IS 4521 : 2024 — Wire Ropes Used in Oil Wells and Oil Well Drilling and Other Applications of Petroleum and Natural Gas Industries - Specification (Third Revision)

What is IS 4521 : 2024?

IS 4521 : 2024 is an Indian Standard published by the Bureau of Indian Standards (BIS) under the title Wire Ropes Used in Oil Wells and Oil Well Drilling and Other Applications of Petroleum and Natural Gas Industries - Specification (Third Revision). It falls under the <strong>Gases, Gas Cylinders , Machine tools and other mechanical products</strong> group and is administered by the Ministry of Commerce and Industry - Department for Promotion of Industry and Internal Trade (DPIIT). This standard has mandatory certification requirements — products must bear the ISI Mark before they can be sold in India.

Who needs IS 4521 : 2024 certification?

• Domestic manufacturers producing goods covered by this standard
• Importers bringing such products into India for sale
• Any party affixing the ISI Mark or selling certified products in the Indian market

How to get certified for IS 4521 : 2024

1. 1
   Apply online — Submit the BIS portal application with product details, factory information, and test reports.
2. 2
   Lab testing — Submit product samples to a BIS-recognised testing laboratory for evaluation against the standard.
3. 3
   Factory inspection — A BIS officer visits your manufacturing facility to verify quality control systems.
4. 4
   Licence grant — On approval, BIS issues the licence. You may then affix the ISI Mark on compliant products.

See our full ISI Mark service →