標準號：BS EN 975-1-2009
中文標準名稱：木材,硬木鋸材的目測分級.第1部分:橡樹和山毛櫸
英文標準名稱：Sawn timber — Appearance grading of hardwoods Part 1: Oak and beech
標準類型：B69
發布日期：2009/4/30 12:00:00
實施日期：2009/4/30 12:00:00
中國標準分類號：B69
國際標準分類號：79.040
引用標準：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
適用范圍：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).