ASTM A234 WPB Yeeb Nkab Fittings Carbon Steel Elbows kho lossis coated nrog roj xim dub
Ib alloy uas ntog rau hauv qeb Austenitic yog stainless hlau 304 yeeb nkab fittings. Tsis yog tsuas yog no alloy heev yig, tab sis cov hlau muaj lub zog zoo thiab muaj mob corrosion tsis kam. Cov nqi hluav taws xob ntawm cov 304 stainless hlau cov yeeb nkab fittings yog rau kev lag luam nrhiav cov nyiaj txiag uas ntxiv rau lawv cov pas dej piping.
Tsawg Alloy Hlau Luj Tshib Astm A234 WP9 Luj Tshib
Stainless hlau 317 tau muaj siab corrosion tsis kam. Nws yog molybdenum-muaj cov roj av stainless hlau nyob rau qib kawm no. Stainless hlau 317 )TusWeld Union Pab Txhawb Tsis Tau Rau Tshuaj Lom Zem. Cov Sub-qib 317 fittings tsis tshua muaj carbon kom muaj kev tiv thaiv kom tsis txhob muaj kev xav thaum lub sijhawm vuam thiab lwm yam kev ua haujlwm kub.
ASME B16.49 30¡Ã 45Ã
ASTM A420 WPL6 cov yeeb nkab fittings tau ua los ntawm cov pa roj carbon hlau uas yog tsim cov pa roj carbon, mangelese, phosphorus, leej faj thiab silicon.
Duplex 31803 \ / 32205 fittings muab siab tiv taus crevice thiab chloride corrosion. Qhov tsis dhau no yog qhov tseem ceeb rau cov kev pab cuam xws li brine, tswj cov dej system, tsev txwv av ib puag ncig, thiab qee cov kev siv ua zaub mov noj.
Qhov kev haum no ces ua ib feem ntawm cov kab ke rau kev thauj cov dej (roj, roj, kua, yam ntxwv zoo, dhau los ntawm kev ncua ntev lossis ntev dua.
Iso, din, jis txhua hom butwelding cov khoom lag luam lossis raws li cov neeg yuav kos ua tus neeg thov kev thov