BS EN 975-1-2009 木材,硬木锯材的目测分级.第1部分:橡树和山毛榉

标准号：BS EN 975-1-2009
中文标准名称：木材,硬木锯材的目测分级.第1部分:橡树和山毛榉
英文标准名称：Sawn timber — Appearance grading of hardwoods Part 1: Oak and beech
标准类型：B69
发布日期：2009/4/30 12:00:00
实施日期：2009/4/30 12:00:00
中国标准分类号：B69
国际标准分类号：79.040
引用标准：EN 844-1-1995;EN 844-3-1995;EN 844-4-1997;EN 844-6-1997;EN 844-7-1997;EN 844-9-1997;EN 844-10-1998;EN 844-11-1998;EN 844-12-2000;EN 1310;EN 1311;EN 1313-2
适用范围：This European Standard specifies the rules determining the quality of appearance graded sawn timber. Itdescribes various grades of temperate hardwood rough sawn timber and regularized timber for which it laysdown denominations and definitions. It also gives rules for composition and acceptance of batches.This standard gives minimum requirements for each grade classification. Sawn timber not included withinlimits given in this standard may be defined, if necessary, by contract specifications established on the basisof this standard.This standard applies to grading of green and dried timber. Characteristics apply at the time of grading.This standard does not apply to the strength grading of structural timber or to sawn timber for pallets.This standard is applicable to the following products:a) Oak sawn timber, in the following categories:1) Un-edged boards: individual selected pieces and boules;2) Square edged timber and strips (not exceeding 41 mm thickness);3) Baulks (sum of thickness + width ≥ 200 mm and thickness ≥ 80 mm).b) Beech sawn timber, in the following categories:1) Un-edged boards: individual selected pieces and boules;2) Square edged timber and strips;3) Prepared timber (dried timber).