Txheej txheem cej luam
1.8935yog tus qauv European (EN) tsim rau azoo -grained, thermo-mechanically dov carbon-manganese steeltshwj xeeb tsim los rau lub hom phiaj siab thiab siab kub siv. Nws yog ib qho khoom siv ntau thiab ntau yam rau cov kav dej boiler thiab cov hlab ntsha siab.
Lub npe nrov tshaj plaws uas koj yuav ntsib rau qib no yogP265GHRaws li EN 10216-2 tus qauv rau seamless raj rau lub hom phiaj siab.
Cov ntsiab lus tseem ceeb thiab cov qauv sib npaug
| Txuj | Qib | Nco tseg |
|---|---|---|
| TS EN 10216-2 | P265GH | Qhov no yog thawj thiab tshwj xeeb tshaj plaws specification rau seamless boiler kav. |
| TS EN 10028-2 | P265GH | Qhov no yog cov specification rau cov khoom tiaj tus (phaj) siv los ua welded kav. |
| TIAB SA 17175 | Qhov 35.8 / 45.8 | Cov qauv qub German; P265GH yog qhov sib npaug niaj hnub nrog cov kev cai nruj dua. |
| TS EN ISO 9327-2 | P265GH | International sib npaug. |
| ASTM A192 / A210 / ASTM A192 / ASTM A210 Cov Lus Qhia Tshwj Xeeb | Qib A1 | Qhov ze tshaj plaws Asmeskas sib npaug, txawm hais tias cov tshuaj lom neeg thiab cov khoom siv kho tshuab tsis zoo ib yam. |
Chemical Composition (raws li EN 10216-2)
Cov muaj pes tsawg leeg yog ua tib zoo tswj kom zoo weldability thiab lub zog ntawm qhov kub thiab txias.
| Element | Kev sib xyaw (%) |
|---|---|
| Cov pa roj carbon (C) | Tsawg dua los yog sib npaug li 0.20 |
| Silicon (Si) | Tsawg dua los yog sib npaug li 0.40 |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.40 |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.025 |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.015 |
| Aluminium (Al) | Ntau dua lossis sib npaug rau 0.020 |
Cov ntsiab lus tseem ceeb:
Tsawg Carbon & Sulfur:Qhov no ua kom zoo heevweldabilitythiab zoo toughness.
Fine Grain Structure:Qhov tsawg kawg nkaus Aluminium cov ntsiab lus ua raws li cov nplej refiner, ua kom muaj qhov zoo -grained microstructure uas txhim kho toughness thiab lub zog.
Manganese Cov ntsiab lus:Manganese pab txhawb lub zog thiab hardenability.
Mechanical Properties (ntawm chav tsev kub)
Cov khoom no yog rau cov yeeb nkab tiav, sim transversely ntawm ib lub strip coj los ntawm cov yeeb nkab.
| Khoom | Tus nqi |
|---|---|
| Yield zog (Rp0.2 Min) | 265 MPa rau |
| Tensile zog (Rm) | 410 - 530 MPa |
| Elongation (A Min) | 24% (ntawm cov khoom siv hauv paus) |
Vim li cas "P265GH"?Tus "P" sawv cev rau Siab, "265" yog tusyam tsawg kawg nkaus yield zognyob rau hauv MPa ntawm chav tsev kub, thiab "GH" sawv rauGaseousthiabSiabkub.
High -Tsev Khoom Cuab Yeej (Qhov Tseem Ceeb)
Qhov no yog tus yam ntxwv tseem ceeb tshaj plaws ntawm 1.8935 / P265GH. Nws yog tsim los tuav nws lub zog thaum raug kub hnyiab tau ntev (lub zog nkag).
| Kub | Kwv yees li . 0.2% Pov Thawj Zog (Rp0.2 Min) |
|---|---|
| 50 degree | 255 MPa |
| 100 degree | 240 MPa |
| 200 degree | 215 MPa |
| 250 degree | 195 MPa ua |
| 300 degree | 175 MPa |
| 350 degree | 155 MPa |
Raws li koj tuaj yeem pom, nws tuav lub zog tseem ceeb tshaj 300 degree, uas yog qhov tseem ceeb rau kev ua haujlwm boiler.
Cov ntawv thov tseem ceeb
1.8935 / P265GH kav yog siv nyob qhov twg muaj kev kub siab thiab kub:
Boiler Tubes:Thawj daim ntawv thov. Siv nyob rau hauv ob qho tib si dej- raj thiab hluav taws- raj boilers rau:
Superheaters
Reheaters
Economizers
Cov phab ntsa dej
Cov nkoj siab:Txhawm rau kom muaj chav dej, dej kub, thiab lwm yam txheej txheem dej.
Kub Exchangers & Condenser:Cov raj uas muaj cua sov los yog cua txias tshaj tawm.
Superheated Chav Piping:Rau kev thauj cov chav los ntawm lub boiler mus rau turbines los yog txheej txheem khoom.
Fais fab Generation Plants:Fossil roj thiab biomass fais fab chaw nres tsheb.
Vim li cas nws thiaj haum rau Boilers?
Siab -Tsub Muaj Zog:Nws qhov txiaj ntsig tseem ceeb yog nws lub peev xwm los tiv thaiv sab hauv ntawm kev ua haujlwm kub feem ntau ntawm 250℃thiab 400℃yam tsis muaj qhov cuam tshuam loj heev.
Zoo Weldability:Qhov sib npaug qis qis tso cai rau kev vuam yooj yim thiab nyab xeeb yam tsis muaj ua ntej- lossis tom qab- kho cua sov hauv feem ntau cov tuab, uas yog qhov tseem ceeb rau kev tsim cov tshuab boiler.
Formability zoo:Nws tuaj yeem khoov thiab tsim rau hauv cov duab uas yuav tsum tau ua rau cov qauv boiler complex.
Tus nqi -Kev ua tau zoo:Raws li cov pa roj carbon steel, nws muaj kev lag luam ntau dua li cov hlau alloy xws li 1.7380 (P11) lossis stainless hlau, thaum muab kev ua tau zoo txaus rau ntau qhov chaw boiler.
Manufacturing thiab Supply
Txheej txheem:Feem ntau muab raws liseamless (S)los yogwelded (W)cev.
Kev kho cua sov:Cov kav dej feem ntau yog muab nkag rau hauv qhov xwm txheej (+N), uas ua kom zoo rau cov qauv nplej thiab cov khoom siv kho tshuab.
Cov ntsiab lus
1.8935 (P265GH) Carbon Steel Boiler Yeeb Nkabyog ib lub siab - zoo, cov khoom siv tau zoo uas yog cov neeg ua haujlwm ntawm lub boiler thiab siab hlab ntsha kev lag luam. Nws qhov sib npaug sib xyaw ua ke ntawm lub zog ntawm qhov kub siab, zoo heev weldability, thiab zoo toughness ua rau nws txhim khu kev qha thiab tus nqi -kev xaiv zoo rau qhov tseem ceeb siab - siab, siab - kev siv kub. Thaum muab cov khoom siv no, nco ntsoov xyuas cov ntawv pov thawj zeb thiab cov cim ua rawsTS EN 10216-2.
