7304593000
- Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel
- Other, of circular cross-section, of other alloy steel
- Other
- Straight and of uniform wall thickness, of alloy steel containing by weight not less than 0,9 % but not more than 1,15 % of carbon, not less than 0,5 % but not more than 2 % of chromium and, if present, not more than 0,5 % of molybdenum