Customer Service:
Mon - Fri: 8:30 am - 6 pm EST


ASTM D143-94(2007)

Standard Test Methods for Small Clear Specimens of Timber

1.1 These methods cover the determination of various strength and related properties of wood by testing small clear specimens.

1.1.1 These methods represent procedures for evaluating the different mechanical and physical properties, controlling factors such as specimen size, moisture content, temperature, and rate of loading.

1.1.2 Sampling and collection of material is discussed in Practice D5536. Sample data, computation sheets, and cards have been incorporated, which were of assistance to the investigator in systematizing records.

1.1.3 The values stated in inch-pound units are to be regarded as the standard. The SI values are given in parentheses and are provided for information only. When a weight is prescribed, the basic inch-pound unit of weight (lbf) and the basic SI unit of mass (Kg) are cited.

1.2 The procedures for the various tests appear in the following order:

Photographs of Specimens5
Control of Moisture Content and Temperature6
Record of Heartwood and Sapwood7
Static Bending8
Compression Parallel to Grain9
Impact Bending10
Compression Perpendicular to Grain12
Shear Parallel to Grain14
Tension Parallel to Grain16
Tension Perpendicular to Grain17
Nail Withdrawal18
Specific Gravity and Shrinkage in Volume19
Radial and Tangential Shrinkage20
Moisture Determination21
Permissible Variations22

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Content Provider
ASTM International [astm]

Others Also Bought

Standard Test Methods of Static Tests of Lumber in Structural Sizes
Standard Practice for Sampling Forest Trees for Determination of Clear Wood Properties
Standard Test Methods of Static Tests of Lumber in Structural Sizes
Document History
Revised By:
Included in Packages
This standard is not included in any packages.
Amendments & Corrections
We have no amendments or corrections for this standard.

As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.