ASTM-335 thiabSa-3555mTxheem Cov qauv tshwj xeeb rau cov yeeb nkab serritic alloy-steel yeeb nkab rau kev pab kub siab.
Belongs rau lub boiler thiab siab vessel code.
Download tau Google
Daim foos xaj yuav tsum muaj cov lus hauv qab no:
1. Kom muaj nuj nqis (taw, metres lossis tus lej ntawm cov pas nrig)
2. Cov Khoom Siv (Seamless Alloy Steel nomges Yeeb Nkab)
3. Qib (16 hauv tag nrho: P1, P2, P22, P11, P22, P91)
4. Kev tsim qauv (KUB TOULDING lossis txias kos duab)
5. Siv ib qho ntawm cov lus qhia tshwj xeeb hauv qab no: 1), NPS thiab cov cheeb tsam tuab, 4), sab hauv lub taub tuab, 5), sab hauv lub taub tuab thiab qis dua phab ntsa tuab cov lus qhia
6. Ntev (faib ua ntev thiab tsis kawg ntev)
7. Kev ua tiav.
8. Xaiv cov kev xav tau (dej siab thiab tso cai hnyav hnyav).
9. Yuav tsum tau ceeb toom cov ntaub ntawv (saib A530).
10. Tus Qauv Qauv. 11Sepecial cov cai lossis ib qho cai ntxiv.
Ntaub Ntawv thiab Kev Tsim
1. Noominal hlau kav tuaj yeem ua tiav lossis txias-kos, thiab tau txais kev kho cua sov kawg uas yuav tsum tau los ntawm tus qauv.
2. P2 thiab P12 Qib Hlau. Cov qib ob ntawm cov hlau yuav tsum yog siv los siv cov coarse grain melting txheej txheem. Yog tias muaj cov kev tshwj xeeb rau cov nyom loj lossis cov txheej txheem deoxidation, lawv yuav tsum tau pom zoo los ntawm tus neeg yuav khoom thiab cov khoom lag luam steel.
3. Kev kho cua sov
1. Tsuas yog rau PSC, P23, P91, P92, P92, P911, P911, P911 Qib Steel thiab raws li tau hais kom tiav, yog qhov tseeb thiab tempered lub xeev. Yog hais tias muab nyob rau hauv qhov qub thiab tempered lub xeev, qhov tsawg kawg nkaus tempering kub rau p5, P9, P21 thiab P9, P21 thiab P9, P21 thiab P22 Qib yuav tsum yog 675 ° C. Qhov tsawg kawg nkaus tempering kub rau P1, P2, P11, P12 thiab P15 Qib Qib yuav tsum yog 650 ℃
2. Qhov kawg ntawm kev kho cua sov ntawm P92 thiab P911 qib steel yuav tsum yog ib txwm muaj ntawm tsawg kawg 1040 ℃ thiab tempering ntawm tsawg kawg 730 ℃.