Everything You Need to Know About GI Seamless Pipe HSN Code – Udhhyog Info
When purchasing or selling GI seamless pipes, using the correct HSN code is essential for smooth GST invoicing, compliance, and claiming input tax credits. Whether you're a contractor, supplier, or OEM, understanding the GI seamless pipe HSN code will save you from legal and financial complications.
In this Udhhyog Info guide, we break down the correct HSN classification, GST rate, and the differences in HSN coding for various pipe types.
📌 What Is an HSN Code?
The HSN (Harmonized System of Nomenclature) code is an international system for classifying goods under standardized codes for taxation and trade. It is mandatory under GST in India for businesses with turnover above ₹5 crore or for B2B transactions.
🔍 GI Seamless Pipe HSN Code – Official Classification
For Galvanized Iron (GI) seamless pipes, the correct HSN code is:
👉 HSN Code: 730630
Description:
“Tubes, pipes and hollow profiles of iron or non-alloy steel, not welded, galvanized.”
This category includes:
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Seamless pipes
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Galvanized (hot-dip or electro) steel pipes
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Pipes used for plumbing, industrial, agricultural, or structural applications
💡 Breakdown of HSN Code 7306.30:
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73 – Chapter for "Articles of Iron or Steel"
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7306 – Tubes, pipes and hollow profiles of iron or steel
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730630 – Those that are galvanized and seamless
🛠️ Note: Welded GI pipes fall under 73063090 (Other galvanized pipes)
💰 GST Rate for GI Seamless Pipes
| Item | HSN Code | GST Rate |
|---|---|---|
| GI Seamless Pipe | 730630 | 18% |
| GI Welded Pipe (ERW) | 73063090 | 18% |
| GI Fittings (elbows, tees, etc.) | 730793 | 18% |
✅ GST includes 9% CGST + 9% SGST (for intra-state) or 18% IGST (for inter-state).
📑 How Udhhyog Issues Invoices for GI Seamless Pipes
Every invoice issued by Udhhyog includes:
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✔️ Accurate HSN code (730630)
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✔️ Product description (Seamless GI Pipe, OD, thickness, etc.)
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✔️ Unit of measure (Meter/Kg)
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✔️ Rate per unit
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✔️ GST calculation (CGST, SGST or IGST)
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✔️ Our GSTIN, PAN, and location details
We also provide e-way bills, dispatch documentation, and test certificates as per project requirements.
🧱 Examples of Correct GI Seamless Pipe Entries
Here are sample invoice entries for your understanding:
| Product Description | HSN Code | Quantity | Rate/Unit | GST Rate |
|---|---|---|---|---|
| Seamless GI Pipe 40mm NB, Class B | 730630 | 100 Mtr | ₹195 | 18% |
| Seamless GI Pipe 100mm NB, Class C | 730630 | 200 Mtr | ₹520 | 18% |
⚠️ Why Using the Correct HSN Code Matters
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✅ Enables input tax credit (ITC) for buyers
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✅ Prevents penalties or audits under GST
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✅ Ensures transparency in B2B transactions
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✅ Helps with international trade classification
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✅ Required for generating e-way bills above ₹50,000
🚫 Common Mistakes to Avoid
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❌ Using 730630 for welded GI pipes (use 73063090 instead)
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❌ Grouping fittings and pipes under the same HSN
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❌ Not updating invoice formats for HSN compliance
🏭 Udhhyog – GST-Compliant Supplier for GI Seamless Pipes
At Udhhyog, we don’t just supply premium-quality hot-dip galvanized seamless pipes—we ensure all documentation is GST and HSN compliant, including:
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🧾 GST Invoice with 730630 HSN
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📦 E-way Bill for transport
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📜 Test Certificates (TC & MTC)
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🧰 Fitting support, accessories & more
❓ FAQs – GI Seamless Pipe HSN Code
Q1: Is the HSN code for seamless and welded GI pipe the same?
❌ No. Seamless GI Pipe = 730630, but Welded GI Pipe = 73063090.
Q2: What is the GST rate on GI pipes in India?
✅ The standard GST rate for both seamless and welded GI pipes is 18%.
Q3: What if I use the wrong HSN code?
🛑 Using the wrong code can lead to ITC rejection, GST penalties, and confusion during audits.
Q4: Do Udhhyog pipes come with compliant invoices?
✅ Yes. All GI seamless pipe supplies include proper HSN, GST, and delivery documentation.
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