Xarig - u adkeysiga -
Tuubooyinka naxaasta ah waxay u adkaysanayaan heerkulka sare waxaana loo isticmaali karaa deegaanno kaladuwan. Marka la barbar dhigo tan, musaafurinta tuubooyin kale oo badan ayaa iska cad. Tusaale ahaan, tuubooyinka birta ee loo yaqaan 'Galbeedka' Haddii aan la istcimaalin muddo dheer, waxaa jiri doona dhibaatooyin sida huruudda biyaha tuubada iyo qulqulka biyaha yar. Waxa kale oo jira qaar ka mid ah agabyada xooggoodu si dhakhso ah u yarayn doono heerkulka sare, oo sababi kara khataro aan nabno markii lagu isticmaalo tuubooyinka biyaha kulul. Meesha naxaasta ah ee naxaasta ah waa mid ka badan 1083 digrii Celsius, oo heerkulka nidaamka biyaha kululna waa mid dayacan tuubooyinka naxaasta ah. Archaeologists Archiests waxay ogaadeen in biyuhu biyo naxaas ah oo naxaas ah 4,500 ka hor ku yaal Pyramids ee Masar, oo wali la adeegsanayo maanta.
Astaamaha wax soo saarka

1) Adeegsiga Kordhinta Joogtada ah ee Joogtada ah iyo Tiknolojiyadda Soosaarka, Daahirnaanta Sare, Qaab dhismeedka wanaagsan, oo ah oksijiin hooseysa.
2) Maya, majiraan, Trachoma, Porosity, oo leh wado kuleyl wanaagsan, wax-qabadka, khafiifinta, iska caabin la tolay iyo iska caabbinta cimilada iyo iska caabbinta cimilada.
3) Way fududahay in welweska la ciqaabo iyo nabka.
4) Shaygu wuxuu leeyahay tayo xasilloon, iska caabin cadaadis sareeya, dheer, iyo nadaafad sare, iyo nadaafad sare, la kulanka baahiyaha nadaafadda sare ee fluorinine - Qalabka qaboojiyaha bilaashka ah.
Xudunta wax soo saarka
mashruuc | Tuubbada aluminium | Tuubada naxaas ah | ||||
Dal | JH - 001 - LG | JH - 002 - LG | JH - 003 - LG | JH - 001 - TG | JH - 002 - TG | JH - 003 - TG |
Dhumo-saarid ee tuubada D1 (mm) | φ4 | φ6 | φ8 | φ4 | φ6 | φ8 |
Adeegso cadaadiska Mpa | 3 | 2.7 | 2.7 | 16 | 10 | 6.3 |
Dhalidda ugu yar radius mm | R20 | R40 | R40 | R20 | R30 | R50 |
D | φ4 | φ6 | φ8 | φ4 | φ6 | φ8 |
d | φ2.5 | φ4 | φ6 | φ2.5 | φ4 | φ6 |