15 hmo 3(los yog 15MO3) yog European qib chrome-molybdenum alloy steel tshwj xeeb tsim los siv rau hauv cov hlab ntsha siab, boilers, thiab kub exchangers. Nws tau txhais raws li EN 10028-2 (yav tas los DIN 17155) tus qauv.
15Mo3 Steel Phaj Chemical Composition:
| C | Mn | S | N | Cu | Si | P | Cr | Ni | Mo |
| 0.12- 0.2 | 0.40-0.90 | 0.01 | 0.012 | 0.30 | 0.35 | 0.025 | 0.30 | 0.30 | 0.25-0.35 |
15Mo3 PVQ Hlau Phaj Mechanical Properties:
| Qib | 15 ZPO 3 | ||||
| 15 ZPO 3 | Tensile zog (Mpa) |
Yield zog (Mpa) |
Elongation hauv 100-150 hli (%) |
Elongation hauv 16 hli (%) |
Max Thickness (mm) |
| 440-590 | 220-275 | 19 | 24 | 250 | |
15Mo3 Boiler Steel Phaj Lub Cev Khoom:
| Thickness (hli) | Tsawg dua los yog sib npaug li 16 | >16 Tsawg dua lossis sib npaug li 40 | >40 Tsawg dua los yog sib npaug li 60 | >60 Tsawg dua los yog sib npaug rau 100 | > 100 |
| Yield zog (Ntau dua lossis sib npaug rau Mpa) | 275 | 270 | 260 | 240 | 220 |
| Thickness (hli) | Tsawg dua los yog sib npaug li 60 | >60 Tsawg dua los yog sib npaug rau 100 | > 100 | ||
| Tensile zog (Mpa) | 440-590 | 430-580 | 420-570 | ||
15Mo3 Vessel Steel Phaj Sib npaug Qib:
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN | BS | GOST |
| 15 ZPO 3 | 1.5415 | – | JIS G3115 | TS EN 10028-2 | SIB 1501 | – |
daim ntawv thov
• Boiler thiab siab hlab ntsha fabrication:
Cov khoom siv feem ntau yog siv hauv kev tsim cov boilers, chav generators, thiab cov hlab ntsha siab uas ua haujlwm ntawm qhov kub siab. Nws cov creep tsis kam ua kom muaj kev ntseeg ruaj khov txawm tias nyob rau hauv kev ntxhov siab tas mus li, uas yog qhov tseem ceeb rau kev nyab xeeb thiab txhim khu kev lag luam hauv kev tsim hluav taws xob thiab kev lag luam.
• Petrochemical thiab refinery khoom:
Nws yog siv rau cov kav dej, cov khoom siv hluav taws xob, thiab cov khoom siv reactor nyob rau hauv refineries thiab tshuaj nroj tsuag. Cov tshuab no feem ntau muaj qhov kub thiab txias thiab corrosive kua, thiab cov hlau ruaj khov pab tiv thaiv tsis ua hauj lwm thiab tswj cov txheej txheem kev ua haujlwm.
• Lub zog tsim kev lag luam:
Hauv thermal fais fab nroj tsuag, nws yog siv rau superheater raj, headers, thiab lwm yam boiler qhov chaw uas raug rau high-temperature chav. Cov khoom siv kev ua tau zoo nyob rau hauv lub caij ntuj sov ua rau nws yog qhov kev xaiv zoo rau kev ua kom lub neej ua haujlwm ntev thiab txo cov kev xav tau ntawm kev saib xyuas.
• General high-temperature engineering:
Nws kuj tseem pom cov ntawv thov hauv ntau lub tshuab hluav taws xob, cov khoom siv kho cua sov, thiab cov kav dej uas yuav tsum tau ua haujlwm zoo ib yam ntawm qhov kub siab. Nws zoo weldability tso cai rau kev hloov pauv tau yooj yim, txhawb nqa nws siv hauv kev cai engineering daws teeb meem.
daim ntawv thov tej yam kev mob
• Kev pabcuam kub siab:
Cov hlau yog tsim los rau kev ua haujlwm mus sij hawm ntev ntawm qhov kub thiab txias, feem ntau nyob rau hauv ib puag ncig uas cov cua kub tsis tu ncua yuav ua rau cov hlau tsis muaj zog los yog deform. Nws lub peev xwm los tiv thaiv creep ua rau nws haum rau cov khoom uas ntsib lub sij hawm ntev thermal stress.
• Kev kub siab ib puag ncig:
Nws yog feem ntau siv nyob rau hauv cov khoom siv siab uas muaj qhov siab ntawm sab hauv. Cov khoom siv tswj hwm nws cov qauv kev ncaj ncees nyob rau hauv cov xwm txheej zoo li no, uas yog qhov tseem ceeb rau kev tiv thaiv tsis ua haujlwm hauv boilers, cov hlab ntsha, thiab cov kav dej.
• Nruam los yog cyclic thermal loading:
Cov ntawv thov uas rov ua cua sov thiab cua txias kuj tau txais txiaj ntsig los ntawm cov hlau no ruaj khov. Nws tuaj yeem tiv taus thermal qaug zog zoo dua li ntau cov qauv carbon steels, ua rau nws tsim nyog rau cov tshuab uas muaj qhov kub thiab txias tsis tu ncua.
• Nruab nrab corrosion raug:
Thaum tsis muaj corrosion-resistant heev, cov khoom ua tau zoo nyob rau hauv ib puag ncig nrog me me corrosive hais, xws li qee cov txheej txheem ua kua. Nws yog feem ntau siv nrog kev tiv thaiv ntxiv, xws li cov coatings lossis liners, thaum muaj kev kub ntxhov ntau dua.
