Q345ke mofuta oa tšepe e tlaase ea alloy e sebelisoang haholo ka marokho, likoloi, likepe, mehaho, likepe tsa khatello, lisebelisoa tse khethehileng, joalo-joalo, moo "Q" e bolelang matla a lihlahisoa, 'me 345 e bolela hore matla a lihlahisoa a tšepe ena ke 345MPa.
Teko ea tšepe ea q345 haholo-holo e kenyelletsa likarolo tse peli: pele, hore na likarolo tsa tšepe tsa tšepe li fihla boemong ba naha; ea bobeli, hore na matla a lihlahisoa, teko ea tensile, joalo-joalo ea tšepe e finyella litekanyetso ka mekhatlo ea litsebi. E na le alloy content e fapaneng ho tloha q235, e leng tšepe e tloaelehileng ea carbon le q345 ke tšepe e tlaase ea alloy.
Sehlopha sa lisebelisoa tsa Q345
Q345 e ka aroloa ka Q345A, Q345B, Q345C, Q345D le Q345E ho latela kereiti. Seo ba se emelang haholo-holo ke hore mocheso oa tšusumetso o fapane. Q345A boemo, ha ho na tšusumetso; Boemo ba Q345B, mocheso o tloaelehileng oa 20 degree; Boemo ba Q345C, phello ea 0 degree; Boemo ba Q345D, -20 degree tshusumetso; Boemo ba Q345E, -40 degree tšusumetso. Lithempereichara tse fapaneng tsa tšusumetso, boleng ba tšusumetso le bona bo fapane.
fapaneng.
Tšebeliso ea thepa ea Q345
Q345 e na le thepa e ntle e felletseng ea mochini, ts'ebetso e amohelehang ea mocheso o tlase, polasetiki e ntle le ho cheseha. E sebelisoa e le likepe tsa khatello e bohareng le e tlase, litanka tsa oli, likoloi, li-crane, mechine ea merafo, liteishene tsa motlakase, marokho le mehaho e meng, likarolo tsa mechine, mehaho ea mohaho, le mehaho e akaretsang e jereng meroalo e matla. Likarolo tsa meralo ea tšepe, tse sebelisoang maemong a chesang kapa a tloaelehileng, li ka sebelisoa bakeng sa meaho e fapaneng libakeng tse batang tse ka tlase ho -40 ° C.