| ZOFUNIKA KWA PAPASI WA ZISULU WA SSAW | |
| 1.Kukula | 1) OD: 219mm-3500mm |
| 2) Khoma makulidwe: 5mm-30mm | |
| 3) SCH20, SCH40,STD, etc | |
| 2. Standard: | ASTM A53,API 5L,EN10219,EN10210,ASTM A252 etc. |
| 3.Zinthu | Q235, Q345,ASTM A53 Gr.B,API5L Gr.B X42 X52 X60 X70 X80,S235JRH, S355J0H etc. |
| 4. Kugwiritsa Ntchito: | 1) Kutsika kwamadzimadzi, madzi, gasi, mafuta, chitoliro cha mzere |
| 2) Chitoliro cha chitoliro, chitoliro chomanga chitoliro | |
| 3) Mpanda, chitseko chitoliro | |
| 5.Kupaka | 1) Zovuta 2) Chopaka Chakuda (chophimba cha varnish) 3) Magalasi 4) Mafuta 5)PE, 3PE, FBE, zokutira zosagwira dzimbiri, zokutira za Anti dzimbiri |
| 6.Njira | Spiral welded steel pipe |
| 7.Welded Line Type | SSAW |
| 8.Kuyendera: | Ndi Mayeso a Hydraulic, RT, UT kapena kuyang'aniridwa ndi gulu lachitatu |
| 9.Kutumiza | Container, Bulk Vessel. |
| 10. Za Ubwino Wathu | 1) Palibe kuwonongeka, palibe kupindika 2) Palibe ma burrs kapena m'mbali zakuthwa komanso zotsalira 3) Zaulere zopaka mafuta & kuziyika 4) Katundu onse akhoza kufufuzidwa ndi kuyendera gulu lachitatu asanatumizidwe |
● Chitoliro chopanda kanthu kapena zokutira zakuda / Varnish (zosinthidwa);
● Momasuka;
● Zonse zimathera ndi otetezera mapeto;
● Mapeto omveka , mapeto a bevel;
● Kulemba chizindikiro.
| Zofunikira za Tensile | |||
| Gulu 1 | Gulu 2 | Gulu 3 | |
| Mphamvu zolimba, min, psi (MPa) | 50 000 (345) | 60 000 (415) | 66 000 (455) |
| Zokolola kapena mphamvu zokolola, min, psi(MPa) | 30 000 (205) | 35 000 (240) | 45 000 (310) |
| Kutalikirako kocheperako kwa makulidwe a khoma mwadzina%6 mu. (7.9 mm) kapena kupitilira apo: | |||
| Elongation mu 8 in. (203.2 mm), min, % | 18 | 14 | ... |
| Elongation mu 2 in. (50.8 mm), min, % | 30 | 25 | 20 |
| Pakuti makulidwe mwadzina khoma zosakwana % 6 mu (7.9 mm), kuchotsera ku mfundo osachepera elongation mu 2 mu (50,08 mm) aliyense Vzi - mu. (0,8 mm) kuchepa mwadzina khoma makulidwe m'munsimu %6 mu. (7.9 mm), mu maperesenti | 1.5A | 1.25A | 1.0A... |
| Makhalidwe Owerengeka Ocheperako | ||||
| Mwadzina Khoma Makulidwe | Elongation mu 2 in. (50.8 mm), min, % | |||
| mu. | mm. | Gulu 1 | Gulu 2 | Gulu 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 |
| Gome lomwe lili pamwambali limapereka machulukidwe ochepera owerengeka amitundu yosiyanasiyana yamakhoma.Kumene makulidwe a khoma lotchulidwa ndi apakati ndi omwe asonyezedwa pamwambapa, mtengo wocheperako wotalikirapo udzatsimikiziridwa motere: | ||||
| Gulu | ||||
| 1. E=48t+15.00 | ||||
| 2. E=40t+12.50 | ||||
| 3. E=32t+10.00 | ||||
| kumene: | ||||
| E = elongation mu 2 mu., %, ndi | ||||
| T = makulidwe odziwika a khoma, mkati. | ||||
| Kunja Diameter | Kutalika kwa kunja kwa milu ya chitoliro sikuyenera kusiyana kuposa ± 1% kuchokera m'mimba mwake yomwe yatchulidwa. | ||
| Khoma makulidwe | Makulidwe a khoma nthawi iliyonse siyenera kupitirira 12.5% pansi pa makulidwe odziwika a khoma. | ||
| Utali | Milu ya mapaipi iyenera kuperekedwa motalika mwachisawawa, kutalika kwachisawawa kawiri, kapena muutali wofanana monga momwe zafotokozedwera mu dongosolo logulira, molingana ndi malire awa: | Kutalika kwachisawawa kamodzi | 16 mpaka 25ft (4.88 mpaka 7.62mm), inchi |
| Utali wowirikiza kawiri | Kupitilira 25ft (7.62m) yokhala ndi pafupifupi 35ft (10.67m) | ||
| Utali wofanana | Utali wotchulidwa ndi kusintha kovomerezeka kwa ± 1 mkati. | ||
| Kulemera | Utali uliwonse wa mulu wa chitoliro uyenera kuyezedwa padera ndipo kulemera kwake sikuyenera kusiyana kuposa 15% kuposa kapena 5% pansi pa kulemera kwake, kuwerengeredwa pogwiritsa ntchito kutalika kwake ndi kulemera kwake pa kutalika kwake. | ||
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