This standard BS EN 338:2016 - TC Tracked Changes. Structural timber. Strength classes is classified in these ICS categories:
79.040 Wood, sawlogs and sawn timber
This European Standard establishes a system of strength classes for general use in design codes. It gives characteristic strength and stiffness properties and density values for each class to which EN 14081-1 refers. This standard is applicable to all softwood and hardwood timber for structural use.