ARTC Solution - Our Common Timbers, to mention a few

Softwood Lumber

Softwood Lumber

Our softwood lumber comes mainly from Scandinavia. But we also purchase in East Europe. All our special cuts come from Sweden. 

hardwood lumber

Hardwood Lumber

Hardwood lumber comes from North America and Europe. Special cuts are planed with the customer after their needs. 

Tropical Lumber

Tropical Lumber

Tropical lumber we cut standard products AD locally and KD and secondary processing we do in Sweden to guarantee quality and just in time deliver on project basis. 

CONTACT US FOR MORE INFO

OUR TECHNOLAGUES

Rottne harvesting team
We exclusively use Rottne or Tigercat machinery for harvesting due to their reliability. In Sweden, for example, we use a ROTTNE ROTTNE H11D harvester in combination with a ROTTNE F11D harvester. Small nibble and flexible machines that do their task in thinning as well as final harvest. 
When needed in sensitive areas we hire a Terri harvesting team. This way we leave minimum footprint when we harvest. 



Wesaborgs Log Saw ST-65 Line

When ever we can, we install Wesaborgs AB machinery as they give the best result. Highly effective and top of the line machinery and service. 

In some countries we us Wood Mizer. But all high end product is cut on Wesaborgs machinery. 


Teak loading in Tanga, Tanzania

All out lumber is dried in one of three ways. Air dried, kiln dried in traditional kilns or dried in vacuum kilns. This way we can guarantee that your lumber is dried the right way. 

SPECIES

Here you find the most common species that we deal with. If you don't find what you look for then contact us as we surely can assist you. 

NORWAY SPRUCE

NORWAY SPRUCE

Common Name(s): Norway Spruce, European Spruce, German Spruce

Scientific Name: Picea abies

Distribution: Northern and central Europe

Tree Size: 115-180 ft (35-55 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 25 lbs/ft3 (405 kg/m3)

Specific Gravity (Basic, 12% MC): .32, .41

Janka Hardness: 380 lbf (1,680 N)

Modulus of Rupture: 9,130 lbf/in2 (63.0 MPa)

Elastic Modulus: 1,406,000 lbf/in2 (9.70 GPa)

Crushing Strength: 5,150 lbf/in2 (35.5 MPa)

Shrinkage: Radial: 3.9%, Tangential: 8.2%, Volumetric: 12.9%, T/R Ratio: 2.1

SCOTS PINE

SCOTS PINE

Common Name(s): Scots Pine

Scientific Name: Pinus sylvestris

Distribution: Native to Europe and northern Asia; also planted in New Zealand and Northeastern and Midwestern United States.

Tree Size: 65-115 ft (20-35 m) tall, 2-3 ft (.6-1 m) trunk diameter

Average Dried Weight: 34 lbs/ft3 (550 kg/m3)

Specific Gravity (Basic, 12% MC): .39, .55

Janka Hardness: 540 lbf (2,420 N)

Modulus of Rupture: 12,080 lbf/in2 (83.3 MPa)

Elastic Modulus: 1,461,000 lbf/in2 (10.08 GPa)

Crushing Strength: 6,020 lbf/in2 (41.5 MPa)

Shrinkage: Radial: 5.2%, Tangential: 8.3%, Volumetric: 13.6%, T/R Ratio: 1.6

ENGLISH OAK

ENGLISH OAK

Common Name(s): English Oak, European Oak

Scientific Name: Quercus robur

Distribution: Most of Europe, to Asia Minor, and North Africa

Tree Size: 80-115 ft (24-35 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 42 lbs/ft3 (675 kg/m3)

Specific Gravity (Basic, 12% MC): .53, .67

Janka Hardness: 1,120 lbf (4,980 N)

Modulus of Rupture: 14,100 lbf/in2 (97.1 MPa)

Elastic Modulus: 1,544,000 lbf/in2 (10.60 GPa)

Crushing Strength: 6,720 lbf/in2 (46.3 MPa)

Shrinkage:Radial: 4.7%, Tangential: 8.4%, Volumetric: 13.0%, T/R Ratio: 1.8

EUROPEAN BEECH

EUROPEAN BEECH

Common Name(s): European Beech

Scientific Name: Fagus sylvatica

Distribution: Europe

Tree Size: 100-130 ft (30-40 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 44 lbs/ft3 (710 kg/m3)

Specific Gravity (Basic, 12% MC): .53, .71

Janka Hardness: 1,450 lbf (6,460 N)

Modulus of Rupture: 15,970 lbf/in2 (110.1 MPa)

Elastic Modulus: 2,075,000 lbf/in2 (14.31 GPa)

Crushing Strength: 8,270 lbf/in2 (57.0 MPa)

