Dry sawn or planed wood of softwood species

NCh1970/2:2017 Maderas - Parte 2: Especies coníferas - Clasificación visual para uso estructural - Especificaciones de los grados de calidad (Chilean Standard (NCh) No. 1970/2:2017: Wood - Part 2: Softwood - Visual classification for structural purposes - Specifications for grading) (27 pages, in Spanish)

1.1. The notified Standard establishes the requirements to be met by dry sawn or planed wood (moisture content ≤ 20%) of softwood species, intended for structural use and classified visually.

1.2. The softwood species to which this Standard applies are listed in Table 1. Table 1 - Softwood species grown in Chile for structural use - Common name - Botanical name - Structural group in dry state under Chilean Standard (NCh) No. 1989; Guaitecas cypress - Pilgerodendron uvifera - ES6; Chilean cedar - Austrocedrus chilensis - ES5; Prince Albert yew - Saxegothaea conspicua - ES6; Willow-leaf podocarp - Podocarpus saligna - ES4; Chilean Totara - Podocarpus nubigena - ES5; Douglas fir - Pseudotsuga menziesii - ES5. 

NOTE: The wood of softwood species that do not appear in this list, except for Pinus radiata, may be classified using the specifications in this Standard, provided that due account is taken of the structural group, in dry state, to which it belongs.