Nws ua raws li European Cov Qauv EN10028 thiab German tus qauv DIN17155. P295GHGH STEEL Phaj yog feem ntau muab rau hauv kub-}} dov thiab muaj nyob rau hauv ntau yam tuab thiab muaj qhov ntev. Thaum siv P295GHHHHG PHOO HLAU Phaj, nws yog ib qho tseem ceeb kom nws siv tau ua haujlwm kub thiab siab siab ua kom muaj kev nyab xeeb thiab txhim khu kev qha.
1.Qhia muaj pes tsawg leeg ntawm EN 10028 - P295GHGH
| C | 0.08 mus rau 0.20 | Cr | Tsawg dua los yog sib npaug rau 0.30 |
| Si | Tsawg dua los yog sib npaug rau 0.40 | CU | Tsawg dua los yog sib npaug rau 0.30 |
| Mn | 0.90 txog 1.50 | Mo | Tsawg dua los yog sib npaug rau 0.08 |
| P | 0.025 | Nb | Tsawg dua los yog sib npaug rau 0.020 |
| S | 0.015 | Ni | Tsawg dua los yog sib npaug rau 0.30 |
| Al | Tsawg dua los yog sib npaug rau 0.020 | Ti | 0.03 |
| N | Tsawg dua los yog sib npaug rau 0.012 | Vi | Tsawg dua los yog sib npaug rau 0.02 |
2.Mechanical cov yam ntxwv ntawm EN 10028 - P295GHGH
| Ntaus | Tuab (mm) | Paib lub zog MPa (min) |
Lub zog tensile MPa |
Elongation % (min) |
Kev Cuam Tshuam Lub Zog (Kv j) (min) |
|||
| -20 degree | 0 Qib | +20 degree | ||||||
| Zoo li cas | Tsawg dua los yog sib luag rau 16 | 295 | 460 - 580 | 21 | 27 | 34 | 40 | |
| 16>rau tsawg dua lossis sib npaug 40 | 290 | 460 - 580 | 21 | 27 | 34 | 40 | ||
| 40>kom tsawg dua lossis sib npaug rau 60 | 285 | 460 - 580 | 21 | 27 | 34 | 40 | ||
| 60>rau tsawg dua lossis sib npaug rau 100 | 260 | 460 - 580 | 21 | 27 | 34 | 40 | ||
| 100>rau tsawg dua lossis sib npaug rau 150 | 235 | 440 - 570 | 21 | 27 | 34 | 40 | ||
| 150>rau tsawg dua lossis sib npaug ntawm 250 | 220 | 430 - 570 | 21 | 27 | 34 | 40 | ||
3. Kev ua tau zoo ntawm P295GHGH HLAU Phaj
Lub zog: cov txiaj ntsig ib lub zog P295GHGH STEE yog ntau dua lossis sib npaug rau 295 MPa, thiab nws lub zog tensile muaj los ntawm 460 mus rau 580 MPa. Qhov no qhia tau tias cov hlau phaj ua kom pom zoo rau lub zog zoo thiab txhav hauv qab thauj khoom.
Ductility: Tus nqi elongation P295GHHGH STEE tau loj dua los yog sib npaug rau 20%, lub ntsiab lus nws muaj dua los tsoo.
Kev Cuam Tshuam Cov Khoom Siv: P295GHHGHHHGH HLAU muaj cov kev cuam tshuam zoo tsis muaj zog, nrog cuam tshuam lub zog nqus muaj zog uas ua tau rau kev siv hauv qis-} qhov chaw ib puag ncig.
Weldability: P295GH STEEL Phaj muaj qhov zoo tshaj plaws weldability, tso cai rau siab- Zoo Weld Seams thiab kev ua kom ruaj khov ntawm cov khoom.
Corrosion Kuj: cov tshuaj lom neeg cov tshuaj lom neeg ntawm P295GHIR Phaj muab nws nrog qee yam kev ua haujlwm rau oxidation, corrosion, thiab yaig, thiab kev yaig hauv ib cheeb tsam muaj kev lag luam dav dav.
Kev ua haujlwm kub ntau yam: P295GH STEEL Phaj yog tsim nyog rau kev tsim khoom nruab nrab {} {}}} kub siab cov hlab ntsha thiab boilers. Nws qhov siab - kub kuj tso cai rau nws ua haujlwm nyab xeeb ntawm qhov kub thiab txias txog 500 degree.
Qhov saum toj no yog qee qhov ua tau zoo ntawm P295GHHH STEEL Phaj. Cov teeb tsa no yog ua raws cov qauv thiab cov kev cai tshwj xeeb thiab tuaj yeem hloov kho raws li ib puag ncig ib puag ncig thiab cov kev xav tau.
