Defines a system of strength classes for general use in structural codes. It also provides characteristic strength and stiffness properties and density values for each class and the rules for the allocation of timber populations (i.e. combinations of species, source and grade) to the classes.

NEN EN 338:2003

NEN EN 338:2016

I.S. EN 338:2009 - Identical

NF EN 338:2009 - Identical

BS EN 338:2009 - Identical

DIN EN 338 (2010-02) - Identical

UNE EN 338:2010 - Identical

NBN EN 338:2009 - Identical

ONORM EN 338:2009 - Identical

SS EN 338 Ed. 3 (2009) - Identical

UNI EN 338:2009 - Identical

NS EN 338:2009 - Identical

SN EN 338:2009 - Identical

SN EN 338:2003 - Identical

UNE EN 338:2003 - Identical

NS EN 338 Ed. 2 (2003) - Identical

NBN EN 338:2003 - Identical

EN 338:2016 - Identical