BIS CERTIFICATION FOR STEEL TUBES, TUBULARS AND OTHER STEEL IS 1239 (PART 2)

Published Date: Oct 06, 2025 4 min Read

BIS certification is mandatory for Steel Tubes, Tubulars, and Other Steel Fittings as per IS 1239 (Part 2):2011. This standard ensures that steel tubes and fittings used in piping systems meet the required levels of quality, safety, and durability for diverse applications including water, gas, air, and steam services. Conformance to IS 1239 (Part 2):2011 guarantees that products are manufactured with precision in dimensions, wall thickness, threading, and mechanical strength, thereby providing reliable performance under pressure and varied operating conditions. Certification assures industries and consumers that fittings and tubulars have undergone stringent testing to withstand stress, corrosion, and long-term service demands.

IS 1239 (Part 2):2011 – Steel Tubes, Tubulars and Other Steel Fittings

This Indian Standard specifies requirements for steel tubulars and malleable iron fittings suitable for use with steel tubes. The standard covers aspects such as material quality, dimensions, pressure ratings, threading requirements, and performance characteristics. It also prescribes tests for tensile strength, pressure resistance, bending, and coating to ensure uniformity and safe application. Products conforming to IS 1239 (Part 2):2011 are widely used in plumbing, firefighting systems, structural applications, and industrial pipelines, where strength and reliability are paramount.

Benefits of BIS Certification for Steel Tubes and Fittings

Certification under IS 1239 (Part 2):2011 brings multiple benefits to manufacturers and end-users alike. For producers, it establishes credibility, ensures compliance with regulatory requirements, and enhances access to domestic and export markets. For consumers and industries, certified products guarantee consistent quality, safety in operations, and reduced chances of failures, leakages, or accidents. This not only ensures cost savings on maintenance but also builds trust in critical infrastructure projects.

Key highlights

Product Name	Steel Tubes, Tubulars and Other Steel Fittings, Part 2: Steel Pipe Fittings
Applicable Indian Standard	IS 1239 (Part 2): 2011
Applicable Certification Scheme	Product Certification Scheme (ISI Mark Scheme) Scheme 1 - Schedule 2
Compliance Requirement	Mandatory
Quality Control Order	-
Scope as per Standard	This standard (Part 2) covers the requirements for butt welded and seamless, plain ended, screwed sockets, steel tubulars and other welded and seamless steel pipe fittings intended for use for water, non-hazardous gas, air and steam.

Note

For Detailed Information about the Procedure for BIS ISI Certification, Visit :

Visit :

Procedure for Domestic Manufacturer
Procedure for Foreign Manufacturer

Timeline for BIS Certification

The estimated timeline for obtaining BIS certification under IS 1239 (Part 2):2011 is:

For Indian Manufacturers (Standard Timeframe – 30 days)
For Foreign Manufacturers (Standard Timeframe – 180 days)

Conclusion

BIS certification under IS 1239 (Part 2):2011 plays a vital role in upholding safety, quality, and reliability standards for steel tubes and tubular fittings across industries. Compliance with this standard assures manufacturers of market acceptance while providing users with durable and high-performing products. Certified tubulars and fittings contribute to safer piping systems, improved efficiency, and longer service life.

Partner with Aleph INDIA for complete guidance and end-to-end support in obtaining BIS certification for Steel Tubes, Tubulars and Other Steel Fittings under IS 1239 (Part 2):2011, ensuring your products meet national and global benchmarks.