Cov ntaub ntawv dab tsi yog ASTM A53 Class B ERW welded kav ua los ntawm?
ASTM A53 Class B ERW welded kavyog ua los ntawm carbon steel. Lawv cov tshuaj muaj pes tsawg leeg muaj cov ntsiab lus siab tshaj plaws ntawm 0.3% thiab qhov siab tshaj plaws manganese cov ntsiab lus ntawm 1.2%, nrog rau cov lej ntawm phosphorus, sulfur, tooj liab, npib tsib xee, chromium, molybdenum, thiab vanadium.
Dab tsi yog kev sib raug zoo ntawm ASTM A53 Class B ERW welded kav thiab galvanized kav?
ASTM A53 Class B ERW welded kavyog cov yeeb nkab steel nrog cov qib tshwj xeeb thiab cov txheej txheem tsim khoom, thaum cov kav dej galvanized piav qhia txog txheej txheej.ASTM A53 Class B ERW welded kavyog tiv thaiv corrosion los ntawm coated nrog zinc tiv thaiv txheej.
Hauv cov haujlwm engineering twg yog ASTM A53 Class B ERW welded kav feem ntau siv?
ASTM A53 Class B ERW welded yeeb nkabFeem ntau yog siv rau cov haujlwm hauv qab no:
Kev thauj mus los: Roj thiab roj kav dej, kev kho dej, slurry
Kev Tsim Kho thiab Cov Qauv: Cov vaj tsev, cov dej hauv av drilling, boiler dej thauj
Mechanical Cheebtsam: Machined rau hauv cov khoom seem
Fais fab nroj tsuag: Cua turbines, anti- zoo li qub conduits
Dab tsi yog cov yam ntxwv ntawm ERW txheej txheem rau ASTM A53 Class B ERW welded yeeb nkab?
ERW (tsis kam vuam) txheej txheem rauASTM A53 Class B welded yeeb nkabNws suav nrog cua sov cov npoo ntawm cov hlua hlau nrog lub siab - zaus tam sim no, tom qab ntawd koom nrog cov npoo nyob rau hauv siab los ua ib qho txuas txuas txuas mus ntxiv. Cov yam ntxwv tseem ceeb suav nrog kev ua haujlwm siab, tus nqi qis, thiab kev siv cov cua sov- kho welds.
ASTM A53 Class B ERW welded yeeb nkab puas siv tau rau hauv cov kav dej?
Yog lawm,ASTM A53 Class B ERW welded yeeb nkabtuaj yeem siv rau hauv cov khoom siv dej.
Hauv feem ntau cov pa dej hauv nroog, dej ntws, thiab cov pa roj hauv nroog ua haujlwm, ASTM A53 yeeb nkab-tshwj xeeb yog Class B tsis kam welded (ERW) lossis kub-dip galvanized (HDG) yeeb nkab- yog qhov kev xaiv zoo tshaj. Qhov no yog vim hais tias lawv cov qauv qhia meej meej rau kev siv "dej, roj thiab cua kav", muaj cov lus qhia dav dav, yog tus nqi - siv tau thiab yooj yim, thiab tau sib xws nrog kub - dip galvanizing lossis txheej kom ua tau raws li kev tiv thaiv corrosion thiab dej haus.
