| IMINININGWANE YEPHAYIPHA LESTEEL SSAW | |
| 1.Usayizi | 1)OD:219mm-3500mm |
| 2) Ukuqina Kodonga: 5mm-30mm | |
| 3) SCH20,SCH40,STD,njll | |
| 2.Okujwayelekile: | ASTM A53,API 5L,EN10219,EN10210,ASTM A252 njll |
| 3.Impahla | Q235, Q345,ASTM A53 Gr.B,API5L Gr.B X42 X52 X60 X70 X80,S235JRH, S355J0H njll |
| 4. Ukusetshenziswa: | 1) Uketshezi olunomfutho ophansi, amanzi, igesi, uwoyela, ipayipi lomugqa |
| 2)Ipayipi lesakhiwo, ukwakhiwa kokunqwabelana kwamapayipi | |
| 3)Ucingo, ipayipi lomnyango | |
| 5.Ukugqoka | 1) Igcwele 2) Upende Omnyama (i-varnish) 3) Kufakwe amagalani 4) Igcotshwe ngamafutha 5)PE, 3PE, FBE, ukugqwala ukumelana nokugqwala, I-Anti corrosion coating |
| 6.Isu | Kuvunguza ashiselwe ipayipi lensimbi |
| 7.Uhlobo Lomugqa Oshiselwe | I-SSAW |
| 8.Ukuhlola: | Ngokuhlolwa kwe-Hydraulic, i-RT, i-UT noma ukuhlolwa komuntu wesithathu |
| 9.Ukulethwa | Isitsha, Umkhumbi Wenqwaba. |
| 10. Mayelana Nekhwalithi Yethu | I-1) Akukho monakalo, akukho okugobile 2) Awekho ama-burrs noma imiphetho ebukhali futhi azikho izinsalela 3) Imahhala yokugcoba nokumaka I-4) Zonke izimpahla zingahlolwa ngokuhlolwa komuntu wesithathu ngaphambi kokuthunyelwa |
● Ipayipi elingenalutho noma i-Black / Varnish enamathela (okwenziwe ngokwezifiso);
● Ngokukhululekile;
● Kokubili kuphetha ngabavikeli bokugcina;
● I-Plain end , i-bevel end;
● Ukumaka.
| Izidingo ze-Tensile | |||
| Ibanga loku-1 | Ibanga lesi-2 | Ibanga lesi-3 | |
| Amandla aqinile, min, psi (MPa) | 50 000 (345) | 60 000 (415) | 66 000 (455) |
| Iphoyinti lesivuno noma amandla esivuno, min, psi(MPa) | 30 000 (205) | 35 000 (240) | 45 000 (310) |
| Ubude obuncane obuyisisekelo bokuqina kodonga okuzisholo%6 in. (7.9 mm) noma ngaphezulu: | |||
| Ubude ku-8 in. (203.2 mm), min, % | 18 | 14 | ... |
| Ubude ku-2 in. (50.8 mm), min, % | 30 | 25 | 20 |
| Ngobukhulu obuncane bodonga obungaphansi kuka-%6 in. (7.9 mm), imali ebanjwayo kusukela kubude obuncane obuyisisekelo ngamayintshi angu-2 (50.08 mm) ku-Vzi ngayinye - ngo. (7.9 mm), ngamaphesenti amaphuzu | 1.5A | 1.25A | 1.0A... |
| Amanani Okwelulwa Okuncane Abaliwe | ||||
| Ukujiya Kwezindonga Ngegama | Ubude ku-2 in. (50.8 mm), min, % | |||
| phakathi. | mm. | Ibanga loku-1 | Ibanga lesi-2 | Ibanga lesi-3 |
| 5/16 (0.312) | 7.9 | 30.00 | 25.00 | 20.00 |
| 9/32 (0.281) | 7.1 | 28.50 | 23.75 | 19.00 |
| 1/4 (0.25) | 6.4 | 27.00 | 22.50 | 18.00 |
| 7/32 (0.219) | 5.6 | 25.50 | 21.25 | 17.00 |
| 3/16 (0.188) | 4.8 | 24.00 | 20.00 | 26.00 |
| 11/6 (0.172) | 4.4 | 23.25 | 19.50 | 15.50 |
| 5/32 (0.156) | 4.0 | 22.50 | 18.75 | 15.00 |
| 9/64 (0.141) | 3.6 | 21.75 | 18.25 | 14.50 |
| 1/8 (0.125) | 3.2 | 21.00 | 17.50 | 14.00 |
| 7/64 (0.109) | 2.8 | 20.25 | 16.75 | 13.50 |
| Ithebula elingenhla linikeza amanani amancane abaliwe obude obude obuhlukahlukene bodonga.Lapho ukujiya kodonga olushiwo kumaphakathi kulawo aboniswe ngenhla, ubuncane bevelu yobude buzonqunywa ngale ndlela elandelayo: | ||||
| Ibanga | ||||
| 1. E=48t+15.00 | ||||
| 2. E=40t+12.50 | ||||
| 3. E=32t+10.00 | ||||
| kuphi: | ||||
| E = ubude ku-2 ku., %, kanye | ||||
| T = ukuqina kodonga olucacisiwe, ku. | ||||
| Ngaphandle Ububanzi | Ububanzi bangaphandle bezinqwaba zamapayipi akufanele buhluke ngaphezu kuka-±1% ukusuka kububanzi obushiwo bangaphandle. | ||
| Ukujiya kodonga | Ukuqina kodonga kunoma iyiphi indawo akumele kube ngaphezu kuka-12.5% ngaphansi kogqinsi olucacisiwe lodonga. | ||
| Ubude | Izinqwaba zamapayipi zizonikezwa ngobude obungahleliwe obubodwa, ubude obuphindwe kabili obungahleliwe, noma ubude obufanayo njengoba kucacisiwe ku-oda lokuthenga, ngokuvumelana nemikhawulo elandelayo: | Ubude obubodwa obungahleliwe | 16 kuya ku-25ft (4.88 kuya ku-7.62mm), intshi |
| Ubude obuphindwe kabili obungahleliwe | Ngaphezulu kuka-25ft (7.62m) nobuncane besilinganiso esingu-35ft (10.67m) | ||
| Ubude obufanayo | Ubude njengoba bucaciswe ngokuhluka okuvumelekile okungu-±1 in. | ||
| Isisindo | Ubude benqwaba yamapayipi ngayinye buzokalwa ngokuhlukana futhi isisindo sawo angeke sihluke ngaphezu kuka-15% ngaphezulu noma u-5% ngaphansi kwesisindo salo esicatshangelwayo, kubalwe kusetshenziswa ubude balo nesisindo salo ngobude beyunithi ngayinye. | ||
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