ASTM D6570 - 04(2010)

    Standard Practice for Assigning Allowable Properties for Mechanically Graded Lumber

    Active Standard ASTM D6570 | Developed by Subcommittee: D07.02

    Book of Standards Volume: 04.10


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    ASTM D6570

    Significance and Use

    The procedures described in this practice are intended to be used to establish appropriate allowable unit stresses, moduli of elasticity, and specific gravity for mechanically graded solid sawn lumber. An on-going quality control program to monitor compliance with the assigned grade properties is required.

    1. Scope

    1.1 This practice covers the methodology of grade qualification, assignment of design properties, and requirements for the quality control of mechanically graded solid sawn lumber.

    1.2 This practice acknowledges alternative methods for the assignment of specific properties. These methods are assignment by test, relationship to other properties, and by procedures in other appropriate standards.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    National Institute of Standards and Technology Standard

    PS20 Voluntary Product Standard, American Softwood Lumber Standard

    Canadian Standards Association Standard

    CSAO141 Softwood Lumber

    ASTM Standards

    D9 Terminology Relating to Wood and Wood-Based Products

    D143 Test Methods for Small Clear Specimens of Timber

    D198 Test Methods of Static Tests of Lumber in Structural Sizes

    D245 Practice for Establishing Structural Grades and Related Allowable Properties for Visually Graded Lumber

    D1165 Nomenclature of Commercial Hardwoods and Softwoods

    D1990 Practice for Establishing Allowable Properties for Visually-Graded Dimension Lumber from In-Grade Tests of Full-Size Specimens

    D2395 Test Methods for Specific Gravity of Wood and Wood-Based Materials

    D2555 Practice for Establishing Clear Wood Strength Values

    D2915 Practice for Sampling and Data-Analysis for Structural Wood and Wood-Based Products

    D3737 Practice for Establishing Allowable Properties for Structural Glued Laminated Timber (Glulam)

    D4442 Test Methods for Direct Moisture Content Measurement of Wood and Wood-Base Materials

    D4444 Test Method for Laboratory Standardization and Calibration of Hand-Held Moisture Meters

    D4761 Test Methods for Mechanical Properties of Lumber and Wood-Base Structural Material

    ANSI Standards

    ANSI/AF&PANDS National Design Specification for Wood Construction


    ICS Code

    ICS Number Code 79.080 (Semi-manufactures of timber)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/D6570-04R10

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