Q345C tlaase mocheso tšepe phala 'nete sebaka
Botenya ba lebota la mm elongation δ 5 ≥%% yield strength δ S (MPA ≥) mocheso oa teko ℃
Q345A ≤ 16 21 345 ha e hlokehe
Q345B ≤16 21 345 20
Q345C 16-35 22 ≥325 0
Sehlopha sa C Mn PSV NB Al Ti
Q345A ≤0.20 ≤0.55 ≤1.70 ≤0.045 ≤0.045 0.02-0.15 0.015-0.060 0.02-0.20
Q345B ≤0.20 ≤0.55 ≤1.70 ≤0.040 ≤0.040 0.02-0.15 0.015-0.060 0.02-0.20
Q345C ≤0.20 ≤0.55 ≤1.70 ≤0.035 ≤0.035 0.02-0.15 0.015-0.060 ≥0.015 0.02-0.20
Haholo-holo ka lebaka la likahare tse fapaneng tsa khabone le manganese:
Q235-A
Likahare tsa carbon C: 0,14 ~ 0,22; Mon: 0,30 ~ 0,65;
Q235-B
Likahare tsa carbon C: 0,12 ~ 0,20; Mon: 0,30 ~ 0,70;
E sebelisoa ho likarolo tsa carburized kapa cyanide tse nang le litlhoko tse tlase tsa matla a mantlha, joalo ka molamu oa ho hula, molamu o hokahanyang, hook, bolt, shaft le weldment.
Ho lokela ho ba le lithibelo mochesong!
Haholo-holo Q345E. Mashome a likhato ka tlase ho zero.
Ho phaella moo, ha ho bapisoa le maemo a khale, tlhokahalo e hlakileng ka ho fetisisa ea tekanyetso e ncha ke ho fetola Mn content ka tšepe ho tloha 1.0-1.60 ho ≤ 1.70, le ho hlakola moeli oa bonyane oa boleng ba ≥ 1.0.
Q345C phala ea tšepe ke e 'ngoe ea lisebelisoa tsa phala ea tšepe.
Q345A, Q345B, Q345C, Q345D le Q345E ke limaraka tsa boleng. Li eketseha ho tloha ho a ho ea ho e, haholo-holo ka lebaka la phapang ea mocheso oa tšusumetso o bakoang ke likahare tse sa tšoaneng tsa likaroloana tse nyenyane tse kang phosphorus le sebabole, e leng se emelang phapang ea mocheso oa tšusumetso le thepa ea mochine oa phala ea lik'hemik'hale.
Q345A, ha ho na tšusumetso; Q345B, 20 ° tšusumetso e tloaelehileng ea mocheso; Q345C, tšusumetso ea 0 degree; Q345D, ke - 20 degree tshusumetso; Q345E ke - 40 degree tšusumetso. Lithempereichara tse fapaneng tsa tšusumetso, boleng ba tšusumetso le bona bo fapane.
Q matla a tlhahiso ha a tlase ho 345mp, mme boemo ba boleng bo bontša hore bo na le likarolo tse sa hloekang (khabone, manganese, silicon, sebabole le phosphorus). Na palo ea litšila (elemente) ka tšepe. Hamorao A, B, C le D, ho fokotsa litšila
Q345A e na le phosphorus le sebabole ka tlase ho kapa ho lekana le 0.045%
Q345B e na le phosphorus le sebabole ka tlase ho kapa ho lekana le 0.040%
Q345C e na le phosphorus le sebabole ka tlase ho kapa ho lekana le 0.035%
Q345D e na le phosphorus le sebabole ka tlase ho kapa ho lekana le 0.030%
Q345E e na le phosphorus le sebabole ka tlase ho kapa ho lekana le 0.025%
Ha litšila tsa phosphorus le sebabole li ntse li le ngata ka har'a tšepe, matla a ts'usumetso a mpe le ho feta
Q345A
Q345B Akv e seng ka tlase ho 34 ho 20 ℃
Ho Q345C 0 ℃, Akv ha e na ho ba ka tlase ho 34
Q345D - Akv e seng ka tlase ho 34 ho 20 ℃
Ho Q345E - 40 ℃, Akv ha e ka tlase ho 27
Lebaka la ho qetela ke hore ho fokotseha ha litšila tsa P le s ka tšepe ho khothalletsa ntlafatso ea matla a ts'ebetso mocheso o tlaase. E 'ngoe ke metsoako ea lik'hemik'hale ea Q345' me e 'ngoe ke thepa ea mochine ea Q345
C≤0.2%,Mn 1.0-1.6%
Ke ≤0.55%,
S ≤0.35%,
P ≤0.35%,
V 0.02-0.15%,
Nb 0.015-0.06%,
Ti 0.02-0.2%,
AL ≥0.015%
Thepa ea mochini ke:
Matla a tlhahiso: ≥ 345mpa (botenya bo ka tlase ho 16mm)
Tensile matla: 470-630mpa
Elongation: 22%
Matla a amang: ≥ 34j (tekanyo ea mocheso 0 °)
Teko ea bend ea 180 °:
D = 2A (botenya bo ka tlase ho 16mm)
Matla a tlhahiso: ≥ 345mpa (botenya bo ka tlase ho 16mm)
Tensile matla: 470-630mpa
Elongation: 22%
Matla a amang: ≥ 34j (tekanyo ea mocheso 0 °)
Teko ea bend ea 180 °:
D = 2A (botenya bo ka tlase ho 16mm)