7609 Aluminium; tube or pipe fittings (e.g. couplings, elbows, sleeves)

7609.00 Aluminium; tube or pipe fittings (e.g. couplings, elbows, sleeves)

• 7609.00.00.10 For use in certain types of aircraft5.9%
• 7609.00.00.30 Aluminium connecting block for automotive air conditioning systems: with a T6 hardening; equipped with round stubs with a circumferential outer groove; with through or non-through holes, made of profiles with an upper radius of 8 mm or more but not more than 11 mm, and a lower radius of 12 mm or more but not more than 17 mm; with a distance between holes of 15 mm or more but not more than 22 mm; with sockets designed for brazing or clamping; with mounting holes for M6 or M8 mounting screw, threaded or not; with a width of 5 mm or more but not more than 16 mm; for connecting a compressor, a condenser, an evaporator, a chiller and other lines5.9%
• 7609.00.00.40 Flame brazed aluminium block for connecting tubes in automotive heat exchangers and/or turbocharged air coolers and/or automatic transmission coolers: with extruded, bent connection tubes with an outer diameter of 5 mm or more, but not more than 25 mm; with a weight of 0,02 kg or more, but not more than 0,25 kg; for use in the manufacture of cooling system in vehicles of Chapter 875.9%
• 7609.00.00.50 Machined aluminium components: containing by weight 0,55 %, or more but not more than 0,61 % of magnesium; containing by weight 0,55 %, or more but not more than 0,61 % of silicon; with a hardening state of T5 or T6; with a mass of 0,05 kg or more, but not more than 0,2 kg; for use in the manufacture of CO₂ cooling systems in motor vehicles5.9%
• 7609.00.00.60 Aluminium connection block: with a weight of 3 g or more but not more than 400 g; manufactured from 6061-T6 or 6060-T6 or 6082-T6 aluminium grade; being an integral part of an air conditioning hose assembly or oil cooling line hose assembly or air brake line hose assembly or water cooling line hose assembly; with holes (sockets) or splines (pilots) or threads that allow installation in an automotive or other air conditioning system (also understood as installation in the line); with sockets designed for brazing or fastening; with at least 1 through-hole with a diameter of 3 mm or more but not more than 25 mm; for the manufacture of automotive cooling and air conditioning systems5.9%
• 7609.00.00.90 Other5.9%