HSN CodeHSN Description

73072900Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel - other, of stainless steel : other

73079110Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel - other : flanges : galvanised

74122090Copper tube or pipe fittings (for example, couplings, elbows, sleeves) - of copper alloys : fittings of bronze or other alloys of copper

84818010Taps, cocks, valves and similar appliances for pipes, boiler shells, tanks, vats or the like, including pressure-reducing valves and thermostatically controlled valves - other appliances: taps, cocks and similar appliances of iron or steel

39172110Tubes, pipes and hoses, and fittings therefor (for example, joints, elbows, flanges), of plastics - tubes, pipes and hoses, rigid: of polymers of ethylene:tubes of polyethylene