Hardwood Lumber

Properties and Grades

Dimensions
FAS-SelectNo1 CommonNo2 Common
Width (random)4″ (100 mm) and more3″ (76,2 mm) and more3″ (76,2 mm) and more
Length (random)6′ (1,83 m) and more4′ (1,22 m) and more4′ (1,22 m) and more
Thickness4/4″ (25,4 mm); 5/4″ (31,75 mm); 6/4″ (38,1 mm);
8/4″ (50,8 mm);10/4″ (63,5 mm); 12/4 76,2 mm)
Physical Properties
Hard mapleSoft mapleYellow birchWhite birchRed oakWhite oakWhite AshBeechBasswoodAspenCherryWalnut
Volumic mass (kg/m3)659545608571612676613667417408551594
Hardness (N)729043805930432061707130705064902140214046305910
Bending Strenght (MP)11597,610694,898,712110811660,867,687,1103
Stiffness (MP)14100111001410012900119001550012800140009450112001190013100
Working Properties
Hard mapleSoft mapleYellow birchWhite birchRed oakWhite oakWhite AshBeechBasswoodAspenCherryWalnut
MachinabilityExcellentVery goodExcellentVery goodExcellentGoodVery goodGoodVery goodGoodExcellentGood
StabilityGoodGoodGoodGoodVery goodExcellentVery goodGoodGoodFairGoodExcellent
GluingGoodGoodGoodGoodGoodGoodGoodVery goodVery goodGoodVery goodExcellent
SandablityVery goodGoodGoodGoodGoodGoodFairVery goodGoodFairExcellentVery good
NailabilityGoodFairGoodGoodExcellentFairGoodFairFairFairFairFair
PaintabilityGoodGoodGoodGoodGoodGoodExcellentGoodExcellentGoodGoodGood
StainabilityGoodVery goodVery goodVery goodGoodGoodGoodGoodGoodGoodVery goodGood
Physical Properties of Essences (In Ascending Order)
Density (kg/m3)408
Aspen		417
Basswood		545
Soft maple		551
Cherry		571
White birch		594
Walnut		608
Yellow birch		612
Red oak		613
White Ash		659
Hard maple		667
Beech		676
White oak
Hardness (N)2140
Aspen		2140
Basswood		4320
White birch		4380
Soft maple		4630
Cherry		5910
Walnut		5930
Yellow birch		6170
Red oak		6490
Beech		7050
White Ash		7130
White oak		7290
Hard maple
Bending Strenght (MP)60,8
Basswood		67,6
Aspen		87,1
Cherry		94,8
White birch		97,6
Soft maple		98,7
Red oak		103
Walnut		106
Yellow birch		108
Frêne Ash		115
Hard maple		116
Beech		121
White oak
Stiffness (MP)9450
Basswood		11100
Soft maple		11200
Aspen		11900
Cherry		11900
Red oak		12800
White Ash		12900
White birch		13100
Walnut		14000
Beech		14100
Hard maple		14100
Yellow birch		15500
White oak