7306OTHER TUBES, PIPES AND HOLLOW PROFILES (FOR EXAMPLE, OPEN SEAM OR WELDED, RIVETED OR SIMILARLY CLOSED), OF IRON OR STEEL
HSN heading 7306 falls under Chapter 73 — articles of iron or steel. It breaks down into 10 sub-codes listed below.
Sub-codes under 7306 (10)
730611
WELDED ,OF STAINLESS STEEL
730619
OTHER:
730621
WELDED, OF STAINLESS STEEL
730629
OTHER:
730630
OTHER, WELDED, OF CIRCULAR CROSS-SECTION, OF IRON OR NON-ALLOY STEEL:
730640
OTHER, WELDED, OF CIRCULAR CROSS- SECTION, OF STAINLESS STEEL
730650
OTHER, WELDED, OF CIRCULAR CROSS- SECTION, OF OTHER ALLOY STEEL
730661
OF SQUARE OR RECTANGULAR-CROSS- SECTION
730669
OF OTHER NON-CIRCULAR CROSS- SECTION
730690
OTHER:
About HSN heading 7306
The 4-digit code 7306 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.