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MATERIAL
: JIS A 9501 CALCIUM SILICATE MOLDED PIPE INS.NO.2(220kg/m³),W=0.000691T(D+T)
D:mm,T:mm
COVER
MAT'L PRECOATED GALVANIZED SHEET 0.3mmt WEIGHT IN (
)=0.00943(D+2T),(kg/m) t=mm,
d:mm
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Wp=0.02466t
(D-t) kg/m
Ww=0.0007854
d² kg/m
A=0.007854(D²-d²)
cm²
I=0.000004909(D4-d4)cm4
Z=0.00009817
D4
- d4 cm³
D
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