
Helitaanka xaqa soo iibso usha dunta leh ee naxaasta ah si weyn ayey u saameyn kartaa guusha mashruucaaga. Hagahan waxa uu kaa caawinayaa in aad socodsiiso hawsha, laga bilaabo fahamka qeexitaannada usha naxaasta ah ilaa aad dooranayso alaab-qeybiye la isku halayn karo. Waxaan dabooli doonaa qodobbada muhiimka ah ee la tixgeliyo marka la raadinayo ul naxaas ah oo dunsan baahiyaha, hubinta tayada, wax ku oolnimada kharashka, iyo gaarsiinta waqtiga.
Ulaha dunta naxaasta leh ayaa lagu yaqaan caabbinta daxalka, ductility, iyo machinability. Halabuurka gaarka ah ee naxaasta (sida caadiga ah aluminium copper-zinc) way kala duwanaan kartaa, saamaynaysa hantideeda. Fahamka darajooyinka kala duwan ee naxaasta iyo codsiyadooda ayaa muhiim u ah doorashada saxda ah soo iibso usha dunta leh ee naxaasta ah. Tusaale ahaan, qaar ka mid ah dabaylaha naxaasta ah waxay bixiyaan xoog cufan halka kuwa kalena ay mudnaanta siiyaan iska caabinta daxalka ee deegaanno gaar ah. Had iyo jeer sheeg darajada loo baahan yahay (tusaale, C36000, C37700) markaad dalbanayso.
Cabbirrada saxda ah ayaa ugu muhiimsan. Dhexroorka, dhererka, garoonka dunta, iyo guud ahaan dulqaadka ul naxaas ah oo dunsan waa in la waafajiyaa shuruudaha mashruucaaga. Cabbirrada aan saxda ahayn waxay u horseedi karaan arrimo iswaafaqsan iyo dib u dhac mashruuceed. In si cad loo qeexo cabbiradan dalabkaaga waa lama huraan.
Dhammaadka dusha sare ee ul naxaas ah oo dunsan waxay saamaysaa muuqaalkeeda, adkaysigeeda, iyo waxqabadkeeda. Dhammaystirka dusha caadiga ah waxaa ka mid ah kuwa dhalaalaya, dhalaalaya, oo aan la sixin. Tixgeli baahiyaha gaarka ah ee codsigaaga marka aad dooranayso. Dhammays tiran ayaa laga yaabaa in loo doorbido ujeeddooyin qurux badan, halka dahaarka ilaalinta laga yaabo inay lagama maarmaan u tahay deegaannada adag.
Doorashada mid la isku halayn karo soo iibso usha dunta leh ee naxaasta ah waa muhiim. Tixgeli arrimahan:
| Soo saaraha | Waqtiga Hogaaminta (Maalmaha) | Tirada Dalbashada Ugu Yar | Qiimaha Halkiiba (USD) |
|---|---|---|---|
| Alaabta A | 10-15 | 1000 | 0.50 |
| Alaabta B | 7-10 | 500 | 0.55 |
| Alaabta C | 15-20 | 100 | 0.60 |
Xusuusin: Kani waa miis muunad ah. Qiimaha dhabta ah iyo wakhtiyada rasaasta way kala duwanaan doonaan iyadoo ku xidhan soo saaraha, tirada dalbashada, iyo tilmaamo gaar ah.
Si aad u hesho saarayaasha ku haboon ee ul naxaas ah oo dunsan, ka faa'iidayso hagaha khadka tooska ah, bandhigyada ganacsiga, iyo ururada warshadaha. Si fiican u hubso alaab-qeybiyeyaasha suurtagalka ah ka hor inta aanad wax iibsan. Codso muunado, hubi tixraacyada, oo ka xaajood shuruudaha wanaagsan. Xusuusnow in alaab-qeybiye si wanaagsan loo doortay uu yahay qayb muhiim ah oo ka mid ah guusha mashruuc kasta.
Si aad u hesho ilo lagu kalsoonaan karo oo laga helo alaabada naxaasta ah ee tayada sare leh, tixgeli inaad sahamiso xulashooyinka Hebei Muyi Import&Export Trading Co., Ltd. Waxay bixiyaan noocyo kala duwan oo alaabooyin bir ah, oo ay ku jiraan qaybaha naxaasta. Had iyo jeer si taxadar leh u barbar dhig xulashooyinka oo dooro alaab-qeybiyaha ku habboon baahiyahaaga.