erformance characteristics;Quality;Quality characteristics;Quality condition;Reception;Sawn timber;Sawn timber of broadleaved species;Slats;Specification (approval);Timber in logs;Visual inspection (testing);Wood【摘要】: 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).【中国标准分类号】: B69【国际标准分类号】: 79_040【页数】: 38P.;A4【正文语种】: 英语 | 欢迎光临 世界资料网论坛 (http://bbs.infoeach.com/) | Powered by Discuz! X2.5 |