Txheej txheem cej luam ntawm Ductile Hlau Kav
Nws tau ntau dua 70 xyoo txij thaum muaj kev tsim muaj cov yeeb nkab kas fes hauv xyoo 1940. Nrog nws lub zog siab, siab elongation, corrosion tsis kam, cov yeeb nkab cov yeeb nkab zoo, cov yeeb nkab cov yeeb yam zoo tshaj plaws rau cov dej hauv ntiaj teb rau kev nyab xeeb. Cov hlau khi, kuj hu ua fodular hlau lossis spheroid graphite hlau, yog tus cwj pwm los ntawm lub xub ntiag ntawm spheroid graphite nyob rau hauv seedant castings.
Kev qhia tshwj xeeb ntawm cov kav hlau zas
| KhoomLub npe | Zas Hlau Yeeb Nkab, DI Yeeb Nkab, Zas Nrum Hlau Kav, Nodular cam khwb cia hlau yeeb |
| Qho ntev | 1-12 metres lossis raws li qhov xav tau ntawm cov qhua tuaj noj mov |
| Qhov loj | DN 80 hli rau DN 2000 hli |
| Teem nqi | K9, K8, C40, CT, C25, thiab lwm yam. |
| Lub hom phiaj | ISO2531, E545, EN598, GB, thiab lwm yam |
| Tus kav dejJquav sab | Thawb-rau kev sib koom ua ke (TYTON sib koom tes), K Hom Sib Koom Tes, Kev Tswj Tus Kheej |
| Khoom | Zas cam khwb cia hlau |
| Sab Hauv Txheej | a). Portland xis mas colled |
| b). Sulphate Resistant Cegas Cug Chlu | |
| c). Kev loj-Aluminium Caas Colf | |
| d). Fusion Bonded Epoxy Txheej | |
| e). Kua Epoxy Painting | |
| f). Dub Bitumen Painting | |
| Sab nraud txheej | a). Zinc + Bitumen (70MicRons) Painting |
| b). Fusion Bonded Epoxy Txheej | |
| c). Zinc-Txhuas Alloy + Kua Epoxy Painting | |
| Daim ntawv thov | Dej chaw ua dej, tso kua dej, dej phwj tuaj, dej khib nyiab, dej xa dej. |
Cov Cim Ntawm Cov Kav Hlau Zas
Zas cov kav hlau hlau muaj nyob rau hauv ib txoj kab ntawm diameters los ntawm 80 mm rau 2000 mm thiab faib rau bs en 545) thiab lim dej (raws li BS Enc 598). Zas cov kav hlau yog yooj yim sib koom ua ke, tuaj yeem tso rau hauv tag nrho cov huab cua huab cua thiab feem ntau tsis tas yuav xaiv cov backfill. Nws cov kev nyab xeeb siab thiab muaj peev xwm ua kom haum hauv av txav ua nws cov khoom siv hluav taws xob zoo tshaj plaws rau ntau cov ntawv thov.
Cov qib ntawm cov yeeb nkab hlau yeeb nkab uas peb tuaj yeem muab
Cov lus hauv qab no yog qhia txhua tus condile cov kab hlau cov qib rau txhua lub tebchaws.If koj yog american, koj tuaj yeem xaiv 60-40-18, 65-45-45-4 xyoos, yog tias koj tuaj yeem xaiv 400-12, 500-7, 600-3 lwm yam.
| Lub teb chaws | Zas Cov Hlau Khoom qeb | |||||||
| 1 | Phiaj suav | Qt400-18 | Qt450-10 | Qt500-7 | QT600-3 | Qt700-2 | QT800-2 | Qt900-2 |
| 2 | Nyiaj txiag | FCD400 | FCD450 | FCD500 | FCD600 | FCD700 | FCD800 | - |
| 3 | Usa | 60-40-18 | 65-45-12 | 70-50-05 | 80-60-03 | 100-70-03 | 120-90-02 | - |
| 4 | Teb chaws russia | B ч 40 | B ч 55 | B ч 50 | B ill 60 | B ч 70 | B ill 80 | B ч 100 |
| 5 | Lub teb chaws Yelemees | Ggg40 | - | GGGES | Ggg60 | Ggg70 | Ggg80 | - |
| 6 | Ltalis | GS370-17 | GS400-12 | GS500-7 | Gs600-2 | Gs700-2 | Gs800-2 | - |
| 7 | Fabkis | FGS370-17 | FGS400-12 | FGS500-7 | FGS600-2 | FGS700-2 | FGS800-2 | - |
| 8 | Lus teb chaws | 400/17 | 420/12 | 500/7 | 600/7 | 700/2 | 800/2 | 900/2 |
| 9 | Tuab neeg Poland | Zs3817 | Zs4012 | Zs5002 | Zs6002 | Zs7002 | Zs8002 | Zs9002 |
| 10 | Is Nrias teb | SG370 / 17 | SG400 / 12 | SG500 / 7 | SG600 / 3 | SG700 / 2 | SG800 / 2 | - |
| 11 | Teb chaws Romania | - | - | - | - | Fgn70-3 | - | - |
| 12 | Spain | FGE38-17 | Fge42-12 | FGE50-7 | Muab sau ua ke-2 | FGE70-2 | FGE80-2 | - |
| 13 | Hauv belgium | FNG38-17 | FNG42-12 | Fng50-7 | Fng60-2 | Fng70-2 | Fng80-2 | - |
| 14 | Australia teb | 400-12 | 400-12 | 500-7 | 600-3 | 700-2 | 800-2 | - |
| 15 | Swunden | 0717-02 | - | 0727-02 | 0732-03 | 0737-01 | 0864-03 | - |
| 16 | Khauv | Gǒv38 | Gǒv40 | Gǒv50 | Gǒv60 | Gǒv70 | - | - |
| 17 | Bulgaria | 380-17 | 400-12 | 450-5, 500-2 | 600-2 | 700-2 | 800-2 | 900-2 |
| 18 | ISO | 400-18 | 450-10 | 500-7 | 600-3 | 700-2 | 800-2 | 900-2 |
| 19 | LubOP | - | FMNP45007 | FMNP55005 | FMNP65003 | FMNP70002 | - | - |
| 20 | Tuam Tshoj Taiwan | GRP400 | - | GRP500 | GRP600 | GRP700 | GRP800 | - |
| 21 | Lub moo zoo | Gn38 | GN42 | Gn50 | Tus gn60 | Gn70 | - | - |
| 22 | Luxembourg | FNG38-17 | FNG42-12 | Fng50-7 | Fng60-2 | Fng70-2 | Fng80-2 | - |
| 23 | Austria | Sg38 | SG42 | Sg50 | Sg60 | SG70 | - | - |
Zas Hlau Daim Ntawv Thov
Cov kav hlau muaj ntau dua lub zog thiab ductility dua li cov hlau grey. Cov khoom uas tso cai rau nws siv tau zoo nyob rau hauv ntau cov kev siv cov kev lag luam, suav nrog cov yeeb nkab, cov thawv, twj siv cov cua, thiab ntau ntxiv. Vim tias nws tsis tawg zoo li cov hlau grey, zas kuj muaj kev nyab xeeb rau siv hauv kev siv tshuaj tiv thaiv kev tiv thaiv, xws li bollards.
