Rakibaadda gaaban iyo muddada dhismaha Qulqulka tuubooyinka birta ee jaranjarada ah waa mid ka mid ah teknoolojiyadda cusub ee lagu dhiirrigeliyay mashaariicda injineernimada waddooyinka sannadihii la soo dhaafay, waa 2.0-8.0mm saxan khafiif ah oo adag oo adag oo lagu riixay bir jiingado ah, sida laga soo xigtay tuubooyinka kala duwan ...
Deminta birta waa in lagu kululeeyo birta heerkulka muhiimka ah Ac3a (sub-eutectic steel) ama Ac1 ( birta-eutectic birta ka sarreysa) heerkulka ka sarreeya, haynta muddo wakhti ah, si dhammaan ama qayb ka mid ah qalabaynta, ka dibna ka dhaqso badan heerka qaboojinta muhiimka ah ee ...
Descaling birta birta waxaa loola jeedaa ka saarida miridhku, maqaarka oksaydhsaydh, wasakh, iwm dusha tuubada birta si loo soo celiyo dhalaalid macdan ah ee dusha tuubada birta si loo hubiyo in adhesion iyo saamaynta daahan xiga ama daaweynta anticorrosion. Descaling ma dhici karto...
Galvanized aluminium-magnesium saxan bir ah (Zinc-Aluminum-Magnesium Plates) waa nooc cusub oo saxan bir ah oo dahaarka u adkaysta, ka kooban dahaarka ayaa inta badan zinc-ku saleysan, laga bilaabo zinc oo lagu daray 1.5% -11% aluminium, 1.5% -3% magnesium iyo raad ka kooban silicon ka kooban.
Farqiga u dhexeeya tuubada hore ee galvanized iyo Hot-DIP Gavanized Steel Pipe 1. Farqiga habka: Dhuumaha galvanized kulul ee kulul waxaa galvanized by quusin birta ee zinc dhalaalaysa, halka tuubada pre-galvanized si siman dahaarka leh zinc dusha sare ee strip birta b.
Hot Rolled Steel Cold Rolled Steel 1. Geedi socodka: Duubista kulul waa habka lagu kululeeyo birta heerkul aad u sarreeya (badanaa ku dhawaad 1000°C) ka dibna lagu simo mishiin weyn. Kuleyliyuhu wuxuu ka dhigayaa birta mid jilicsan oo si fudud u beddeli karta, markaa waxaa lagu cadaadin karaa ...