Line pipe of a kind used for oil or gas pipelines, seamless, of iron or steel, of an external diameter of > 168,3 mm but < 406,4 mm (excl. products of stainless steel or of cast iron)
Line pipe of a kind used for oil or gas pipelines, seamless, of iron or steel, of an external diameter of > 406,4 mm (excl. products of stainless steel or of cast iron)
Line pipe of a kind used for oil or gas pipelines, seamless, of iron or steel, of an external diameter of < 168,3 mm (excl. products of stainless steel or of cast iron)