The standard applies to the selection of the outer diameter and wall thickness of welded precis on steel tubes. The standard applies for general construction purposes. Notes 1. For welded precis on steel pipes for central heating and gas installations, see NEN 1982 (in preparation). 2. For outer diameters and wall thicknesses not included in the table on page 2, see NEN 2399.
NEN 1894-1984 history
1984NEN 1894-1984 Welded precision steel tubes for construction purposes - Dimensions and linear masses