730721Sub-heading (6-digit)Section XV

HSN Code 730721 – Flanges

Full GST classification for Flanges — chapter, heading and tariff hierarchy, GST rate slabs and related HSN codes. Updated for India GST.

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HSN Code

730721

Chapter

73

Digits

6-digit

Section

XV

What is HSN Code 730721?

HSN code 730721 is the Harmonized System of Nomenclature classification for Flanges under India's Goods and Services Tax (GST). It is a 6-digit code sitting at the sub-heading (6-digit) level of the HSN hierarchy.

This code belongs to Chapter 73 — Articles Of Iron Or Steel, which is part of Section XV: Base Metals & Articles Thereof. Every GST-registered business supplying flanges must quote HSN 730721 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.

Classification breakdown of 730721

LevelCodeDescription
Chapter73articles of iron or steel
Heading7307tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
Sub-heading730721flanges

GST rate for HSN 730721

Goods under HSN 730721 attract GST at one of the five standard slabs. The exact rate depends on the specific product and the latest GST Council notification — always confirm before invoicing.

0%

Nil / Exempt

Fresh produce, milk, cereals, books

5%

Merit rate

Essentials, packaged food, transport

12%

Standard-low

Processed food, mobiles, apparel > ₹1,000

18%

Standard

Most goods, electronics, services

28%

Demerit / luxury

Cars, cement, aerated drinks, tobacco

Find the exact GST rate for Flanges →

HSN Code 730721 — FAQs

What is HSN code 730721?

HSN code 730721 classifies "Flanges" under India's GST regime. It falls under Chapter 73 (Articles Of Iron Or Steel) of the Harmonized System of Nomenclature.

How many digits is HSN code 730721?

730721 is a 6-digit HSN code — a sub-heading (6-digit). Businesses declare 4-digit HSN (turnover up to ₹5 crore) or 6-digit HSN (above ₹5 crore) on GST invoices; 8-digit codes are used for exports and imports.

What is the GST rate for HSN code 730721?

Goods under HSN 730721 are taxed at one of the GST slabs — 0%, 5%, 12%, 18% or 28% — depending on the exact product and the latest GST Council notification. Use the Laabam.One GST Rate Finder to confirm the current rate for Flanges.

Which chapter does HSN code 730721 belong to?

HSN 730721 belongs to Chapter 73 — Articles Of Iron Or Steel, part of Section XV: Base Metals & Articles Thereof.

Auto-fill HSN 730721 on every invoice

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