This European Standard specifies the requirements for non-alloy steel tubes for use with EN 74 couplers in the construction of falsework and working scaffolds. It includes detailed requirements for marking to aid long-term identification, for protective coating by reference to European and International Standards, and for inspection and testing.
EN 39:2001 history
2001EN 39:2001 Loose steel tubes for tube and coupler scaffolds - Technical delivery conditions
1976EN 39:1976 Steel Tubes: for Working Scaffolds; Requirements, Tests