About HSN Code 7305

HSN Code 7305 covers Other Tubes and Pipes (for Example, Welded, Riveted or Similarly Closed), Having Circular Cross-sections, the External Diameter of Which Exceeds 406.4 Mm, of Iron or Steel and attracts a GST rate of 18%. For intra-state supplies, this is split as 9% CGST + 9% SGST. For inter-state supplies, 18% IGST is charged.

How to Use HSN Code 7305 on GST Invoices

• Include the HSN code 7305 on every GST invoice for other tubes and pipes (for example, welded, riveted or similarly closed), having circular cross-sections, the external diameter of which exceeds 406.4 mm, of iron or steel
• Businesses with turnover above ₹5 crore must use 6-digit HSN codes
• Turnover between ₹1.5–5 crore: 4-digit codes are sufficient
• The HSN code must match the product/service description on your invoice
• Incorrect HSN codes can lead to GST notices and ITC mismatches

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