Faa'iidooyinka Isticmaalka Tuubooyinka Birta ah ee lagu xidho dhulka hoostiisa ee wareegsan ee loogu talagalay Tuubooyinka Biyaha ee dhulka hoostiisa mara
tuubo bir ah oo SSAW ahwaa nooc ka mid ah tuubooyinka laalaada ee dhulka hoostiisa mara oo si caadi ah loogu isticmaalo adeegyo kala duwan, oo ay ku jiraan khadadka biyaha dhulka hoostiisa mara. Habka alxanka wareega ee gaarka ah wuxuu soo saaraa tuubooyin dhexroor weyn leh oo leh dhumuc derbi oo joogto ah, taasoo ka dhigaysa mid ku habboon gaadiidka biyaha dhulka hoostiisa mara.
Hantida Farsamada
| heerka birta | xoogga wax-soo-saarka ugu yar | Xoogga jiidista | Kordhinta ugu yar | Tamarta ugu yar ee saamaynta leh | ||||
| Dhumucda la cayimay | Dhumucda la cayimay | Dhumucda la cayimay | heerkulka tijaabada ee | |||||
| <16 | >16≤40 | <3 | ≥3≤40 | ≤40 | -20℃ | 0℃ | 20℃ | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
Mid ka mid ah faa'iidooyinka ugu muhiimsan ee isticmaalka tuubooyinka birta ah ee lagu dahaadho dhulka hoostiisa mara ee loogu talagalay khadadka biyaha dhulka hoostiisa mara waa xooggeeda sare iyo cimri dhererkeeda. Habka alxanka wareegsan wuxuu abuuraa tuubo adag oo la isku halleyn karo oo u adkeysan karta cadaadiska iyo culeyska lagu aasayo dhulka hoostiisa. Xooggani waa mid muhiim u ah ka hortagga daadashada iyo hubinta daacadnimada muddada dheer ee tuubooyinka biyaha.
Intaa waxaa dheer, tuubada birta ah ee SSAW waxay u adkaysataa daxalka, taasoo ka dhigaysa doorasho aad u fiican oo loogu talagalay isticmaalka dhulka hoostiisa ah halkaas oo tuubooyinka ay la kulmaan qoyaanka iyo arrimaha kale ee deegaanka. Iska caabbinta daxalkani waxay kaa caawineysaa kordhinta cimriga tuubooyinkaaga waxayna yareysaa baahida loo qabo dayactir iyo dayactir joogto ah.
Faa'iido kale oo laga helo isticmaalka tuubooyinka birta ah ee lagu dahaadhay dhulka hoostiisa ee loogu talagalay khadadka biyaha dhulka hoostiisa ku jira waa dabacsanaantiisa iyo la qabsigiisa. Habka alxanka wareegsan wuxuu soo saari karaa tuubooyin dhexroor kala duwan leh, taasoo ka dhigaysa mid ku habboon codsiyada tuubooyinka biyaha ee kala duwan. Intaa waxaa dheer, dabacsanaanta tuubada birta ah ee SSAW waxay sahlaysaa in la rakibo oo la shaqeeyo, gaar ahaan meelaha leh dhul ama caqabado adag.
Halabuurka Kiimikada
| heerka birta | Nooca oksaydhaynta a | % cuf ahaan, ugu badnaan | ||||||
| Magaca birta | Lambarka birta | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | — | 1,40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | — | 1,50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | — | 1,50 | 0,030 | 0,030 | — |
| S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| a. Habka deoksaydhka waxaa loo qoondeeyay sidan soo socota: FF: Birta si buuxda loo dilay oo ka kooban curiyayaasha isku xidha nitrogen xaddi ku filan inay xidhaan nitrogen-ka la heli karo (tusaale ahaan ugu yaraan 0,020% wadarta Al ama 0,015% Al milmi kara). b. Qiimaha ugu badan ee naytarojiinku ma khuseeyo haddii halabuurka kiimikada uu muujiyo wadarta guud ee Al ee 0,020% oo leh saamiga Al/N ugu yaraan 2:1, ama haddii ay jiraan walxo kale oo ku filan oo N-ku-xidhan. Walxaha N-ku-xidhan waa in lagu diiwaan geliyaa Dukumentiga Kormeerka. | ||||||||
Marka laga soo tago xoogga, cimri dhererka, iyo dabacsanaanta, tuubada birta ah ee lagu dahaadhay arc-ka ee ku dhex jirta dhulka hoostiisa ayaa ah mid kharash-ool ah marka loo eego noocyada kale ee tuubooyinka. Habka alxanka wareegsan wuxuu yareeyaa kharashyada wax soo saarka, taasoo ka dhigaysa ikhtiyaar dhaqaale ahaan u wanaagsan mashaariicda tuubooyinka biyaha ee waaweyn. Waarta muddada dheer iyo shuruudaha dayactirka hooseeya ee tuubada birta ah ee SSAW ayaa sidoo kale gacan ka geysta kaydinta kharashka guud inta lagu jiro cimriga khadka biyaha.
Guud ahaan, waxaa jira faa'iidooyin badan oo laga helo isticmaalka tuubooyinka birta ah ee lagu dahaadhay dhulka hoostiisa ee loogu talagalay khadadka biyaha dhulka hoostiisa, oo ay ku jiraan xoog sare, cimri dherer, iska caabin daxaleed, dabacsanaan, iyo kharash-oolnimo. Sifooyinkani waxay ka dhigayaan ikhtiyaar la isku halleyn karo oo wax ku ool ah oo loogu talagalay gaadiidka biyaha dhulka hoostiisa, ha ahaato kaabayaasha dhaqaalaha ee degmooyinka, codsiyada warshadaha, ama ujeedooyinka beeraha.
Marka la soo koobo, marka ay timaado doorashada tuubada ugu fiicankhadadka biyaha dhulka hoostiisa mara, tuubo bir ah oo lagu dahaadhay arc-ka hoostiisa ayaa ah doorashada ugu fiican. Dhismaheeda alxanka wareegsan wuxuu bixiyaa xoogga, cimriga iyo iska caabbinta daxalka ee loo baahan yahay si loo helo waxqabad muddo dheer ah, halka dabacsanaantiisa iyo kharash-oolnimadeeda ay ka dhigayaan ikhtiyaar soo jiidasho leh mashaariicda tuubooyinka biyaha ee cabbirro kala duwan. Markaad doorato tuubo bir ah oo lagu dahaadhay arc-ka hoostiisa, waxaad hubin kartaa isku halaynta iyo cimriga khadadka biyaha ee dhulka hoostiisa, taasoo ku siinaysa xasillooni maskaxeed iyo kalsooni nidaamkaaga biyaha.







