Kev taw qhia txog cov yeeb nkab hlau tsis muaj seamless: cov ntaub ntawv sib txawv rau kev siv sib txawv

(1) Kev Taw Qhia Txog Cov Khoom Siv Yeeb Nkab Hlau Tsis Muaj Qhov Txuas:
GB/T8162-2008 (cov yeeb nkab hlau tsis muaj qhov tsis sib xws rau kev siv hauv kev tsim kho). Feem ntau siv rau cov qauv dav dav thiab cov qauv kho tshuab. Nws cov ntaub ntawv sawv cev (qib): carbon steel No. 20, No. 45 steel; alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, thiab lwm yam.
GB/T8163-1999 (cov yeeb nkab hlau tsis muaj qhov sib txuas rau kev thauj cov kua dej). Feem ntau siv rau kev thauj cov kav dej kua dej hauv kev tsim kho thiab cov khoom siv loj. Cov ntaub ntawv sawv cev (qib) yog 20, Q345, thiab lwm yam.
GB3087-2008 (cov yeeb nkab hlau tsis muaj qhov sib txuas rau cov boilers siab qis thiab nruab nrab). Feem ntau siv rau hauv cov kav dej rau kev xa cov kua dej siab qis thiab nruab nrab hauv cov boilers kev lag luam thiab cov boilers hauv tsev. Cov ntaub ntawv sawv cev yog No. 10 thiab No. 20 hlau.
GB/T17396-2009 (cov yeeb nkab hlau tsis muaj qhov kub thiab txias rau cov khoom siv hydraulic). Nws feem ntau yog siv los ua cov khoom txhawb nqa hydraulic, lub tog raj kheej thiab cov kem hauv cov chaw tsuas thee, nrog rau lwm cov tog raj kheej hydraulic thiab cov kem. Nws cov ntaub ntawv sawv cev yog 20, 45, 27SiMn, thiab lwm yam.
(2) Kev siv cov kav hlau tsis muaj qhov txuas: 1. Cov kav dej siv rau kev tsim kho suav nrog: cov kav dej hauv av rau kev thauj mus los, kev rho dej hauv av thaum tsim vaj tsev, kev thauj mus los dej kub boiler, thiab lwm yam. 2. Kev ua haujlwm tshuab, cov tes tsho bearing, cov khoom siv tshuab ua haujlwm, thiab lwm yam. 3. Hluav taws xob: kev xa roj, cov kav dej tsim hluav taws xob. 4. Cov kav dej tiv thaiv hluav taws xob rau cov chaw tsim hluav taws xob cua, thiab lwm yam.

cov yeeb nkab hlau tsis muaj hlau

Lub sijhawm tshaj tawm: Lub Ob Hlis-26-2024

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