Txoj kev tsim cov yeeb nkab hlau tsis muaj seamless
1. Cov txheej txheem yooj yim rau kev tsim cov kav hlau tsis muaj seamless yog dab tsi?
① Npaj Khoom Dawb ② Cua sov yeeb nkab dawb ③ Kev tho qhov ④ dov yeeb nkab ⑤ Loj thiab txo qhov loj ⑥ Ua tiav, tshuaj xyuas thiab ntim khoom rau kev khaws cia.
2. Cov chaw tsim khoom rau cov kav hlau kub dov seamless yog dab tsi?
Nruam tas mus li, hla kev dov
Cov kav dej hlau raug faib ua pawg li cas raws li lawv siv?
Cov yeeb nkab kis (GB/T 8163): cov yeeb nkab kis roj thiab roj av, cov ntaub ntawv sawv cev yog No. 20 hlau, Q345 hlau alloy, thiab lwm yam.
Cov yeeb nkab qauv (GB/T 8162): Cov ntaub ntawv sawv cev suav nrog cov hlau carbon, No. 20, thiab No. 45 hlau; hlau alloy Q345, 20Cr,
40Cr, 20CrMo, 30-35CrMo, 42CrMo, thiab lwm yam.
Tam sim no, cov kav hlau tsis muaj seamless feem ntau yog siv ua cov kav roj, cov kav boiler, cov khoom hloov pauv cua sov, cov kav dej thiab qee cov kav dej thauj mus los siab.
Yam dab tsi cuam tshuam rau tus nqi ntawm cov kav dej hlau?
Txoj kev thauj mus los, qhov hnyav theoretical / qhov hnyav tiag tiag, ntim khoom, hnub xa khoom, txoj kev them nyiaj, tus nqi lag luam, thev naus laus zis ua khoom, tsis muaj khoom hauv khw, cov neeg siv khoom qub / cov neeg siv khoom tshiab, qhov ntsuas ntawm cov neeg siv khoom, kev sib txuas lus, kev tiv thaiv ib puag ncig, cov cai hauv tebchaws, kev thov ua lag luam, Khoom siv, hom, kev tshuaj xyuas, zoo, kev tsim nyog, txoj cai hlau zeb, tus nqi pauv, cov nqe lus xa khoom, qhov xwm txheej thoob ntiaj teb