Bututun ƙarfe / Tube pilings / Na'urorin haɗi
01
Bututu tare da Rubutun Anti-lalata
Gabatarwar Kayayyakin
Matsayi: Ƙungiya kamar Ƙungiyar Gwaje-gwaje da Kayayyaki ta Amirka (ASTM), Ƙungiyar Ƙasa ta Duniya (ISO) da Ƙungiyar Ƙwararrun Ƙwararrun Ƙwararru (NACE). Waɗannan ƙa'idodi sun ƙididdige buƙatun don kayan shafa, hanyoyin aikace-aikace, hanyoyin gwaji da ƙa'idodin aiki.
Rabe-rabe bisa jiyya a saman: Ana iya rarraba bututu tare da suturar rigakafin lalata bisa nau'in suturar da aka yi amfani da su. Rukunin gama gari sun haɗa da: Fused Bonded Epoxy (FBE) Rufin Polyethylene (PE) ko polypropylene (PP) shafi Kwalta ko murfin kwalta Tutiya mai arzikin fenti Polyurethane shafi Coal tar enamel shafi.
Aikace-aikace: Ana amfani da bututu tare da suturar rigakafin lalata a masana'antu daban-daban, ciki har da: Man Fetur da Gas: Bututun da ake amfani da su don jigilar ɗanyen mai, iskar gas da samfuran mai Ruwa da ruwan sha: don ruwan ƙasa da magudanar ruwa Chemical da petrochemical: don jigilar sinadarai masu lalata da acid Marine da kuma bakin teku: don bututun da ke karkashin teku da kuma gine-ginen teku Kayan aiki: Don amfani da gadoji, docks da sauran gine-ginen da aka fallasa ga mummunan yanayin muhalli Wadannan bututun suna da mahimmanci don kiyaye mutunci da tsawon rayuwar muhimman ababen more rayuwa da tsarin masana'antu, musamman ma a cikin yanayi mai tsauri ko lalata. Lokacin ƙayyadaddun ko zaɓin bututu tare da suturar lalata, yana da mahimmanci don komawa zuwa matakan da suka dace da kuma tuntuɓar masana masana'antu don tabbatar da cewa zaɓin da aka zaɓa ya dace da ƙayyadaddun bukatun aikace-aikacen da aka yi niyya.
Matsayin Karfe:
API 5L: GR B, X42,X46, X56, X60,X65,X70
ASTM A53: GR A, GR B, GR C
EN: S275, S275JR, S355JRH, S355J2H
GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555
Gwaji: Binciken Abubuwan Sinadarai, Abubuwan Injini (Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfafawa, Ƙarfin Ƙarfafawa), Ƙarfin Ƙarfafawa), Ƙirar Fasaha (Gwajin Fasa, Gwajin Lankwasawa, Gwajin Busa, Gwajin Tasiri), Binciken Girman Girman waje, Gwajin Hydrostatic, Gwajin X-ray.
Takaddar Gwajin Mill: EN 10204/3.1B
API 5L Line Pipe
API 5L PSL1/PSL2 GR B , X42, X46, X52, X60, X65, X70
KAYAN KANikanci DA RUWAN KARFE KENAN
| KARFE GIRMA | Ƙarfin ƙima, min. psi (MPa) | Ƙarfin juzu'i, min. psi (MPa) | Tsawaita cikin inci 2, min. % |
| GR B | 245 | 415 |  |
| X42 | 290 | 415 | |
| X46 | 320 | 435 | |
| X52 | 360 | 460 | |
| X56 | 390 | 490 | |
| X60 | 415 | 520 | |
| X65 | 450 | 535 | |
| X70 | 485 | 570 |
| KARFE GIRMA | % ta taro, Matsakaicin | ||||
| C | Kuma | Mn | P | S | |
| GR B | 0.26 | 0.40 | 1.20 | 0.030 | 0.030 |
| X42 | 0.26 | 0.40 | 1.30 | 0.030 | 0.030 |
| X46 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
| X52 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
| X56 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
| X60 | 0.26 | 0.40 | 1.40 | 0.030 | 0.030 |
| X65 | 0.26 | 0.40 | 1.45 | 0.030 | 0.030 |
| X70 | 0.26 | 0.40 | 1.65 | 0.030 | 0.030 |
BUKUNAN KARFE KAMAR YADDA ASTM A53 GR. B
KAYAN KANikanci DA RUWAN KARFE KENAN
| KARFE GIRMA | Matsakaicin abun ciki, % | ||||||||
| C | Mn | P | S | Tare da | A ciki | Cr | Mo | IN | |
| GR B | 0.30 | 1.20 | 0.05 | 0.05 | 0.40 | 0.40 | 0.40 | 0.15 | 0.08 |
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