Chitoliro Chopangidwa ndi S355 J0 Spiral Seam Welded
Tikukondwera kukudziwitsani za malonda athu aposachedwa,Chitoliro cha S355 J0 Spiral Steel, yomwe ndi chitoliro cholumikizidwa ndi msoko wozungulira chopangidwa ndi chitsulo chapamwamba kwambiri ngati zinthu zopangira. Mapaipi athu olumikizidwa ndi msoko wozungulira amapangidwa pogwiritsa ntchito njira yapamwamba yolumikizira arc yokhala ndi waya ziwiri yokha.
Katundu wa Makina
| kalasi yachitsulo | mphamvu yocheperako yopezera phindu | Kulimba kwamakokedwe | Kutalikirana kochepa | Mphamvu yochepa kwambiri | ||||
| Mpa | % | J | ||||||
| Kunenepa kotchulidwa | Kunenepa kotchulidwa | Kunenepa kotchulidwa | kutentha koyesedwa kwa | |||||
| mm | mm | mm | ||||||
| 16 | >16≤40 | <3 | ≥3≤40 | ≤40 | -20℃ | 0℃ | 20℃ | |
| S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
| S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
| S275J2H | 27 | - | - | |||||
| S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
| S355J2H | 27 | - | - | |||||
| S355K2H | 40 | - | - | |||||
Chubu cha S355 J0 Spiral Steel chapangidwa mwaluso komanso mwaluso kwambiri kuonetsetsa kuti chimagwira ntchito bwino komanso modalirika. Ndi mbale yachitsulo yolimba kwambiri, yomwe imagwiritsidwa ntchito kwambiri popanga makina, makina olemera, makina omanga, makina omanga migodi, makina omanga malasha, nyumba zomangira milatho, ma cranes, majenereta, zida zamagetsi amphepo, ma bearing ndi mafakitale ena. Zipolopolo, zigawo zopanikizika, ma turbine a nthunzi, zigawo zomangika, zigawo zamakina.
Chimodzi mwazinthu zazikulu za S355 J0 Spiral Steel Tube ndi kusinthasintha kwake. Mapaipi achitsulo ozungulira amagwiritsidwa ntchito kwambiri ndipo amatha kukwaniritsa zosowa zosiyanasiyana zamafakitale osiyanasiyana. Kaya ndi makina olemera kapena mapulojekiti a zomangamanga, chitolirochi chimapereka magwiridwe antchito abwino komanso mphamvu, zomwe zimapangitsa kuti chikhale choyenera kugwiritsidwa ntchito molimbika.
Kapangidwe ka Mankhwala
| Kalasi yachitsulo | Mtundu wa de-oxidation a | % ndi kulemera, kuchuluka kwakukulu | ||||||
| Dzina lachitsulo | Nambala yachitsulo | C | C | Si | Mn | P | S | Nb |
| S235JRH | 1.0039 | FF | 0,17 | — | 1,40 | 0,040 | 0,040 | 0.009 |
| S275J0H | 1.0149 | FF | 0,20 | — | 1,50 | 0,035 | 0,035 | 0,009 |
| S275J2H | 1.0138 | FF | 0,20 | — | 1,50 | 0,030 | 0,030 | — |
| S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
| S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | — |
| a. Njira yochotsera poizoni m'thupi imatchulidwa motere: | ||||||||
| FF: Chitsulo chophwanyika bwino chokhala ndi zinthu zomangira nayitrogeni mu kuchuluka kokwanira kumangirira nayitrogeni yomwe ilipo (monga osachepera 0,020% ya Al yonse kapena 0,015% ya Al yosungunuka). | ||||||||
| b. Mtengo wapamwamba kwambiri wa nayitrogeni sugwira ntchito ngati mankhwala akuwonetsa kuchuluka kwa Al komwe kuli 0,020% ndi chiŵerengero chochepa cha Al/N cha 2:1, kapena ngati pali zinthu zina zokwanira zomangira N. Zinthu zomangira N ziyenera kulembedwa mu Chikalata Chowunikira. | ||||||||
Ku Cangzhou Spiral Steel Pipe Group Co., Ltd., timadzitamandira ndi luso lathu lapamwamba kwambiri lopanga zinthu. Ndi mizere 13 yopanga mapaipi achitsulo chozungulira, ndi mizere 4 yopanga yolimbana ndi dzimbiri komanso yoteteza kutentha, takhala ogulitsa otsogola mumakampaniwa. Ukadaulo wathu wapamwamba wopanga zinthu umatithandiza kupanga mapaipi achitsulo ozungulira okhala ndi mainchesi a Φ219-Φ3500mm ndi makulidwe a khoma la 6-25.4mm.
Tadzipereka kupereka zinthu zabwino kwambiri zomwe zikugwirizana ndi miyezo yapamwamba kwambiri yamakampani. Gulu lathu la akatswiri aluso limaonetsetsa kuti chitoliro chilichonse chimayang'aniridwa bwino kuti chikhale cholimba, cholimba komanso chogwira ntchito bwino. Kuphatikiza apo, timaika patsogolo kukhutitsidwa kwa makasitomala ndikupereka chithandizo chabwino kwambiri pambuyo pogulitsa kwa makasitomala athu ofunika.
Ndi chitoliro chathu chachitsulo cha S355 J0 Spiral Steel, mutha kudalira khalidwe lapamwamba komanso kudalirika komwe kampani yathu imayimira. Kaya muli mumakampani opanga makina olemera kapena omanga, mapaipi athu achitsulo ozungulira adzapitirira zomwe mukuyembekezera ndikupereka zotsatira zabwino kwambiri.
Sankhani Cangzhou Spiral Steel Pipe Group Co., Ltd. kuti mupeze zosowa zanu zonse za chitoliro chachitsulo chozungulira. Gwirizanani nafe lero kuti muone ubwino ndi kudalirika kwa zinthu zathu.
Mayeso a Hydrostatic
Kutalika kulikonse kwa chitoliro kuyenera kuyesedwa ndi wopanga ku mphamvu ya hydrostatic yomwe ingapangitse kuti pakhoma la chitoliro pakhale mphamvu yosachepera 60% ya mphamvu yocheperako yopezeka pa kutentha kwa chipinda. Kupanikizika kuyenera kutsimikiziridwa ndi equation yotsatirayi:
P=2St/D
Kusintha Kovomerezeka kwa Kulemera ndi Miyeso
Kutalika kulikonse kwa chitoliro kuyenera kuyezedwa padera ndipo kulemera kwake sikuyenera kupitirira 10% kapena 5.5% pansi pa kulemera kwake kongopeka, kuwerengedwa pogwiritsa ntchito kutalika kwake ndi kulemera kwake pa unit level.
M'mimba mwake wakunja suyenera kusiyana kuposa ± 1% kuchokera m'mimba mwake wakunja wotchulidwa
Kukhuthala kwa khoma nthawi iliyonse sikuyenera kupitirira 12.5% pansi pa makulidwe a khoma omwe atchulidwa








