Dab tsi yog Spiral Welded Steel Pipe?
Kauv welded steel yeeb nkabyog ib tug loj - txoj kab uas hla steel yeeb nkab tsim los ntawm spiraling steel sawb rau hauv lub tog raj kheej thiab ces welding lub seam raws txoj kev kauv.
ASTM cov qauv rau kauv welded steel yeeb nkab yog dab tsi?
Lub ntsiab ASTM cov qauv raukauv welded steel yeeb nkabASTM A139, ASTM A252, ASTM A53 thiab ASTM A53.
Cov kev xaiv txheej twg muaj rau S275 kauv welded steel yeeb nkab?
Txheej xaiv rauS275 kauv welded steel yeeb nkabsuav nrog galvanizing, ntau hom xim, thiab cov txheej txheem tiv thaiv zoo dua xws li fusion-bonded epoxy (FBE), peb- txheej polyethylene (3PE), thiab thee tar epoxy.
Yuav ua li cas tiv thaiv corrosion ntawm S275 kauv welded steel yeeb nkab?
Cov txheej txheem los tiv thaiv corrosion ntawmS275 kauv welded steel yeeb nkabsuav nrog kev siv cov txheej txheem tiv thaiv xws li epoxy resin lossis yas, thiab siv cov txheej txheem galvanizing los tsim cov zinc txheej tiv thaiv ntawm cov yeeb nkab steel.
Dab tsi yog ob feem ntau siv los tiv thaiv -corrosion txheej rau S275 kauv welded steel yeeb nkab?
Qhov ob feem ntau siv los tiv thaiv -corrosion txheej rauS275 kauv welded steel kavyog 3PE (trilayer polyethylene) thiab FBE (fusion bonded epoxy resin) los yog lwm yam epoxy-raws li txheej, xws li epoxy resin lossis epoxy thee tar. Cov coatings no tau xaiv vim lawv zoo heev durability, adhesion, corrosion kuj, dej tsis kam, thiab tshuaj tsis kam.