4. Cov yam ntxwv ntawm P295GHHGH STEER PHAJ
P295GHY STEEL Phaj yog kub-}}}} biece steel phaj kom siab rau cov hlab ntsha thiab muaj cov yam ntxwv siab:
Siab - kub lub zog: P295GH STEEN lub zog ua kom zoo dua qub {2} Lub zog kub heev, ua kom nws tiv thaiv siab kub. Qhov no ua rau nws yog cov khoom siv zoo tshaj plaws rau kev tsim cov siab- Cov khoom siv dej sov xws li cov hlab roj, thiab cov roj txheem cua sov.
Zoo heev corrosition: cov tshuaj lom neeg muaj pes tsawg leeg ntawm P295GHH STEES RESISTANCE, cia nws tiv thaiv corrosion los ntawm acids, alkalis, thiab lwm yam tshuaj chev. Qhov no ua kom muaj kev pabcuam ntev ntev thiab kev ntseeg tau txawm tias nyob hauv ib puag ncig hnyav.
Zoo weldability: P295GH STEES Hlau Phaj Muaj cov kev vuam muaj zoo tshaj plaws thiab tuaj yeem koom nrog kev siv vuam vuam. Nws tuaj yeem welded rau lwm cov hlau los yog alloys kom tau raws li cov kev xav tau ntawm ntau yam kev siv.
Kev Siv Feem Tiv Thaiv Dav: P295GHHHHIR Phaj tuaj yeem siv rau hauv ntau yam ntawm cov hlab ntsha siab, xws li tso tsheb hlau luam, xa xov, thiab boilers. Nws tseem siv tau hauv cov cuab yeej tsim rau kev lag luam xws li roj av, tshuaj, fais fab, thiab tshuaj.
Ua raws li cov qauv: P295GHGH HLAU STEEN PAJOOS tau raws li cov kev cai European Cov Qauv EN10028-2 thiab yog cov siv cov khoom siv ntau rau cov khoom siab. Nws undergoes nruj kev tswjhwm thiab kuaj kom ntseeg tau cov cuab yeej siv tshuab hluav taws xob ruaj khov thiab tshuaj lom neeg.
Hauv cov ntsiab lus, P295GH STEERH khoom ua kom muaj siab siab, ua rau muaj kev kub ntxhov, ua rau nws siv lub siab siab rau hauv cov hlab ntsha tsim kev lag luam.
5. Cov ntawv thov ntawm P295GHHG PHOO HLAU Phaj
P295GHGH HLAU PICK tau siv dav hauv cov teb nram qab no thiab cov cuab yeej:
Cov Khoom Siab Siab Raug: P295GHIR Phaj yog ib qho khoom siv rau kev tsim cov nkoj siab, xws li kev hloov hluav taws xob cia, thiab cua sov. Nws tuaj yeem tiv thaiv siab - kub thiab muaj kev ua haujlwm siab thiab muaj cov khoom lag luam zoo ntawm kev ua haujlwm ntawm cov hlab ntsha siab.
Cov Khoom Siv Tshuaj: P29GHHHIR PHIC yog siv dav hauv kev tsim khoom ntawm cov khoom siv tshuaj lom neeg, xws li reactors, roj sib cais yees, thiab tso tsheb hlau luam cia. Hauv cov txheej txheem tshuaj lom neeg, cov khoom siv no tau nthuav dav rau ntau yam tshuaj lom thiab cov mob corrosion, thiab corrosion tsis kam ntawm P295GHGIC hlau phaj tau raws li cov cai no.
Roj av thiab cov nkev kev lag luam: P295GH STEEL Phaj yog siv nyob rau hauv cov cuab yeej tsim rau cov roj av thiab roj av tso tsheb hlau thiab pipelines. Vim nws siab - kub lub zog thiab corrosion zog, nws tuaj yeem tiv thaiv cov kev lag luam, thiab kev ua cov roj av thiab roj av.
Kev lag luam fais fab: P295GHIR Phaj yog siv rau hauv kev tsim cov khoom siv hluav taws xob, xws li lub zog tiam thiab lub tshuab turbines. Lub siab - kub thiab siab - pa dej siab, thiab cov khoom ntawm P295GHHGHIR PHAJ FORMIN FIENTAGE.
Hauv cov ntsiab lus, P295GHH STEEL Phaj feem ntau siv nyob rau hauv siab lub nkoj tsim, siv tshuaj chemical, cov roj av kev lag luam, thiab kev lag luam roj teeb. Nws zoo heev siab - kub lub zog thiab corrosion lub zog thiab corrosion lub zog thiab kev ua haujlwm kom nyab xeeb thiab ruaj khov ntawm cov khoom siv tau ua haujlwm.
