GB 449-1984
Replaced
GB/T 1927.19-2021
Active
National standards
GB/T 1927.19-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 19:Determination of static hardness
GB/T 1927.19-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 19:Determination of static hardness
Price:
$ 50
Basic Information
Standard Code:
GB/T 1927.19-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Raw logs and original timber
ICS Name:
\nTimber, logs, and sawn timber
Publish Date:
2021-12-31
Implement Date:
2022-07-01
Pages:
8 pages
Scope
This document describes the testing equipment, samples, testing procedures, result calculation, and test result recording and reporting for determining the hardness of wood. This document is applicable to the determination of the hardness of flawless small samples of wood on their radial, tangential, and end surfaces.
Development Information
Same series standard
GB/T 1927.1-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 1:Collection of sample tree
GB/T 1927.2-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 2:Sampling methods and general requirements
GB/T 1927.3-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 3:Determination of the growth rings width and latewood rate of wood
GB/T 1927.4-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 4:Determination of moisture content
GB/T 1927.5-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 5: Determination of density
GB/T 1927.6-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 6:Determination of shrinkage
GB/T 1927.7-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 7:Determination of water absorption
GB/T 1927.8-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 8: Determination of swelling
GB/T 1927.9-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 9:Determination of bending strength
GB/T 1927.10-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 10:Determination of modulus of elasticity in bending
GB/T 1927.12-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 12:Determination of strength in compression perpendicular to grain
GB/T 1927.17-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 17:Determination of impact bending strength
GB/T 1927.18-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 18:Determination of resistance to impact indentation
GB/T 1927.20-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 20:Determination of cleavage strength
Replace the following standards
Referenced Standards
GB/T 1927.2-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 2:Sampling methods and general requirements
GB/T 1927.4-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 4:Determination of moisture content
GB/T 1927.5-2021 Test methods for physical and mechanical properties of small clear wood specimens—Part 5: Determination of density
LY/T 1788-2008 Standard terminology relating to wood properties
LY/T 1788-2023 Vocabulary of wood properties
Adopt standards
ISO 13061-12:2017
Related Standards
GB 4814-1984
Replaced
GB 4814-1984 Log volume table
GB 4815-1984
Replaced
GB 4815-1984 Volume table of Chinese fir tree poles
GB/T 11717-1989
Replaced
GB/T 11717-1989 Pulp logs
GB/T 1930-1991
Replaced
GB/T 1930-1991 Method for determination of the annual rings width and latewood rate of wood
GB/T 15106-1994
Replaced