Ukrainian state standards of round timber products
Round timber hardwoods. Requirements in accordance with GOST 9462-88
Saw logs of the hardwoods, delivered for export. Specifications
Pulpwood for export. Specifications
The basic defects and their account
Last News:
14 Dec 2006
Veneer section and
gallery updated
14 Dec 2006
Flooring boards information updated
19 Sep 2007
Sawn timber section and prices updated
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SAW LOGS OF THE HARDWOODS, DELIVERED FOR EXPORT. SPECIFICATIONS
Requirements in accordance with GOST 22299-76E
| # |
Parameter, attribute |
The requirement |
| 1 grade |
2 grade |
| 1 |
Breed of wood |
according to the specification |
| 2 |
Nominal length, m |
from 3,0 up to 6,5 with gradation 0,25 |
| 3 |
Deviations from nominal length, m |
from +0,05 up to +0,10 |
| 4 |
Least diameter of a log, cm |
14 |
14 |
| 5 |
Diameter of the greatest knot, cm |
3,0 |
5,0 |
| 6 |
Diameters of taken into account knots, cm |
2,0 - 3,0 |
3,5 - 5,0 |
| 7 |
Quantity of taken into account knots on 1 m of length of a log, pieces |
4 |
4 |
| 8 |
Quantity of taken into account rotten knots on 1 m of length of a log, pieces |
not allowed |
2 |
| 9 |
Tobacco knots |
not allowed |
| 10 |
Thickness of a cutting of kernel decays and hollow, shares of diameter of a butt-end
(on one of butt-ends) |
0,20 |
0,33 |
| 11 |
Thickness of a cutting of kernel decays and hollow, shares of diameter of a butt-end
(on one of butt-ends) |
not allowed |
0,2 |
| 12 |
Blue (except for superficial) |
not allowed |
| 13 |
Depth of butt-end brown streak, cm |
1,0 |
1,0 |
| 14 |
Lateral brown streak |
not allowed |
| 15 |
Thickness of a heart-shaped cutting of heart shake, cup shake, frosty cracks, bark
pocket closed, shares of diameter of a butt-end |
0,20 |
0,33 |
| 16 |
Depth of lateral cracks from shrinkage, shares of diameter of a butt-end |
0,05 |
0,05 |
| 17 |
Depth of butt-end cracks from shrinkage |
not more than allowance on length of a log |
| 18 |
Wormhole (deep and superficial) |
not allowed |
| 19 |
Height of curvature, percentage from length of a log:
simple |
1,0 |
2,0 |
| complex: |
0,5 |
1,0 |
| 20 |
The greatest deviation of fibres from the straight direction on length of 1 m, shares
of diameter of the top butt-end |
0,33 |
0,5 |
| 21 |
Double core, canker and the stepson |
not allowed |
| 22 |
Depth of mechanical damages, open bark pocket, carbonization of wood, scar,
shares of diameter of a log in a place of damage |
0,10 |
0,10 |
| 23 |
Height of knots (from bark), cm |
0 |
0 |
| 24 |
Butt trimming |
0,1 |
0,1 |
|
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