No. 724 1421
L—tŽ÷

-wd03-

Šw–¼ Quercus alba

‰p–¼ American white oak

•W€˜a–¼ ƒAƒƒŠƒJƒ“ƒzƒƒCƒgƒI[ƒN

•Ê–¼A’n•û–¼

•ª•z’nˆæ –kƒAƒƒŠƒJ“Œ•”

-wd08

ӊd 8+ 0.72`.080

Žûk—¦ 6

@EÚü•ûŒü ŠÜ…—¦1%“–‚蕽‹ÏŽûk—¦ ‘SŽûk—¦

0.33%`0.38% 8.1%`9.5%

Žûk—¦ 6

@E”¼Œa•ûŒü ŠÜ…—¦1%“–‚蕽‹ÏŽûk—¦ ‘SŽûk—¦

0.21%`0.24% 5.1%`6.0%

-wd10

‹È‚°ƒ„ƒ“ƒOŒW” 7+ 113`125@ ~1000@kg/cm2

cˆ³k‹­‚³ 8 510`560kg/cm2

cˆø’£‹­‚³ | |

‹È‚°‹­‚³ 8 1010`1120kg/cm2

‚¹‚ñ’f‹­‚³ 8 126`140kg/cm2

1421/1787 ƒy[ƒW
擪 ‘Oƒy[ƒW ŽŸƒy[ƒW ÅŒã


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