What is the GST Rate and HSN Code for Cement?
Understanding Cement GST and HSN Codes in India
Learn HSN code for cement (2523) and current GST rate (18%). Complete guide on cement types, brands, bags, products with tax calculation examples for India 2025.
If you're in the construction business, buying cement for a project, or dealing with cement products in India, understanding the GST rate on cement and its HSN code is essential. The cement HSN code helps classify different types of cement for tax purposes, while the GST rate determines how much tax you'll pay. As of September 22, 2025, India witnessed a major tax reform where the GST on cement was reduced from 28% to 18%, providing significant relief to the construction and real estate sectors.
Cement falls under two main HSN classifications depending on whether you're dealing with raw cement or cement-based products. The primary HSN code for cement is 2523, which covers all hydraulic cements including Portland cement, white cement, and slag cement. Meanwhile, cement products like tiles, blocks, and pipes fall under HSN code 6810. This classification system ensures uniform taxation across India and simplifies compliance for manufacturers, traders, and builders.
The 18% GST rate on cement applies uniformly to all major cement brands and types, whether you're buying Ambuja, Ultratech, ACC, or any other brand. This standardization makes it easier for businesses to calculate costs and claim Input Tax Credit (ITC) for commercial construction projects. Understanding these codes and rates is crucial for accurate GST filing, avoiding penalties, and maximizing your tax benefits.
HSN Code for Different Types of Cement
| Cement Type | HSN Code | Description | GST Rate |
|---|---|---|---|
| Ordinary Portland Cement (OPC) | 2523 | Most common cement for general construction | 18% |
| Portland Pozzolana Cement (PPC) | 2523 | Contains pozzolanic materials, used for mass concrete | 18% |
| White Cement | 252321 | Used for decorative purposes and finishing work | 18% |
| Slag Cement | 2523 | Contains blast furnace slag, eco-friendly option | 18% |
| Rapid Hardening Cement | 2523 | Quick setting cement for urgent projects | 18% |
| Low Heat Cement | 2523 | Used in large concrete structures like dams | 18% |
| Sulphate Resistant Cement | 2523 | For construction in sulphate-rich soils | 18% |
| Cement Clinker | 252310 | Semi-finished cement product | 18% |
HSN Code for Cement Products and Articles
Cement-based products have a different HSN code classification:
| Product Type | HSN Code | Description | GST Rate |
|---|---|---|---|
| Cement Tiles | 6810 | Floor tiles, mosaic tiles, roofing tiles | 18% |
| Cement Blocks | 6810 | Building blocks and bricks | 5% - 18% |
| RCC Pipes (Hume Pipes) | 6810 | Reinforced cement concrete pipes | 18% |
| Cement Paver Blocks | 6810 | Interlocking pavers for pathways | 18% |
| Ready Mix Concrete (RMC) | 6810 | Pre-mixed concrete delivered to site | 18% |
| Cement Manhole Covers | 6810 | SFRC (Steel Fiber Reinforced Concrete) covers | 18% |
| Cement Roofing Sheets | 6810 | Asbestos or fiber cement sheets | 18% |
| Decorative Cement Articles | 6810 | Garden sculptures, planters, ornamental items | 18% |
GST Rate on Popular Cement Brands and Bags
All cement brands in India attract the same 18% GST rate, regardless of the brand name or packaging. Here's a quick reference for popular cement brands:
| Cement Brand | Bag Size | HSN Code | GST Rate |
|---|---|---|---|
| Ultratech Cement | 50 kg | 2523 | 18% |
| ACC Cement | 50 kg | 2523 | 18% |
| Ambuja Cement | 50 kg | 2523 | 18% |
| Shree Cement | 50 kg | 2523 | 18% |
| JK Cement | 50 kg | 2523 | 18% |
| Dalmia Cement | 50 kg | 2523 | 18% |
| Ramco Cement | 50 kg | 2523 | 18% |
| India Cements | 50 kg | 2523 | 18% |
| Birla White Cement | 40 kg | 252321 | 18% |
Note: The standard cement bag size in India is 50 kg for grey cement and typically 40 kg for white cement. GST applies uniformly regardless of bag size or weight.
What Changed? Old vs New GST Rate on Cement
| Period | GST Rate | Impact |
|---|---|---|
| Before September 22, 2025 | 28% (highest slab) | High construction costs, limited affordability |
| After September 22, 2025 | 18% (standard slab) | 10% reduction, lower input costs for builders |
| Cement Building Blocks | 5% - 18% | Special rates for affordable housing materials |
This 10% reduction in cement GST is expected to reduce construction costs for both residential and commercial projects, making housing more affordable and encouraging infrastructure development across India.
How to Calculate GST on Cement
Calculating GST on cement purchases is straightforward:
Formula:
- Base Price of Cement + (Base Price × 18%) = Total Price Including GST
Example:
- If cement costs ₹400 per bag (before GST)
- GST amount = ₹400 × 18% = ₹72
- Final Price = ₹400 + ₹72 = ₹472 per bag
For bulk purchases:
- 100 bags at ₹400 each = ₹40,000
- GST at 18% = ₹7,200
- Total Cost = ₹47,200
Can You Claim Input Tax Credit (ITC) on Cement?
Yes, businesses can claim ITC on cement purchases, but with conditions:
✅ ITC Allowed:
- Commercial construction projects
- Construction of factories or warehouses
- Projects meant for sale or business use
- Construction companies building for clients
❌ ITC Not Allowed:
- Personal residential construction
- Self-use buildings (immovable property)
- Home construction or renovation
This means if you're a builder constructing apartments for sale, you can claim the full 18% GST as credit. However, if you're building your own house, you cannot claim this credit.
Why is Correct HSN Code Important?
Using the correct cement HSN code is crucial because:
- Accurate Tax Calculation - Ensures you pay the right GST amount
- ITC Claims - Wrong codes can lead to rejection of input tax credit
- Avoid Penalties - Incorrect codes may result in notices and fines
- Smooth Compliance - Helps in filing GST returns without errors
- E-way Bill Generation - Required for transporting cement across states
- Export Benefits - Essential for claiming export incentives
Common Cement Packaging and GST
| Package Type | Common Weight | HSN Code | GST Rate |
|---|---|---|---|
| Standard Cement Bag | 50 kg | 2523 | 18% |
| Mini Bag | 25 kg | 2523 | 18% |
| White Cement Bag | 40 kg | 252321 | 18% |
| Bulk Cement (Loose) | Per ton | 2523 | 18% |
| Cement in HDPE/Plastic Bags | 50 kg | 2523 | 18% (cement) + packaging GST |
Note: The packaging material (plastic/HDPE bags) may attract separate GST, but the cement itself remains at 18%.
Conclusion
Understanding the GST rate and HSN code for cement is essential for anyone involved in construction, trading, or manufacturing. With the recent reduction from 28% to 18% GST effective from September 22, 2025, cement has become more affordable across India. The primary cement HSN code 2523 covers all types of hydraulic cement including OPC, PPC, and white cement, while cement products fall under HSN code 6810.
Whether you're purchasing cement bags from Ultratech, ACC, Ambuja, or any other brand, the 18% GST rate applies uniformly across all manufacturers. Remember to use the correct HSN code on your invoices and GST returns to ensure compliance, claim proper input tax credit for eligible projects, and avoid penalties. With this simplified tax structure under GST 2.0, India's construction sector is poised for more affordable and efficient growth in 2026 and beyond.