Shrinkage: Radial: 5.7%, Tangential: 11.6%, Volumetric: 17.3%, T/R Ratio: 2.0

RED OAK

RED OAK

Common Name(s): Red Oak

Scientific Name: Quercus rubra

Distribution: Northeastern United States and Southeastern Canada

Tree Size: 80-115 ft (25-35 m) tall, 3-6 ft (1-2 m) trunk diameter

Average Dried Weight: 44 lbs/ft3 (700 kg/m3)

Specific Gravity (Basic, 12% MC): .56, .70

Janka Hardness: 1,220 lbf (5,430 N)

Modulus of Rupture: 14,380 lbf/in2 (99.2 MPa)

Elastic Modulus: 1,761,000 lbf/in2 (12.14 GPa)

Crushing Strength: 6,780 lbf/in2 (46.8 MPa)

Shrinkage: Radial: 4.0%, Tangential: 8.6%, Volumetric: 13.7%, T/R Ratio: 2.2

HARD MAPLE

HARD MAPLE

Common Name(s): Hard maple, sugar maple, rock maple

Scientific Name: Acer saccharum

Distribution: Northeastern North America

Tree Size: 80-115 ft (25-35 m) tall, 2-3 ft (.6-1.0 m) trunk diameter

Average Dried Weight: 44.0 lbs/ft3 (705 kg/m3)

Specific Gravity (Basic, 12% MC): .56, .71

Janka Hardness: 1,450 lbf (6,450 N)

Modulus of Rupture: 15,800 lbf/in2(109.0 MPa)

Elastic Modulus: 1,830,000 lbf/in2(12.62 GPa)

Crushing Strength: 7,830 lbf/in2 (54.0 MPa)

Shrinkage: Radial: 4.8%, Tangential: 9.9%, Volumetric: 14.7%, T/R Ratio: 1.9

BLACK WALNUT

BLACK WALNUT

Common Name(s): Black Walnut

Scientific Name: Juglans nigra

Distribution: Eastern United States

Tree Size: 100-120 ft (30-37 m) tall, 2-3 ft (.6-1 m) trunk diameter

Average Dried Weight: 38 lbs/ft3 (610 kg/m3)

Specific Gravity (Basic, 12% MC): .51, .61

Janka Hardness: 1,010 lbf (4,490 N)

Modulus of Rupture: 14,600 lbf/in2 (100.7 MPa)

Elastic Modulus: 1,680,000 lbf/in2 (11.59 GPa)

Crushing Strength: 7,580 lbf/in2 (52.3 MPa)

Shrinkage: Radial: 5.5%, Tangential: 7.8%, Volumetric: 12.8%, T/R Ratio: 1.4

TEAK

TEAK

Common Name(s): Teak, Burmese Teak

Scientific Name: Tectona grandis

Distribution: Native to southern Asia;

Widely grown on plantations throughout tropical regions of Africa, Asia, and Latin America.

Tree Size: 100-130 ft (30-40 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 41 lbs/ft3 (655 kg/m3)

Specific Gravity (Basic, 12% MC): .55, .66

Janka Hardness: 1,070 lbf (4,740 N)

Modulus of Rupture: 14,080 lbf/in2 (97.1 MPa)

Elastic Modulus: 1,781,000 lbf/in2 (12.28 GPa)

Crushing Strength: 7,940 lbf/in2 (54.8 MPa)

Shrinkage: Radial: 2.6%, Tangential: 5.3%, Volumetric: 7.2%, T/R Ratio: 2.0

IROKO

IROKO

Common Name(s): Iroko

Scientific Name: Milicia excelsa, M. regia (syn. Chlorophora excelsa, C. regia)

Distribution: Tropical Africa

Tree Size: 100-130 ft (30-40 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 41 lbs/ft3 (660 kg/m3)

Specific Gravity (Basic, 12% MC): .55, .66

Janka Hardness: 1,260 lbf (5,610 N)

Modulus of Rupture: 12,700 lbf/in2 (87.6 MPa)

Elastic Modulus: 1,360,000 lbf/in2 (9.38 GPa)

Crushing Strength: 7,840 lbf/in2 (54.0 MPa)

Shrinkage: Radial: 2.8%, Tangential: 3.8%, Volumetric: 8.8%, T/R Ratio: 1.4

AFRICAN MAHOGANY

AFRICAN MAHOGANY

Common Name(s): African Mahogany

Scientific Name: Khaya spp. (Khaya anthotheca, K. grandifoliola, K. ivorensis, K. senegalensis)

Distribution: West tropical Africa

Tree Size: 100-130 ft (30-40 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 40 lbs/ft3 (640 kg/m3)