• Welded tsim ib puag ncig:
Cov hlau feem ntau siv rau hauv cov xwm txheej uas xav tau kev vuam dav. Nws zoo weldability tso cai rau nws siv nyob rau hauv fabrications qhov twg cov pob qij txha yuav tsum muaj zog ntawm qhov kub thiab txias, txhawb nws siv nyob rau hauv loj-scale khoom sib dhos.
qhov zoo
• Zoo heev creep kuj: Cov hlau tuav nws lub zog thiab cov duab txawm tias raug kub thiab siab ntev, uas yog ib qho tseem ceeb rau cov khoom ua haujlwm ntawm qhov kub siab. Qhov kev tiv thaiv no pab tiv thaiv kom tsis txhob deformation maj mam thiab txuas ntxiv lub neej kev pab cuam.
• Zoo siab kub lub zog: Nws khaws cov qib siab zog ntawm qhov kub thiab txias uas cov pa roj carbon zoo tib yam yuav muag, ua rau nws tsim nyog rau boiler raj, siab hlab ntsha, thiab lwm yam tseem ceeb uas yuav ntsib kev nyuaj siab tsis tu ncua.
• Superior weldability: Cov khoom siv tau yooj yim welded siv cov txheej txheem sib txawv, tso cai rau kev hloov pauv thiab sib dhos. Welded pob qij txha kuj tseem muaj lub zog zoo ntawm qhov kub thiab txias, uas yog qhov tseem ceeb rau kev ua haujlwm ruaj khov.
• Zoo thermal qaug zog tsis kam: Nws tiv taus cov cua sov thiab cua txias dua yam tsis muaj kev puas tsuaj loj, txo qhov kev pheej hmoo ntawm kev tawg hauv cov tshuab uas muaj qhov kub thiab txias tsis tu ncua.
• Kev ua haujlwm raug nqi: Thaum nws muab cov khoom zoo ib yam li qee cov hlau alloy uas kim dua, nws muaj kev sib xyaw ua ke ntawm kev ua tau zoo thiab kev pheej yig, ua rau nws xaiv qhov zoo rau ntau daim ntawv thov kev lag luam.
Tau txais cov lus muaj nuj nqis rau 15Mo3, Hu rau GNEE Steel.
Dab tsi yog cov khoom tseem ceeb ntawm 15MO3?
Cov khoom tseem ceeb yog C (0.12-0.20%), Si (0.10-0.35%), Mn (0.40-0.70%), Mo (0.25-0.35%), P Tsawg dua lossis sib npaug li 0.035%, S Tsawg dua lossis sib npaug rau 0.035%, thiab Fe raws li qhov sib npaug, ua tau raws li 8-1 tus qauv.
15MO3 feem ntau siv rau dab tsi?
Nws yog dav siv nyob rau hauv manufacturing boiler raj, siab hlab ntsha, tshav kub exchangers, thiab chav kav. Cov khoom no ua haujlwm nyob rau hauv siab - qhov kub thiab txias, siab - ib puag ncig siab hauv cov chaw tsim hluav taws xob, refineries, thiab chemical industries.
Kev kho cua sov dab tsi yog 15MO3 raug rau?
Kev kho cua sov ntau rau 15MO3 suav nrog normalizing (880-920 degree, cua txias) thiab tempering (600-650 degree, cua txias). Qhov no ua kom zoo dua cov qauv nplej, txhim kho cov khoom siv kho tshuab, thiab ua kom ruaj khov ntawm qhov kub thiab txias.
Lub melting point ntawm 15MO3 yog dab tsi?
Cov ntsiab lus melting ntawm 15MO3 yog 1450-1500 degree, zoo ib yam li lwm yam qis- alloy steels. Qhov siab melting point no ua kom nws muaj peev xwm tswj tau cov qauv kev ncaj ncees nyob rau hauv high-temperature kev pab cuam ib puag ncig yam tsis muaj melting los yog deforming.
15MO3 puas tuaj yeem siv rau hauv qhov chaw ua haujlwm cryogenic?
Tsis yog, 15MO3 tsis haum rau cov chaw ua haujlwm cryogenic. Nws toughness txo qis heev ntawm qhov kub thiab txias, ua rau muaj kev pheej hmoo ntawm nkig tawg. Nws yog tsim los rau siab - kub ntau dua li qis - cov ntawv siv kub.
Puas yog 15MO3 resistant rau corrosion?
15MO3 muaj nruab nrab corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv siab -kub chav thiab me me corrosive media. Txawm li cas los xij, nws tsis haum rau qhov muaj zog corrosive ib puag ncig (xws li, acidic lossis alkaline daws) yam tsis muaj kev tiv thaiv ntxiv - kho corrosion.
15MO3 puas tuaj yeem welded?
Yog lawm, 15MO3 yog weldable, tab sis preheating (150-250 degree) thiab tom qab vuam kub kho (PWHT) yuav tsum tau. Qhov no txo qhov kev ntxhov siab ntawm vuam, tiv thaiv cov kab nrib pleb txias, thiab tswj cov khoom siv hluav taws xob kub thiab tawv tom qab vuam.
Qhov kev pabcuam siab tshaj plaws ntawm 15MO3 yog dab tsi?
15MO3 qhov siab tshaj plaws kev pab cuam qhov kub thiab txias yog kwv yees li 530 degree. Dhau li ntawm qhov no, nws cov creep kuj thiab cov khoom siv kho tshuab poob qis heev, cuam tshuam cov qauv kev ruaj ntseg hauv siab -kub siv.
Cov qauv twg 15MO3 ua raws?
15MO3 feem ntau ua raws li EN 10028-2 (Tebchaws Europe tus qauv rau cov hlab ntsha siab) thiab DIN 17155 (German industrial standard). Cov qauv no qhia txog nws cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab kev tsim khoom.