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Shrinkage / Swelling Table |
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Coefficients for dimensional change due to shrinkage or swelling within moisture content limits of 6 to 14 percent. |
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HARDWOODS |
Dimensional change coefficient |
Species |
Radial CR |
Tangential Cr |
Species |
Radial CR |
Tangential Cr |
Alder, red |
.00151 |
.00256 |
Locust, black |
.00158 |
.00252 |
Apple |
.00205 |
.00376 |
Madrone, Pacific |
.00194 |
.00451 |
Ash, Black |
.00172 |
.00274 |
Magnolia, Cucumbertree |
.00180 |
.00312 |
Ash, Oregon |
.00141 |
.00285 |
Magnolia, Southern |
.00187 |
.00230 |
Ash, Pumpkin |
.00126 |
.00219 |
Magnolia, Sweetbay |
.00162 |
.00293 |
Ash, White, green |
.00169 |
.00274 |
Maple, Bigleaf |
.00126 |
.00248 |
Aspen, quaking |
.00119 |
.00234 |
Maple, Red |
.00137 |
.00289 |
Basswood, American |
.00230 |
.00330 |
Maple, Silver |
.00102 |
.00252 |
Beech, American |
.00190 |
.00431 |
Maple, Sugar, black |
.00165 |
.00353 |
Birch, Paper |
.00219 |
.00304 |
Red oak, Commercial red |
.00158 |
.00369 |
Birch, River |
.00162 |
.00327 |
Red oak, California black |
.00123 |
.00230 |
Birch, Yellow, sweet |
.00256 |
.00338 |
Red oak, Water, laurel, willow |
.00151 |
.00350 |
Buckeye, yellow |
.00123 |
.00285 |
White oak, Commercial white |
.00180 |
.00365 |
Butternut |
.00116 |
.00223 |
White oak, Live |
.00230 |
.00338 |
Catalpa, northern |
.00085 |
.00169 |
White oak, Oregon white |
.00144 |
.00327 |
Cherry, black |
.00126 |
.00248 |
White oak, Overcup |
.00183 |
.00462 |
Chestnut, American |
.00116 |
.00234 |
Persimmon, common |
.00278 |
.00403 |
Cottonwood, Black |
.00123 |
.00304 |
Sassafras |
.00137 |
.00216 |
Cottonwood, Eastern, southern |
.00133 |
.00327 |
Sweetgum |
.00183 |
.00365 |
Elm, American |
.00144 |
.00338 |
Sycamore, American |
.00172 |
.00296 |
Elm, Rock |
.00165 |
.00285 |
Tanoak |
.00169 |
.00423 |
Elm, Slippery |
.00169 |
.00315 |
Tupelo, Black |
.00176 |
.00308 |
Elm, Winged, cedar |
.00183 |
.00419 |
Tupelo, Water |
.00144 |
.00267 |
Hackberry |
.00165 |
.00315 |
Walnut, black |
.00190 |
.00274 |
Hickory, Pecan |
.00169 |
.00315 |
Willow, Black |
.00112 |
.00308 |
Hickory, True hickory |
.00259 |
.00411 |
Willow, Pacific |
.00099 |
.00319 |
Holly, American |
.00165 |
.00353 |
Willow, Yellow-poplar |
.00158 |
.00289 |
Honeylocust |
.00144 |
.00230 |
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SOFTWOODS |
Dimensional change coefficient |
Species |
Radial CR |
Tangential Cr |
Species |
Radia lCR |
Tangenti alCr |
Baldcypress |
.00130 |
.00216 |
Pine, Eastern white |
.00071 |
.00212 |
Cedar, Alaska |
.00095 |
.00208 |
Pine, Jack |
.00126 |
.00230 |
Cedar, Atlantic white |
.00099 |
.00187 |
Pine, Loblolly, pond |
.00165 |
.00259 |
Cedar, Eastern redcedar |
.00106 |
.00162 |
Pine, Lodgepole, Jeffrey |
.00148 |
.00234 |
Cedar, Incense |
.00112 |
.00180 |
Pine, Longleaf |
.00176 |
.00263 |
Cedar, Northern white |
.00101 |
.00229 |
Pine, Ponderosa, Coulter |
.00133 |
.00216 |
Cedar, Port-Orford |
.00158 |
.00241 |
Pine, Red |
.00130 |
.00252 |
Cedar, Western redcedar |
.00111 |
.00234 |
Pine, Shortleaf |
.00158 |
.00271 |
Douglas-fir, Coast-type |
.00165 |
.00267 |
Pine, Slash |
.00187 |
.00267 |
Douglas-fir, Interior north |
.00130 |
.00241 |
Pine, Sugar |
.00099 |
.00194 |
Douglas-fir, Interior west |
.00165 |
.00263 |
Pine, Virginia, pitch |
.00144 |
.00252 |
Fir, Balsam |
.00099 |
.00241 |
Pine, Western white |
.00141 |
.00259 |
Fir, California red |
.00155 |
.00278 |
Redwood, Old-growth |
.00120 |
.00205 |
Fir, Noble |
.00148 |
.00293 |
Redwood, Second-growth |
.00101 |
.00229 |
Fir, Pacific silver |
.00151 |
.00327 |
Spruce, Black |
.00141 |
.00237 |
Fir, Subalpine, Corkbark |
.00088 |
.00259 |
Spruce, Engelmann |
.00130 |
.00248 |
Fir, White, grand |
.00112 |
.00245 |
Spruce, Red, white |
.00130 |
.00274 |
Hemlock, Eastern |
.00102 |
.00237 |
Spruce, Sitka |
.00148 |
.00263 |
Hemlock, Western |
.00144 |
.00274 |
Tamarack |
.00126 |
.00259 |
Larch, western |
.00155 |
.00323 |
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