• Overview
  • Salient Features
  • Applications
  • Types of Material
  • Product Range
  • Testing & Inspection
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Carbon Steel Division

Pipelines are transportation system that enables safe movement of huge quantities of energy products to industry and consumers, literally fueling economies and way of life. They are arteries of every Nation's energy infrastructure, as well as the safest and most economical way to transport energy products.

All around the globe steel pipes from Ratnamani substantiate their infallible quality in a large variety of applications. As drinking water pipelines or as oil & gas pipelines our pipes ensure swift and safe supply of our most valuable resources.

Ratnamani maintains high degree of flexibility in production and planning, making possible economical manufacture of even small and medium sized production lots. Our customers enjoy appreciable economic advantages, products meeting international quality standards at unmatched level of customer satisfaction.

Ratnamani offers Carbon Steel Pipes in following construction

  • High Frequency – Electric Resistance Welded [HF-ERW] Pipes
  • Submerged Arc Welded [SAW] Pipes

Further, following External & Internal Coating can be performed on the Pipes

  • External Three Layer Polyethylene / Polypropylene [3LPE / 3LPP] Coating
  • External Coal Tar Enamel Coating
  • External Tape Coating
  • External Anti-Corrosive Coating
  • External Painting
  • External Cement Mortar Lining
  • Internal Liquid Epoxy
  • Internal Cement Mortar Lining

Salient Features

  • Heat treatment facility up to 100 NPS (2540 MM) diameter
  • Capability to produce pipes having very close diameter-thickness ratio
  • Capability to manufacture pipes as per API 5L Grade X-80 or Equivalent
  • Capability to manufacture Alloy Steel Pipes.
  • All testing facilities in-house to meet International Standards

Applications of Carbon Steel

  • Oil and Gas Pipeline
  • Plumbing
  • Heating
  • Water Supply Systems
  • General purpose applications
  • Structural Pipe

Types of Material

  • High Frequency - Electric Resistance Welded (HF-ERW,) Pipes
  • Submerged Arc Welded (SAW) Pipes
  • Further, following External & Internal Coating can be performed on the Pipes:
  • External Three Layer Polyethylene/Polypropylene 3LPE / 3LPP) Coating
  • Single Layer / Dual Layer Fusion Bonded Epoxy (SFBE /DFBE)
  • External Coal Tar Enamel Coating
  • External Coal Tar Tape Coating
  • External Painting
  • External Cement Mortar Lining
  • Internal Liquid Epoxy
  • Internal Cement Mortar Lining

Testing & Inspection

  • Mechanical Testing: - Tensile Test, Guided bend Test, Charpy Impact Test, Vickers Hardness, Drop Weight Tear Test, Flattening Test, Reverse Bend Test, Residual Stress Test
  • Chemical Analysis by Spectrometer
  • Metallographic examination - Micro structure and Macro analysis
  • Fully equipped NACE laboratory for Corrosion Testing - Hydrogen Induced Cracking (HIC), Sulfide Stress Cracking Tensile test/ 4 point bend test (SSC)
  • Non Destructive examination - Automatic Ultrasonic Test of HR Coil, ERW & HSAW Pipe, Eddy current testing, Real Time Digital Radiography Testing, Conventional Film Radiography, Magnetic Particle Inspection, & Die Penetrant Test
  • Well equipped Coating laboratory - Gel Time, Cure Time, Moisture Content, Thermal Characteristics, Density / Specific Gravity, Vicat Softening Point, Melt Flow Index, Water Absorption, Hardness (Shore D), Tensile Strength, Elongation, Density / Specific Gravity, Viscosity, Hydraulic Pressure Blistering, Ash Content, Degree Of Cure Test, Flexibility Test, Hot Water Adhesion, Cross Section Porosity, Cathodic Disbondment Test, Impact Resistance, Holiday Test, Indentation Test, Degree Of Cure Test, Bendability Test, Tabor Abrasion, Pull Of Adhesion Test, Lap Shear Adhesion Test, Etc

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