Mandatory BIS Standard
ISI Mark for Centrifugally cast (Spun) iron pipes

- Minimum marking fee per year
- ₹12,200 – ₹85,000
- Micro to large firms
- Testing cost
- ₹11,000 – ₹22,000
- Based on 2 lab prices
- HSN code
- 73030090
- Check the code with customs
BIS certification for centrifugally cast (spun) iron pipes ensures compliance with IS 8329:2000 and IS 1536:2001. Manufacturers must establish an in-house testing lab and pass initial product audits.
Applicable Indian Standards for ISI Mark for Centrifugally cast (Spun) iron pipes
| IS number | Product | Testing cost |
|---|---|---|
| IS 1536: 2001 | Centrifugally cast (Spun) iron pressure pipes for water, gas and sewage | — |
| IS 3989: 2009 | Centrifugally cast (Spun) iron spigot and socket soil, waste, ventilating and rainwater pipes, fittings and accessories | — |
| IS 15905: 2011 | Hubless centrifugally cast (Spun) iron pipes, fittings and accessories – Spigot series | ₹11,000 – ₹22,0002 labs |
Minimum marking fee by firm size
You pay BIS a minimum marking fee every year. Micro, small and medium firms (with Udyam registration) pay less. BIS also works out a fee from the unit rate and your production. You pay whichever amount is higher.
| IS number | Large | Medium | Small | Micro | Unit rate |
|---|---|---|---|---|---|
| IS 1536: 2001 | ₹85,000 | ₹68,000 | ₹42,500 | ₹17,000 | ₹8.70 per tonne |
| IS 3989: 2009 | ₹61,000 | ₹49,000 | ₹30,500 | ₹12,200 | ₹8.70 per tonne |
| IS 15905: 2011 | ₹71,000 | ₹57,000 | ₹35,500 | ₹14,200 | ₹9 per tonne |
- Other BIS charges
- ₹9,000 for every ISI mark product: application charge ₹1,000 · licence fee ₹1,000 · audit charges ₹7,000
- Foreign manufacturers
- Get a detailed quote
- Our consulting fee
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All prices are a guide only and do not include GST. Rules and dates can change, so check the latest notice before you apply. Ask us for an up-to-date quote.
Common questions
What is BIS certification?
BIS certification ensures that products meet Indian Standards, guaranteeing quality, safety, and reliability.
Is BIS certification mandatory for spun iron pipes?
Yes, for certain types like ductile iron pipes used in water and gas distribution.
What is the applicable BIS standard?
Common standards include IS 8329:2000 and IS 1536:2001.
How long does certification take?
Indian manufacturers: 30 days; Foreign manufacturers: up to 180 days.
What are the key steps in the process?
Application submission, factory inspection, product testing, and BIS approval.
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