Mandatory BIS Standard
ISI Mark for Cast Iron Products

- Minimum marking fee per year
- ₹9,800 – ₹71,000
- Micro to large firms
- Testing cost
- ₹1,400 – ₹10,000
- Based on 8 lab prices
- HSN codes
- 68109990, 73030090, 73071910
- Check the code with customs
BIS certified cast iron items in India are guaranteed to be safe and of quality. Manufacturers must follow pertinent Indian Standards including IS 210 (grey cast iron) and IS 1030 (steel castings).
Applicable Indian Standards for ISI Mark for Cast Iron Products
| IS number | Product | Testing cost |
|---|---|---|
| IS 1726:1991 | Cast iron man hole covers and framesHSN 68109990 | ₹7,500 – ₹7,6002 labs |
| IS 1729:2002 | Cast iron/ductile iron drainage pipes and pipe fittings for over ground non-pressure pipelines socket and spigot seriesHSN 73030090 | ₹10,0002 labs |
| IS 1879:2010 | Malleable cast iron pipe fittingsHSN 73071910 | ₹10,0001 lab |
| IS 13349:1992 | Cast iron single faced thimble mounted sluice gatesHSN 84818090 | — |
| IS 210:2009 | Grey iron castingsHSN 73259910 | ₹1,400 – ₹6,0008 labs |
| IS 1537:1976 | Vertically cast – iron pressure pipes for water, gas and sewageHSN 73030090 | — |
- Legal order: Aluminium & Aluminium Alloy Products QCO, 2024; effective phased 2025
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 1726:1991 | ₹58,000 | ₹47,000 | ₹29,000 | ₹11,600 | ₹19.35 per tonne |
| IS 1729:2002 | ₹62,000 | ₹50,000 | ₹31,000 | ₹12,400 | ₹34.45 per tonne |
| IS 1879:2010 | ₹71,000 | ₹57,000 | ₹35,500 | ₹14,200 | ₹26 per tonne |
| IS 13349:1992 | ₹65,000 | ₹52,000 | ₹32,500 | ₹13,000 | ₹108.35 per piece |
| IS 210:2009 | ₹49,000 | ₹40,000 | ₹24,500 | ₹9,800 | ₹72 per tonne |
| IS 1537:1976 | ₹51,000 | ₹41,000 | ₹25,500 | ₹10,200 | ₹8.70 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 for cast iron products?
It ensures product quality, safety, and compliance with Indian Standards like IS 210:2009, IS 1865, and IS 8329.
Is BIS certification mandatory for cast iron products?
Yes, for certain products under Quality Control Orders (QCO).
How to apply for BIS certification?
Apply online via the BIS portal, submit documents, product samples, and undergo factory inspection.
What is the validity of BIS certification?
Usually valid for one year, renewable upon compliance.
What is the ISI mark in BIS certification?
It signifies that the product meets Indian Standards and is BIS-certified.
Related products
- ISI Mark for Alloy steel forgings for general industrial use – IS 4367Mandatory
- ISI Mark for Brass Tubes for General Purposes – IS 407Date not set
- ISI Mark for Carbon Manganese Steel Forgings for Pressure Vessels – IS 12146Mandatory
- ISI Mark for Carbon and Carbon Manganese Free Cutting Steels – IS 4431Mandatory
- ISI Mark for Carbon steel forgings for general engineering purposes – IS 2004Mandatory
- ISI Mark for Carbon-Chromium Steel for the Manufacture of Balls, Rollers and Bearing Races – IS 4398Mandatory
- ISI Mark for Carburizing Steels for Use in Bearing Industry – IS 5489Mandatory
- ISI Mark for Cold - Reduced tinmill products - Blackplate – IS/ISO 11951Mandatory
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