NBN EN 10220 : 2003

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Classification of outside diameters
5 Method of calculating masses per unit length
6 Dimensions and masses per unit length
Bibliography

Gives preferred dimensions for outside diameter and wall thickness in millimetres and masses per unit length in kilogrammes per metre of plain end tube for seamless and and welded circular steel tubes for general purposes.