North American origin wood related knowledge
The Midwestern United States, including Missouri, Iowa, and Kansas, is known for its abundance of American hardwoods. Since its establishment in 1880, the first sawmill has been in existence for more than a hundred years. Most of the hardwood logs produced here are special woods with a diameter of 18" or more and a tree growth period of 30 to 50 years.
The log production and wood processing plants of Roy Trading are located in Ai and Huazhou and Pennsylvania. We export hundreds of logs per year to Asian countries such as China. Hardwood logs and boards supplied by Roy Trading are compliant with the National Hardwood Lumber Association (NHLA) rating.
Supply of high-quality, high-quality North American native hardwood logs and boards, including:
·American Black Walnut / Black Walnut Logs & Plates · American Red Oak / Red Oak Wood & Plate · American White Oak / White Oak Wood & Plate · American Cherry / Cherry Wood & Plate · American Hard Maple / Hard Maple Wood and Plates · American Soft Maple / Soft Maple Logs and Plates · American Ash/Ash Logs and Plates · American American Elm? Miyazaki?/ Basswood Logs and Plates · American American Beech / Beech?
·United States American Birch / Yellow Birch Logs and Plates · American Boxwood / Yellow Poplar Logs and Plates · American Aromatic Red Cedar / Aromatic Red Cedar Wood and Plate
Logs: planing and sawing grades; 0, 1, 2, 3, 4 sides clear. 8' feet or more.
Sheet: Thickness 3/4, 4/4, 5/4, 6/4, 8/4, 10/4. 3'- 7' feet long.
Our company provides a full range of transportation and after-sales services for export to Asia. You can order in China and we will ship the wood to CIF (CIF) to major ports in China.
>>> North American Wood Size Description
American Lumber Size Definitions
The North American wood size is the smallest measurement unit and carry unit in 1/4" inches. The 1" inch thickness of the sheet is written as 4/4, and so on. The standard thickness of North American wood is: 3/4, 4/4, 5/4, 6/4, 8/4, 10/4, 12/4, etc. The US and metric systems for wood thickness dimensions are shown below.
1 inch (inch) = 25.4 mm (mm)
1 mm (mm) = 0.0394 inches (inch)
1 foot (feet) = 12 inches (inch)
>>> North American Wood Related Definitions
American Lumber Related Definitions
4/4, 5/4, 6/4, 8/4
These are units of measure for the thickness of unsurfaced lumber (rough).
The thickness of the previous plate was not polished.
Board Foot (bf)
This is a unit of measure one foot long, one foot wide, and one inch thick or its equivalent. In surfaced lumber, the board foot is taken from the lumber before surfacing.
Board ruler: is the volume unit of North American plates. The equivalent of a 1 foot long, 1 foot wide, 1 inch thick sheet. The polished plate volume is calculated based on the volume before grinding. 1MBF (Thousand feet) is the meaning of 1000 Board Foot. Usually, for the board: 1MBF = 2.36 M3, that is, 1 thousand feet = 2.36 cubic meters.
This is the process of taking moisture out of boards, the process of which affects stability. Kiln dried lumber is nominal 7% to 9% moisture content.
Dry kiln plate with water content between 7% and 9%.
This is the lumber before the removal of moisture.
Fresh plates, ie plates that are not dried.
Random Widths and Lengths(RW,RL)
This refers to the variation in widths, always measured in inches, and in lengths, always measured in feet. When a minimum width and length is ordered all lumber shipped will be minimum or wider, minimum or longer.
Natural wide (RW) and natural long (RL) sheets for sheet grades that meet the requirements of the American Hardwood Association.
This is unsurfaced lumber.
There are no polished sheets.
This is lumber that is planed or surfaced on two sides.
2 clean plates, the front and back sides of the plate are polished.
This is lumber that is planed or surfaced on four sides.
4 clean plates, which are polished on the front, back and left and right sides of the plate.
These are lengths or widths that are specifically requested. (Example: 6" wide boards or 6' long boards.)
Grades that meet the requirements of the American Hardwood Association: Premium (generally 6" wide and 6 feet long)
1 Common Grade of Lumber - Grades at least 66.66% clear in cuttings 3" wide by 3' long or 4" wide by 4' long minimum. Minimum 3" wide by 4' long.
Grades meeting the requirements of the American Hardwood Association: Normal Grade 1, at least 66.66% surface clean, 3 inches wide or more, 3 feet long or more; or 4 inches wide or more, 4 feet long or longer. The minimum size is 3 inches wide and 4 feet long.
2 Common Grade of Lumber - Grades at least 50% clear in cuttings 3" wide by 3' long. Minimum 3" wide by 4' long.
Grades meeting the requirements of the American Hardwood Association: Normal Grade 2, at least 50% clean, 3 inches wide, 3 feet long, and the smallest size is 3 inches wide and 3 feet
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