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Ratnamani has a dedicated facility for manufacturing Austenitic, Super Austenitic, Duplex and Super Duplex stainless steel welded pipes both from coil & plate. The weld procedures used are TIG, Combination of Plasma and TIG , TIG with filler, K-TIG, TIG and SAW , SAW depending up on the wall thickness of input raw material for Pipe manufacturing.
Stainless Steel Welded Pipe upto 12 NPS in double random length are manufactured using coils. The welding process is controlled by laser seam tracking equipment to optimize the quality of weld seam.
Ratnamani is also having facility for the production of pipes from single stainless steel plate, on JCO Press upto 48 NPS. These pipes can be produced in single random length or double random lengths with Single Long Seam. Stainless Steel Welded Pipes above 48 NPS & upto 72 NPS can be manufactured with a combination of longitudinal / circumferential joints.
A complete range of testing facility in-house contributes to consistent quality control. With good investment in modern forming & welding techniques, Ratnamani is able to meet the most stringent market demands in terms of quality and delivery.
- State of art Coil Slitting / Plate Cutting Line
- Eddy Current, Ultrasonic, Dye Penetrant, Hydro etc.
- Real Time Radioscopy (Digital Radiography) / Film Radiography to ensure Welding quality
- Ability to manufacture pipes as per API 5LC with Coating
- Pipes are supplied with Plain / Bevelled ends.
|Welded Pipes||1/8 NPS to 12 NPS||SCH.5S ,10S,40S||ASTM A-312, A 554, A 778, A 790|
|Longitudinal Pipes||8 NPS to 48 NPS||2.77 MM to 50.00 MM||ASTM A 358, A 409, A 778, A 928|
|Longitudinal with Circumferential Seam Welded Pipes||20 NPS to 72 NPS||5.54 MM to 20.00 MM||ASTM A 358, A 409, A 778|
|Grades : TP-304/L/LN/H/N, TP-316/L/LN/H/N/Ti,TP-317L,TP-321/H,TP-347/H, UNS S 31254, S31803,S32205,S32750,S32760|
|*Sizes other than above can be manufactured as per requirement|