HSN heading 7304 falls under Chapter 73 — articles of iron or steel. It breaks down into 13 sub-codes listed below.
Sub-codes under 7304 (13)
730411
OF STAINLESS STEEL:
730419
OTHER:
730422
DRILL PIPE OF STAINLESS STEEL
730423
OTHER DRILL PIPE:
730424
OTHER, OF STAINLESS STEEL
730429
OTHER:
730431
COLD-DRAWN OR COLD-ROLLED (COLD-REDUCED):
730439
OTHER:
730441
COLD-DRAWN OR COLD-ROLLED (COLD-REDUCED)
730449
OTHER
730451
COLD-DRAWN OR COLD ROLLED (COLD-REDUCED):
730459
OTHER:
730490
OTHER
About HSN heading 7304
The 4-digit code 7304 is an HSN heading — a mid-level grouping that breaks down further into 6-digit sub-headings and 8-digit tariff items. Choose the most specific sub-code that matches your supply so the GST rate, e-invoice schema, and GSTR-1 HSN summary all line up correctly. It sits inside Chapter 73, which covers articles of iron or steel.