7303 HSN Code: Cast iron tubes and pipes

HSN Sub Chapter 7303 represents Cast iron tubes and pipes under GST classification. This code helps businesses identify Cast iron tubes and pipes correctly for billing, taxation, and trade. With HSN Sub Chapter 7303, companies can avoid errors in invoices, simplify compliance, and enable hassle-free import/export of Cast iron tubes and pipes.

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Chapter No	HSN Code	HSN Description	New GST Rate	Old GST Rate
73	7303	Tubes, pipes and hollow profiles, of cast iron	18%	18%

HSN Code 7303

Chapter: 73

Description: Tubes, pipes and hollow profiles, of cast iron

New GST Rate: 18% Old GST Rate: 18%

Tariff HSN	Description
73030010	Tubes, pipes and hollow profiles, of cast iron: Rain water pipe
73030010	Tubes, pipes and hollow profiles, of cast iron: Rain water pipe
73030020	Tubes, pipes and hollow profiles, of cast iron: Soil pipe
73030020	Tubes, pipes and hollow profiles, of cast iron: Soil pipe
73030030	Tubes, pipes and hollow profiles, of cast iron: Spun pipe
73030030	Tubes, pipes and hollow profiles, of cast iron: Spun pipe
73030090	Tubes, pipes and hollow profiles, of cast iron: Other
73030090	Tubes, pipes and hollow profiles, of cast iron: Other

HSN Code 73030010

Tubes, pipes and hollow profiles, of cast iron: Rain water pipe

HSN Code 73030010

Tubes, pipes and hollow profiles, of cast iron: Rain water pipe

HSN Code 73030020

Tubes, pipes and hollow profiles, of cast iron: Soil pipe

HSN Code 73030020

Tubes, pipes and hollow profiles, of cast iron: Soil pipe

HSN Code 73030030

Tubes, pipes and hollow profiles, of cast iron: Spun pipe

HSN Code 73030030

Tubes, pipes and hollow profiles, of cast iron: Spun pipe

HSN Code 73030090

Tubes, pipes and hollow profiles, of cast iron: Other

HSN Code 73030090

Tubes, pipes and hollow profiles, of cast iron: Other

Wrong HSN codes causing GST errors? BUSY auto-applies the correct code & rate on desktop and mobile.

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What products are classified under HSN 7303

It includes Cast iron tubes and pipes

How are warranty replacements of Cast iron tubes and pipes handled?

If replacement is without consideration under a pre‑agreed warranty, issue a delivery challan and reference the original invoice/contract. If consideration is charged, raise a tax invoice. Keep serial/lot details for traceability.

Any special steps when selling Cast iron tubes and pipes through an e‑commerce platform?

Ensure registration requirements are met and reconcile the operator’s TCS statements with your GSTR‑2B/3B. Map SKU descriptions to HSN to reduce mismatches and returns.

If I repair and return Cast iron tubes and pipes, how should I charge GST?

Repair/service is a service supply (SAC). Parts and materials used are goods and may be billed separately with HSN. Mention both lines clearly to avoid mixing service and goods values.

How do I bill a kit or combo that includes Cast iron tubes and pipes?

Prefer separate lines per item with its HSN so each component follows its own tax treatment. If it is a naturally bundled supply, identify the principal supply and tax the whole bundle accordingly.

What are the e‑way bill and e‑invoice points while moving Cast iron tubes and pipes?

Generate an e‑way bill when the consignment value exceeds ₹50,000, unless exempted for the transaction. E‑invoicing depends on turnover (AATO threshold as notified) for B2B supplies, not on the item itself.

Important Disclaimer

The above does not constitute professional advice or a formal recommendation. We recommend consulting a professional tax consultant before acting on the information contained in this piece of content.

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