Seamless kav rau cov qauv (GB / t8162-2008) yog seamless kav rau cov qauv thiab txhua yam qauv.
(1) Cov qib zoo carbon steel qauv muaj xws li 20g, 20mng thiab 25mng.
(2) Alloy structural steel qib: 15mog, 20mog, 12crmog, 15CrMoG, 12CR2MOG, 12crmovg, 12Cr3MoVSiTiB, thiab lwm yam.
Lub npe tag nrho ntawm UHPE steel yas composite yeeb nkab yog UHMWPE steel yas puas yeeb nkab. UHMWPE Composite yeeb nkab yog ua los ntawm UHMWPE yeeb nkab thiab carbon steel yeeb nkab los ntawm cov txheej txheem scientific.
Q345C seamless steel yeeb nkab yog piv nrog Q345A thiab B. Kev ntsuas kub tsis tshua muaj qhov kub thiab txias thiab kev ua haujlwm zoo. Qhov sib piv ntawm P thiab s muaj cov khoom phom sij rau Q345A, Qhov sib txawv ntawm Q345A, Q345B thiab Q345C
Hauv seamless steel yeeb nkab series, muaj cov khoom hu ua Q345B seamless steel yeeb nkab, uas belongs rau qis alloy series. Ntawm cov ntaub ntawv tsis tshua muaj alloy, cov khoom siv no yog qhov ntau tshaj plaws. Q345B seamless steel yeeb nkab siv los hu ua 16Mn seamless steel yeeb nkab.
Q345D yog cov khoom siv ntawm cov yeeb nkab steel. Q sawv cev rau cov txiaj ntsig ntawm cov khoom no. Cov nram qab no 345 yog hais txog tus nqi tawm los ntawm cov khoom siv no, uas yog hais txog 345. Tus nqi tawm los txo qis nrog qhov nce ntawm cov khoom tuab.
Cov yeeb nkab yeeb nkab yog ib hom yeeb nkab steel nrog hollow seem thiab tsis muaj vuam los ntawm qhov pib mus rau qhov kawg. Cov yeeb nkab steel muaj qhov hollow seem, uas yog dav siv los ua cov yeeb nkab rau kev xa dej, roj, nkev, roj, dej thiab qee yam khoom siv.
45 # seamless steel yeeb nkab tom qab quenching thiab tempering kev kho mob muaj kev zoo txhua yam khoom thiab yog dav siv nyob rau hauv ntau yam tseem ceeb structural qhov chaw, tshwj xeeb tshaj yog cov txuas rods, bolts, zog thiab shafts ua hauj lwm nyob rau hauv alternating load.