coil are initially formed into ‘U’ shape and then into a cylindrical shape with open edges using a series of forming rolls.
3. Welding
The open edges are heated to the required temperature through high frequency low voltage high current and press welded by forge rolls making perfect and strong butt-weld without filler materials.
4. Debeading
Weld flash on top and inside (if need) is trimmed out through carbide tools.
5.
Seam Annealing
Whenever required, welding portion and heat affected zone is put to normalising with medium frequency normaliser and then cooled down in air cooling bed.
6. Sizing & Cutting
After water quenching, slight reduction is applied to pipes with sizing rolls to give them desired accurate outside diameter.
Pipes are cut to required lengths by flying cut off disc/saw cutter.
7. Facing and Bevelling
The pipe ends are faced and bevelled by the end facer.
All the processes are continuous with auto arrangements. These plain ended tubes go for further processing as per the customer need like galvanizing, threading, black varnishing etc.
8. Packing
Finished pipes are bundled in desired number of pieces as per customer’s requirement and packed properly to ensure freshness till delivery.

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