(完整版)sch壁厚等级对照表--第1页
公称通径外径
公称壁厚T
NominalPipeOutside
NorminalWallThickness
SizeDiameter
NPSBNDSCH5sSCH10sSCH10SCH20SHC30SCH40sSTDSCH40SCH60SCH80sXSSCH80SCH100SCH120SCH104SCH160XXS
1/8610.31.241.731.731.73
N
O
X
F
O
L
I
O
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