What is HSN Code 730520?
HSN code 730520 is the Harmonized System of Nomenclature classification for Casing Of A Kind Used In Drilling For Oil Or Gas : 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 casing of a kind used in drilling for oil or gas : must quote HSN 730520 (or the digit-length required for its turnover) on tax invoices and in GSTR-1.