Txoj hlua khi ncaj ncaj yog cov txheej txheem tseem ceeb hauv kev tsim cov kav hlau ncaj ncaj. Tshwj xeeb tshaj yog rau API cov qauv nrog cov kev xav tau zoo thiab cov kav dej, cov
Longitudinally welded steel kav yog ib hom steel yeeb nkab nrog welds parallel mus rau longitudinal kev taw qhia ntawm cov yeeb nkab. Lawv feem ntau muab faib ua metric hluav taws
Kev Ntsuas Siv Grating Ruler Lub hauv paus ntsiab lus yuav tsum txhim kho ob qhov ntev-ntev grating rulers rau sab nrauv ntawm ob qho kawg ntawm cov yeeb nkab longitudinally welded
Longitudinally welded steel kav yuav categorized rau hauv high-frequency longitudinally welded steel kav thiab submerged arc welded longitudinally welded steel kav raws li lawv cov
Rwb thaiv tsev kav yog dav siv nyob rau hauv lub tsheb thauj mus los network rau cov kua thiab gases, raws li zoo raws li nyob rau hauv rwb thaiv tsev tej yaam num rau tshuaj pipel
Cov txheej txheem ntawm cov welded steel kav yuav tsum dov steel daim hlau los yog ib daim hlab rau hauv qhov xav tau ntawm cov hlaws dai ncaj qha los yog nyob rau hauv ib tug kauv
Kauv steel kav yog tsim los ntawm kev sib sau sawb hlau los yog coiled phaj rau hauv ib tug kauv puab thiab welding lub puab thiab sab seams siv ob-sided submerged arc vuam. Vim yo
Welded steel kav, tseem hu ua welded kav, yog steel tubs tsim los ntawm vuam steel daim hlau los yog steel strips tom qab lawv tau curled rau hauv cov duab. Cov txheej txheem ntau
Kub-dip galvanized steel kav yog welded steel hlab nrog kub-dip galvanized lossis electrogalvanized txheej ntawm lawv qhov chaw. Galvanization txhim kho cov kav dej 'kev tiv thaiv
Galvanized steel feem ntau cuam tshuam nrog txheej txheej zinc, feem ntau 20 microns tuab, mus rau cov hlau tsis muaj carbon. Lub melting point ntawm zinc yog kwv yees li 419 degre
Galvanized steel kav siv rau kev siv dej hauv tsev yog sib txuas los ntawm threading, tseem hu ua screwed txuas. Feem ntau, cov kav dej xa dej nrog lub taub nominal tsis tshaj 100
I. Txheej txheem cej luam ntawm Galvanized Yeeb Nkab Los txhim kho corrosion kuj ntawm steel kav, lawv raug rau cov txheej txheem galvanizing. Galvanized kav (galvanized steel kav)