GI PIPES STANDARDS & GRADES


GI (Galvanized Iron) pipes are manufactured as per the following standards and grades:
IS:1239, IS:3589, IS:1161, Galvanizing confirms to IS:4736

PRODUCTS

OUTER DIAMETER (OD)

WALL THICKNESS

GI pipes

½″ NB to 6″ NB

Light, Medium, Heavy (A, B, C Class)

8″ NB to 16″ NB

5 mm to 8 mm

  • Jindal Pipes Limited (Jindal Star)
  • Jindal Industries Limited (Hisar)
  • Jindal (India) Limited
  • Maharashtra Seamless Limited
  • Surya Roshini Limited
  • TATA Steel Tubes
  • APL Apollo Tubes Limited
  • Utkarsh Tubes & Pipes Limited
  • Asian Pipe
  • Goel Pipe
  • Nezone Tubes Limited

GI (Galvanized Iron) pipes are widely used for:

  • Water supply and plumbing lines
  • Agricultural irrigation and borewells
  • Sewage and drainage systems
  • Structural frameworks and light fabrication
  • Greenhouse structures and fencing
  • Cable management and conduits
  • Low-pressure gas pipelines
  • Fire protection systems
  • Handrails and guardrails
  • Scaffolding and temporary structures
  • Outdoor furniture and signage supports
  • Electrical earthing protection
  • Street lighting poles and utility poles

  • Superior corrosion and rust resistance due to hot-dip galvanization
  • Uniform zinc coating ensuring long-lasting protection
  • Smooth bore for better water flow and minimal friction losses
  • High tensile strength and durability
  • Excellent machinability and threading capability
  • Available in light, medium, and heavy classes

  • Long service life in corrosive and humid environments
  • Cost-effective compared to stainless steel for similar applications
  • Easy to weld, cut, and thread
  • Low maintenance requirements
  • Ideal for outdoor and underground usage
  • Wide availability in multiple sizes and wall thicknesses
  • Fully recyclable and eco-friendly material
Pan-India delivery

Ready stock, delivered nationwide.

Special features

GI pipes, we procure undergo quality checks to meet IS:1239, IS:3589, IS:1161 standards, with galvanization confirming to IS:4736.
Each pipe includes:

  • Standard color coding for light, medium, and heavy class identification
  • Hot-dip galvanization with uniform zinc coating (inside & outside)
  • Test certificates ensuring compliance and traceability
  • Batch numbering for quality assurance
  • Available in plain and threaded end options

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