Steel, alloy; tubes, pipes and hollow profiles (other than stainless steel or seamless), welded, of circular cross-section, n.e.c. in chapter 73

730650 Other, welded, of circular cross section, of other alloy steel:

7306501000 Having a wall thickness of less than 1.65 mm

7306503000 Tapered pipes and tubes of steel principally used as parts of illuminating articles

73065050 Other

7306505010 Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn

7306505030 Other, cold-drawn or cold-rolled (cold- reduced)

7306505050 With an outside diameter not exceeding 114.3 mm

7306505070 With an outside diameter exceeding 114.3 mm but not exceeding 406.4 mm

7306500000 Steel, alloy; tubes, pipes and hollow profiles (other than stainless steel or seamless), welded, of circular cross-section, n.e.c. in chapter 73

7306502100

7306502900

7306508000

73065000 Other, welded, of circular cross-section, of other alloy steel

73065010 Of a wall thickness of more than 1.8 mm

73065090 Other

7306502900 Other

7306508000 Other