ASTM A815 S32760 Duflex Gurless Stains Steel Fiturs Tee
Shefless stopless-ka waa qoys ka mid ah dhallaanka aan la taaban karin. Kuwani waxaa loo yaqaannaa Duflep (ama Autenitic-Ferritic) maxaa yeelay qaab dhismeedkooda macdanta ah waxay ka kooban tahay laba weji, nabar lagu xiro (nabar-wejiga ee loo yaqaan 'verric' iyo ferrice (jidhku u siman yahay si isle'eg ah. Waxaa loogu talagalay inay bixiyaan iska caabbinta hufnaanta oo wanaagsan, gaar ahaan kiimikada carbiska carbiska ee walxaha walxaha keega ee chloride iyo chloride group-ka, iyo xoog ka sareeya inta lagu jiro steps-yada austenitic-ka ah sida nooca 304 ama 316.
Si loo gudbiyo dhuumaha, waxaa lagama maarmaan ah in meesha laga saaro tuubada tooska ah ee dhuumaha. Markaad isticmaaleyso dhuumaha kala duwan, dhuumaha kala duwan waa in la istcimaalaa. Marka dhuumaha la isticmaalo, xusulka waa in loo isticmaalaa in lagu beddelo cabirka dhuumaha. Markii la soo bandhigo, tuubada saddexda-dhinac ah isku xirka Flenget waxaa loo isticmaalaa marka la adeegsanayo tuubooyinka tuubbada kala duwan, si loo gaaro isku-darka kuleylka, ballaarinta kuleylka ama kala-goysyada masaafada iyo kala-goysyada qabowga ah waxaa loo isticmaalaa isku xirnaanta dhuumaha. , Xiriirinta aaladaha kala duwan, sidoo kale waxaa jira isku xirayaasha iyo xirmooyinka wejiga qalabka.
Steel bir ah waa bir bir ah oo ka kooban ugu yaraan 10% chromium, taasoo ka dhigeysa iska fog u adkaysata. Ku darista koromium-ka in bir bir ah oo bir aan lahayn ayaa abuuraya filim khafiif ah oo bir ah okside dusha sare ee ka ilaaliya qalabka wax lagu dhejiyo.
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Nickel alkoy-ga
ASTM B366 WPHC22 NICKELL CARITE FITIPINGS
Qalabka tuubbada duulloobka ah ee labajibbaaranaha ah
ASTM SB 366 Alloy 400 Monel 400 Amh N04400 Pipe waxay la foorarsan tahay caabbinta xaalado kala duwan oo xaalado kaladuwan