12Cr2MoG boiler rajmuaj zog corrosion kuj rau oxidizing acids (xws li nitric acid), thiab kuj muaj qee yam corrosion kuj rau alkali daws, feem ntau cov organic acids thiab inorganic acids. Cov yeeb nkab no tsuas yog siv rau cov cua kub ntawm cov kav dej ntawm qhov qis thiab nruab nrab siab boilers. Nws qhov kev ua haujlwm siab feem ntau tsis ntau dua 5.88Mpa, thiab nws qhov ua haujlwm kub qis dua 450 degree. Nyob rau tib lub sijhawm, nws kuj tseem siv rau hauv cov boilers high-pressure boilers, economizers, superheaters, reheaters, petrochemical kev lag luam kav, thiab lwm yam. Nws ua hauj lwm siab yog siab tshaj 9.8Mpa, thiab nws ua hauj lwm kub ntawm 450 degree thiab 650 degree.
Kub-dov 12Cr2MoG alloy steel kav feem ntau tsim los ntawm cov yeeb nkab tsis siv neeg dov. Yog tias koj xav kom tau txais cov kav dej seamless nrog qhov me me thiab zoo dua, koj yuav tsum siv cov khoom siv txias txias, kos duab txias, los yog ua ke ntawm ob. Qhov zoo ntawm cov yeeb nkab zoo li no yuav tsum tsis txhob muaj cov kab nrib pleb, folds, folds, sib cais txheej, kab plaub hau thiab caws pliav tsis xws luag. Nyob rau tib lub sijhawm, ob qhov kawg yuav tsum tau txiav ntawm txoj cai kaum thiab burrs yuav tsum tau muab tshem tawm.
Cov tshuaj muaj pes tsawg leeg ntawm GB 5310 12Cr2MoG seamless boiler raj
| Qib Steel | C | Si | Mn | S | P | Cr | Mo |
| 12Cr2MoG | 0.08-0.15 | Tsawg dua lossis sib npaug rau 0.60 | 0.40-0.60 | 0.015 | 0.025 | 2.00-2.50 | 0.90-1.13 |
Mechanical zog ntawm GB 5310 12Cr2MoG siab boiler raj
| Tensile zog, MPa | Yield zog, MPa | Elongation,% | Impact (KV2)/J | Hardness | |
| 450-600 | 280 feeb | 22 feeb | 40 (OD Ntau dua lossis sib npaug rau 76mm & WT Ntau dua lossis sib npaug rau 14mm) | HBW 125-180 | HV 125-180 |
12Cr2MoG Alloy tuab phab ntsa seamless yeeb nkab
Kev kho cua sov rau 12Cr2MoG Boiler Tubes
| Qib | Kev kho cua sov |
| 12Cr2MoG | 980 degree -1 020 degree, Normalizing, 980 degree ~ 1 020 degree normalizing, thaum phab ntsa thickness ntau dua 30 hli, yuam kom txias; 720 degree ~ 760 degree tempering. |
Cov txheej txheem tsim khoom
(1) Hlau smelting txoj kev
GB 5310 12Cr2MoG steel yuav smelted los ntawm hluav taws xob rauv ntxiv rau qhov cub refining, oxygen converter ntxiv rau cub refining los yog electroslag remelting txoj kev.
(2) Kev tsim cov txheej txheem thiab cov kev cai rau cov raj blanks
Lub raj tsis muaj peev xwm ua tau los ntawm kev nruam casting, tuag casting lossis kub dov (forging).
(3) Kev tsim cov txheej txheem steel raj
GB 5310 12Cr2MoG Steel tubes yuav tsum tau tsim los ntawm kub dov (extrusion, expansion) los yog txias txias (dov).
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