Cov hlau channel
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Txias tsim ASTM a36 galvanized hlau U channel hlau
Cov hlau U-section yog ib hom hlau uas muaj qhov seem zoo li tsab ntawv Askiv "U". Nws cov yam ntxwv tseem ceeb yog siab, lub sijhawm txhawb nqa ntev, yooj yim teeb tsa thiab yooj yim deformation. Nws feem ntau yog siv rau hauv txoj kev hauv av, kev txhawb nqa thib ob ntawm txoj kev hauv av, thiab kev txhawb nqa ntawm qhov av hla roob.