A335 P11 P22 Alloy Steel Phaj
Cov txheej txheem ntau lawm
20g (Ti) boiler phaj yog ib hom hlau uas xav tau siab rau cov khoom siv dav dav, cov hlau ntshiab, thiab cov khoom sib xyaw ntawm cov khoom sib txuas thiab cov khoom siv microalloying uas muaj kev nkag siab zoo rau cov teebmeem ntawm ntau yam khoom. Yog li ntawd, tus yuam sij rau 20g (Ti) cov txheej txheem tsim khoom yog txhawm rau txhim kho cov txheej txheem melting, txo tag nrho cov nyiaj hauv cov hlau, xaiv cov khoom tsim nyog microalloying, siv tswj dov, txhim kho cov phaj zoo, thiab ruaj khov ntawm daim ntawv thov. kev laus cuam tshuam. Txoj kev ntawm 20g yog: zoo molten hlau → purification kho → smelting ntawm muaj pes tsawg leeg optimization thiab steel purification → microalloying thiab refining ntawm molten steel → tiv thaiv casting → zoo slab → tswj cua sov → kub tswj dov → phaj puab thiab thickness tswj → Tswj cua txias → khoom.
Boiler thawv phaj yog siv los tsim cov roj av, tshuaj lom neeg, roj sib cais, roj cia thiab cov thawv thauj mus los lossis lwm yam khoom siv zoo sib xws, xws li ntau lub tsev, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov tsheb thauj khoom, thiab lwm yam. high-strength Rau cov qauv steel daim hlau, saib GB6654-1996. 1 Dimensions thiab hnyav: Raws li cov kev cai ntawm GB709, qhov niaj zaus thickness * dav qhov ntev yog 6 ~ 120 * 600 ~ 3800 (mm).
Smelting thiab refining txheej txheem
(1) Kho cov khoom tswj sab hauv kom txo qis ntawm manganese cov ntsiab lus rau 0.65%.
(2) Txais qhov "three-in-one" refining lag luam ntawm kab noj, hloov kub thiab argon tshuab.
(3) nruj me ntsis tswj lub pouring kub.
(4) Cov ntsiab lus ntawm microalloying caij Ti yog nce los ntawm 0.003% mus rau ntau tshaj 0.008%. (5) Txais kev tiv thaiv tag nrho cov txheej txheem nchuav los txo qhov nqus ntawm N.
Classification los ntawm thickness
Nyias steel phaj <4 hli (thinnest 0.2 hli), tuab steel phaj 4-60 hli, ntxiv-thick steel phaj 60-115 hli. Qhov dav ntawm cov phaj nyias yog 500-1500 mm; qhov dav ntawm cov phaj tuab yog 600-3000 hli. Lub hom steel ntawm tuab steel phaj Nws yog ib qho yooj yim tib yam li nyias steel phaj. Nyob rau hauv cov nqe lus ntawm cov khoom, nyob rau hauv tas li ntawd mus rau lub choj steel daim hlau, boiler steel daim hlau, tsheb manufacturing steel daim hlau, siab hlab ntsha steel daim hlau thiab multi-layer high-pressure nkoj steel daim hlau, uas yog purely tuab daim hlau, ib co hom steel phaj xws li tsheb. beam steel daim hlau (thickness 2.5-10 mm), qauv Steel daim hlau (thickness 2.5-8 mm), stainless hlau daim hlau, tshav kub-resistant steel daim hlau, thiab lwm yam. daim hlau nyias. 2. Lub phaj steel muab faib ua kub-kuav los tiag thiab txias-dov raws li dov.
Classified los ntawm lub hom phiaj
(1) Choj steel phaj (2) Boiler steel phaj (3) Shipbuilding steel phaj (4) Armor steel phaj (5) Tsheb steel phaj (6) ru tsev steel phaj (7) steel phaj (8) hluav taws xob steel phaj (silicon) steel ntawv) (9) Caij nplooj ntoos hlav steel phaj (10) Lwm yam
Classified los ntawm cov qauv
1. Hlau phaj rau lub nkoj siab: Siv peev R los qhia qhov kawg ntawm qib. Qib tuaj yeem qhia tau los ntawm qhov taw tes tawm los lossis cov ntsiab lus carbon lossis cov ntsiab lus alloying. Xws li: Q345R, Q345 yog qhov taw qhia tawm. Lwm qhov piv txwv: 20R, 16MnR, 15MnVR, 15MnVNR, 8MnMoNbR, MnNiMoNbR, 15CrMoR, thiab lwm yam yog sawv cev los ntawm cov ntsiab lus carbon lossis alloying ntsiab lus.
2. Hlau phaj rau vuam lub tog raj kheej roj: Siv peev HP los qhia qhov kawg ntawm qib, thiab nws qib tuaj yeem qhia tau los ntawm qhov taw tes tawm, xws li: Q295HP, Q345HP; nws kuj tuaj yeem qhia nrog cov ntsiab lus alloying, xws li: 16MnREHP.
3. Hlau phaj rau boiler: Siv cov ntawv qis g los qhia qhov kawg ntawm lub npe hom. Nws qib tuaj yeem qhia tau los ntawm qhov taw qhia tawm, xws li: Q390g; Nws kuj tuaj yeem qhia tau los ntawm cov ntsiab lus carbon lossis alloying, xws li 20g, 22Mng, 15CrMog, 16Mng, 19Mng, 13MnNiCrMoNbg, 12Cr1MoVg, thiab lwm yam.
4. Hlau daim hlau rau txuas hniav: Siv cov ntawv me me los qhia qhov kawg ntawm qib, xws li Q420q, 16Mnq, 14MnNbq, thiab lwm yam.
5. Hlau phaj rau tsheb nqaj hlau: Siv peev L los qhia qhov kawg ntawm qib, xws li 09MnREL, 06TiL, 08TiL, 10TiL, 09SiVL, 16MnL, 16MnREL, thiab lwm yam.