Specific Gravity (Basic, 12% MC): .52, .64

Janka Hardness: 1,070 lbf (4,760 N)

Modulus of Rupture: 13,190 lbf/in2 (91.0 MPa)

Elastic Modulus: 1,537,000 lbf/in2 (10.60 GPa)

Crushing Strength: 7,100 lbf/in2 (49.0 MPa)

Shrinkage: Radial: 4.2%, Tangential: 5.7%, Volumetric: 10.0%, T/R Ratio: 1.4

AFRORMOSIA

AFRORMOSIA

Common Name(s): Afrormosia, Afromosia, African Teak

Scientific Name: Pericopsis elata

Distribution: West Africa

Tree Size: 100-150 ft (30-46 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 45 lbs/ft3 (725 kg/m3)

Specific Gravity (Basic, 12% MC): .57, .72

Janka Hardness: 1,570 lbf (6,980 N)

Modulus of Rupture: 14,920 lbf/in2 (102.9 MPa)

Elastic Modulus: 1,715,000 lbf/in2 (11.83 GPa)

Crushing Strength: 9,570 lbf/in2 (66.0 MPa)

Shrinkage: Radial: 3.2%, Tangential: 6.2%, Volumetric: 9.9%, T/R Ratio: 1.9

GABOON EBONY

GABOON EBONY

Common Name(s): Gaboon Ebony, African Ebony, Nigerian Ebony, Cameroon Ebony

Scientific Name: Diospyros crassiflora

Distribution: Equatorial West Africa

Tree Size: 50-60 ft (15-18 m) tall, 2-3 ft (.6-1 m) trunk diameter

Average Dried Weight: 60 lbs/ft3 (955 kg/m3)

Specific Gravity (Basic, 12% MC): .82, .96

Janka Hardness: 3,080 lbf (13,700 N)

Modulus of Rupture: 22,930 lbf/in2 (158.1 MPa)

Elastic Modulus: 2,449,000 lbf/in2 (16.89 GPa)

Crushing Strength: 11,060 lbf/in2 (76.3 MPa)

Shrinkage: Radial: 8.3%, Tangential: 11.2%, Volumetric: 19.6%, T/R Ratio: 1.3

AFRICAN BLACKWOOD

AFRICAN BLACKWOOD

Common Name(s): African blackwood, Mpingo (Swahili)

Scientific Name: Dalbergia melanoxylon

Distribution: Dry savanna regions of central and southern Africa

Tree Size: 20-30 ft (6-9 m) tall, 2-3 ft (.6-1.0 m) trunk diameter

Average Dried Weight: 79 lbs/ft3 (1,270 kg/m3)

Specific Gravity (Basic, 12% MC): 1.08, 1.27

Janka Hardness: 3,670 lbf (16,320 N)

Modulus of Rupture: 30,970 lbf/in2(213.6 MPa)

Elastic Modulus: 2,603,000 lbf/in2(17.95 GPa)

Crushing Strength: 10,570 lbf/in2(72.9 MPa)

Shrinkage: Radial: 2.9%, Tangential: 4.8%, Volumetric: 7.7%, T/R Ratio: 1.7

MOVINGUI

MOVINGUI

Common Name(s): Movingui, Ayan, Nigerian Satinwood

Scientific Name: Distemonanthus benthamianus

Distribution: West Africa

Tree Size: 100-125 ft (30-38 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 45 lbs/ft3 (720 kg/m3)

Specific Gravity (Basic, 12% MC): .58, .72

Janka Hardness: 1,280 lbf (5,680 N)

Modulus of Rupture: 18,740 lbf/in2 (129.2 MPa)

Elastic Modulus: 1,773,000 lbf/in2 (12.23 GPa)

Crushing Strength: 8,890 lbf/in2 (61.3 MPa)

Shrinkage: Radial: 3.5%, Tangential: 5.7%, Volumetric: 10.0%, T/R Ratio: 1.6

ZEBRAWOOD

ZEBRAWOOD

Common Name(s): Zebrawood, Zebrano

Scientific Name: Microberlinia brazzavillensis

Distribution: West Africa

Tree Size: 65-130 ft (20-40 m) tall, 4-5 ft (1.2-1.5 m) trunk diameter

Average Dried Weight: 50 lbs/ft3 (805 kg/m3)

Specific Gravity (Basic, 12% MC): .67, .81

Janka Hardness: 1,830 lbf (8,160 N)

Modulus of Rupture: 17,800 lbf/in2 (122.8 MPa)

Elastic Modulus: 2,374,000 lbf/in2 (16.37 GPa)

Crushing Strength: 9,210 lbf/in2 (63.5 MPa)

Shrinkage: Radial: 7.6%, Tangential: 10.8%, Volumetric: 17.8%, T/R Ratio: 1.4

AFZELIA

AFZELIA

Common Name(s): Afzelia, doussie

Scientific Name: Afzelia spp.

