Standard

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AS 2082-2007

[Current]

Timber — Hardwood — Visually stress-graded for structural purposes

Specifies requirements for visually stress-graded sawn hardwood intended for structural purposes, at the time of grading.

Published: 07/12/2007

Pages: 46

Table of contents

Cited references

Content history

Table of contents

Header

About this publication

Preface

1 Scope and general

1.1 Scope

1.2 Application

1.3 Referenced documents

1.4 Definitions

1.5 Timber species and stress grades

1.5.1 Species and species mixtures other than A17 grade

1.5.2 A17 grade

1.6 Structural grades of hardwood

1.7 Sizes and tolerances

1.7.1 Dimensions

1.7.2 Squareness

1.7.3 Special straightness requirements

1.8 Moisture content of seasoned timber

1.8.1 Testing

1.8.2 Seasoned timber

1.9 Characteristics

1.9.1 Measurement of characteristics

1.9.2 Combination of characteristics

1.9.3 Characteristics occurring entirely within the prescribed limits for want and wane

1.9.4 Mechanical damage

1.10 Grade limitation and grading

1.10.1 Basis

1.10.2 Limitations

1.10.3 Variations in assessment

1.10.4 Re-sawing

1.10.5 Grading check

1.10.6 Moisture content of preservative-treated timber

1.10.7 Docking of multiple lengths

1.11 Sapwood susceptible to lyctid borers

1.12 Preservative treatment

1.13 Identification of grade

2 Grade descriptions

2.1 Structural Grade No. 1

2.1.1 General

2.1.2 Permissible characteristics

2.2 Structural Grade No. 2

2.2.1 General

2.2.2 Permissible characteristics

2.3 Structural Grade No. 3

2.3.1 General

2.3.2 Permissible characteristics

2.4 Structural Grade No. 4

2.4.1 General

2.4.2 Permissible characteristics

2.5 Structural appearance grades

3 A17 grade description

3.1 General

3.2 Seasoned victorian ash—A17

3.2.1 General

3.2.2 Permissible characteristics

Appendix A

A1 Properties of structural timbers

A2 Legend to Tables A1, A2, A3 and A4

A3 F-grades for specific in-grade tested species (containing heart)

Appendix B

Appendix C

C1 Knots, knot holes, holes other than those made by insects and occluded branch stubs

C2 Borer holes

C3 Slope of grain

C4 Gum pockets, gum veins, resin pockets, overgrowths of injury, and primary rot

C5 Checks

C6 Wane, want and Lyctid-susceptible sapwood

C7 Bow and spring

C8 Twist

C9 Cup

Appendix D

Cited references in this standard

AS/NZS 4491:1997

[Current]

Timber — Glossary of terms in timber-related Standards

AS/NZS 4063:1992

[Superseded]

Timber — Stress-graded — In-grade strength and stiffness evaluation

AS/NZS 2878:2000

[Current]

Timber — Classification into strength groups

AS/NZS 1148:2001

[Current]

Timber — Nomenclature — Australian, New Zealand and imported species

AS/NZS 1080.2:2006

[Current]

Timber — Methods of test, Method 2: Slope of grain

Content history

AS 2082-2000

[Superseded]

DR 06039

AS 2082-2007 REC:2017

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