Tubes, pipes and hollow profiles, welded, of non-circular cross-section, of stainless steel (excl. tubes and pipes having internal and external circular cross-sections and an external diameter of > 406,4 mm, line pipe of a kind used for oil or gas pipelines or casing and tubing of a kind used in drilling for oil or gas, and tubes and pipes and hollow profiles of square or rectangular cross-section)

Tubes, pipes and hollow profiles, welded, of non-circular cross-section, of iron or steel other than stainless steel (excl. tubes and pipes having internal and external circular cross-sections and an external diameter of > 406,4 mm, line pipe of a kind used for oil or gas pipelines or casing and tubing of a kind used in drilling for oil or gas, and tubes and pipes and hollow profiles of square or rectangular cross-section)

Tubes, pipes and hollow profiles "e.g., open seam, riveted or similarly closed", of iron or steel (excl. of cast iron, seamless or welded tubes and pipes and tubes and pipes having internal and external circular cross-sections and an external diameter of > 406,4 mm)

Tube or pipe fittings of non-malleable cast iron, of a kind used in pressure systems

Tube or pipe fittings of non-malleable cast iron (excl. products of a kind used in pressure systems)

Tube or pipe fittings of cast iron (excl. of non-malleable)

Cast tube or pipe fittings of steel

Flanges of stainless steel (excl. cast products)

Sleeves, of stainless steel, threaded (excl. cast products)

Elbows and bends, of stainless steel, threaded (excl. cast products)

Butt welding elbows and bends of stainless steel (excl. cast products)

Butt welding tube or pipe fittings of stainless steel (excl. cast products and elbows and bends)

Threaded tube or pipe fittings of stainless steel (excl. cast products, flanges, elbows, bends and sleeves)

Tube or pipe fittings of stainless steel (excl. cast, threaded, butt welding fittings and flanges)

Flanges of iron or steel (excl. cast or stainless products)