Distribution: Tropical Africa (other species are also found in Asia)

Tree Size: 80-120 ft (25-37 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 50.1 lbs/ft3 (805 kg/m3)

Specific Gravity (Basic, 12% MC): .67, .80

Janka Hardness: 1,810 lbf (8,050 N)

Modulus of Rupture: 17,740 lbf/in2 (122.3 MPa)

Elastic Modulus: 2,094,000 lbf/in2 (14.44 GPa)

Crushing Strength: 10,750 lbf/in2 (74.1 MPa)

Shrinkage: Radial: 2.3%, Tangential: 3.9%, Volumetric: 6.3%, T/R Ratio: 1.7

BUBINGA

BUBINGA

Common Name(s): Bubinga, Kevazingo

Scientific Name: Guibourtia spp. (G. demeusei, G. pellegriniana, G. tessmannii)

Distribution: Equatorial Africa

Tree Size: 130-150 ft (40-45 m) tall, 3-6 ft (1-2 m) trunk diameter

Average Dried Weight: 56 lbs/ft3 (890 kg/m3)

Specific Gravity (Basic, 12% MC): .72, .89

Janka Hardness: 2,410 lbf (10,720 N)

Modulus of Rupture: 24,410 lbf/in2 (168.3 MPa)

Elastic Modulus: 2,670,000 lbf/in2 (18.41 GPa)

Crushing Strength: 10,990 lbf/in2 (75.8 MPa)

Shrinkage: Radial: 6.0%, Tangential: 8.2%, Volumetric: 13.9%, T/R Ratio: 1.4

EKKI

EKKI

Common Name(s): Ekki, Azobe

Scientific Name: Lophira alata

Distribution: West Africa

Tree Size: 100-150 ft (30-46 m) tall, 5-6 ft (1.5-1.8 m) trunk diameter

Average Dried Weight: 66 lbs/ft3 (1,065 kg/m3)

Specific Gravity (Basic, 12% MC): .82, 1.06

Janka Hardness: 3,220 lbf (14,330 N)

Modulus of Rupture: 28,390 lbf/in2 (195.8 MPa)

Elastic Modulus: 2,754,000 lbf/in2 (18.99 GPa)

Crushing Strength: 13,890 lbf/in2 (95.8 MPa)

Shrinkage: Radial: 8.0%, Tangential: 11.1%, Volumetric: 18.3%, T/R Ratio: 1.4

LIMBA

LIMBA

Common Name(s): Limba, Black Limba, White Limba, Korina, Afara

Scientific Name: Terminalia superba

Distribution: Tropical western Africa

Tree Size: 65-100 ft (20-30 m) tall, 5-7 ft (1.5-2.2 m) trunk diameter

Average Dried Weight: 35 lbs/ft3 (555 kg/m3)

Specific Gravity (Basic, 12% MC): .43, .56

Janka Hardness: 670 lbf (2,990 N)

Modulus of Rupture: 12,510 lbf/in2 (86.2 MPa)

Elastic Modulus: 1,520,000 lbf/in2 (10.49 GPa)

Crushing Strength: 6,580 lbf/in2 (45.4 MPa)

Shrinkage: Radial: 4.3%, Tangential: 6.3%, Volumetric: 10.8%, T/R Ratio: 1.5

BELI

BELI

Common Name(s): Beli

Scientific Name: Julbernardia pellegriniana

Distribution: Africa (Cameroon, Gabon)

Tree Size: 65-100 ft (20-30 m) tall, 3-5 ft (1-1.5 m) trunk diameter

Average Dried Weight: 48 lbs/ft3 (770 kg/m3)

Specific Gravity (Basic, 12% MC): .60, .77

Janka Hardness: 1,480 lbf (6,580 N)

Modulus of Rupture: 19,540 lbf/in2 (134.8 MPa)

Elastic Modulus: 2,334,000 lbf/in2 (16.09 GPa)

Crushing Strength: 9,740 lbf/in2 (67.2 MPa)

Shrinkage: Radial: 4.4%, Tangential: 9.2%, Volumetric: 13.7%, T/R Ratio: 2.1

Sustainable logging and sawing 

All our lumber and the lumber under this section, ARTC Solution - Our Common Timbers, to mention a few, is all logged and sawn in an environmental and sustainable manner. ARTC Solution never deal with illegally or non-sustainably produced lumber. 

Our solution is to work close with our suppliers to make sure they produce good sustainable timbers.

Did we mention that the same principal is followed world wide?