Tsopano tili ndi gulu laluso, logwira ntchito kuti lipereke ntchito zabwino kwa ogula athu.Nthawi zambiri timatsatira mfundo za kasitomala, zomwe zimayang'ana kwambiri pa Mtengo Wapadera wa SSAW/Sawl API 5L Spiral Welded Carbon Steel Pipe Natural Gasi ndi Mafuta Paipi, Kuphatikiza apo, titha kuwongolera makasitomala moyenera za njira zogwiritsira ntchito kuti atengere mayankho athu. ndi njira yosankha zipangizo zoyenera.
Tsopano tili ndi gulu laluso, logwira ntchito kuti lipereke ntchito zabwino kwa ogula athu.Nthawi zambiri timatsatira mfundo za kasitomala, zolunjika kwambiriChina LSAW/SSAW Chitoliro Chachitsulo ndi Chitoliro Chowotcherera, Cholinga chathu ndikupereka mtengo wapamwamba kwambiri kwa makasitomala athu ndi makasitomala awo.Kudzipereka uku kumadutsa muzonse zomwe timachita, zomwe zimatipangitsa kupitiliza kukonza ndi kukonza mayankho athu ndi njira kuti tikwaniritse zosowa zanu.
Chitoliro cholamulidwa pansi pa ndondomekoyi chimagwiritsidwa ntchito pa ntchito yothamanga kwambiri pamlengalenga ndi kutentha kwapansi.Amagwiritsidwa ntchito kwambiri pofalitsa mafuta ndi gasi.
ASTM A671 LSAW(JCOE) Chitoliro cha Chitsulo cha Carbon chidzakhala chowotcherera pawiri, cholowera monse chopangidwa motsatira ndondomeko komanso ndi owotcherera kapena owotcherera omwe ali oyenerera malinga ndi ASME Boiler ndi pressure Vessel Code, Gawo IX.
Makalasi onse kupatula 10, 11, 12 ndi 13 azitenthedwa mu ng'anjo yoyendetsedwa mpaka ± 15 ℃ ndikukhala ndi chojambulira chojambulira kuti zolemba zotentha zizipezeka.
Kupanga: LSAW(JCOE) mapaipi achitsulo
Kukula: OD: 406 ~ 1500mm WT: 6 ~ 40mm
Gulu: CB60, CB65, CC60, CC65, etc.
Utali: 12M kapena kutalika kwake komwe kumafunikira.
Mapeto: Plain End, Beveled End, Grooved;
| Zofunika Zamankhwalakwa ASTM A672 B60/B70/C60/C65/C70Mtengo wa LSAWChitoliro cha Carbon Steel | |||||||||||||
| Chitoliro | Gulu | Kupanga,% | |||||||||||
| C max | Mn | P max | S max | Si | Ena | ||||||||
| <=1 mu (25mm) | > 1 ~ 2in (25-50mm) | >2~4in(50-100mm) | > 4 ~ 8in (100 ~ 200mm) | > 8in (200mm) | <=1/2in (12.5mm) | > 1/2in (12.5mm) | |||||||
| CB | 60 | 0.24 | 0.21 | 0.29 | 0.31 | 0.31 | 0.98 kukula | 0.035 | 0.035 | 0.13–0.45 | … | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98 kukula | 0.035 | 0.035 | 0.13–0.45 | … | |||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30 max | 0.035 | 0.035 | 0.13–0.45 | … | |||
| CC | 60 | 0.21 | 0.23 | 0.25 | 0.27 | 0.27 | 0.55–0.98 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | … | |
| 65 | 0.24 | 0.26 | 0.28 | 0.29 | 0.29 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | … | ||
| 70 | 0.27 | 0.28 | 0.30 | 0.31 | 0.31 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | … | ||
| Mechanical Properties | |||||
| Gulu | |||||
|
| CB65 | CB70 | CC60 | CC65 | CC70 |
| Mphamvu yolimba, min: | |||||
| ksi | 65 | 70 | 60 | 65 | 70 |
| Mpa | 450 | 485 | 415 | 450 | 485 |
| Mphamvu zokolola, min: | |||||
| ksi | 35 | 38 | 32 | 35 | 38 |
| MPa | 240 | 260 | 220 | 240 | 260 |
1. Diameter ya Kunja-Kutengera muyeso wozungulira ± 0.5% wa m'mimba mwake womwe watchulidwa.
2. Out-of-Roundness-Kusiyana pakati pa zazikulu ndi zazing'ono zakunja diameters.
3. Kuyanjanitsa-Kugwiritsa 10 ft (3m) kuwongola anaika kuti malekezero onse kukhudzana ndi chitoliro, 1/8 mu. (3mm).
4. Makulidwe - Makulidwe ochepa a khoma nthawi iliyonse mu chitoliro sichiyenera kupitirira 0.01 in. (0.3mm) pansi pa makulidwe otchulidwa mwadzina.
5. Utali wokhala ndi malekezero opanda makina uzikhala mkati mwa -0+1/2 mkati. (-0+13mm) kuchokera pamenepo.Kutalika kokhala ndi malekezero opangidwa ndi makina kudzakhala monga momwe adagwirizana pakati pa wopanga ndi wogula.
Kuyesa Kwamphamvu-Zomwe zimasunthika zolumikizirana zowotcherera zimakwaniritsa zofunikira kuti pakhale mphamvu yolimba yazinthu zomwe zatchulidwa.
Mayeso opindika-wowongolera-wokhotakhota -Mayeso opindika adzakhala ovomerezeka ngati palibe ming'alu kapena zolakwika zina zopitirira 1/8 mkati (3mm) kumbali iliyonse zilipo muzitsulo zowotcherera kapena pakati pa zitsulo zowotcherera ndi zitsulo zoyambira pambuyo popindika.
Mayeso a Radio-graphic-Utali wonse wa weld iliyonse ya kalasi X1 ndi X2 udzawunikidwa mozama motsatira ndikukwaniritsa zofunikira za ASME Boiler and Pressure Vessel Code, Gawo lachisanu ndi chiwiri, ndime UW-51.
Dzina kapena chizindikiro cha wopanga
Nambala yachidziwitso (chaka cha chaka kapena chofunikira)
Kukula (OD, WT, kutalika)
Gulu (A kapena B)
Mtundu wa chitoliro (F, E, kapena S)
Kuthamanga kwa mayeso (chitoliro chopanda chitsulo chokha)
Nambala Yotentha
Zowonjezera zilizonse zomwe zafotokozedwa muzogula.
Kuchuluka (mapazi, mamita, kapena kuchuluka kwa utali)
Dzina la zinthu (chitsulo chitoliro, magetsi maphatikizidwe welded)
Nambala yodziwika
Makalasi ndi kalasi
Kukula (kunja kapena mkati mwake, wamba kapena makulidwe ochepa a khoma)
Utali (mwachindunji kapena mwachisawawa)
Kumaliza kumaliza
Zosankha zogula
Zofunikira zowonjezera, ngati zilipo.
Chitoliro chopanda kanthu kapena zokutira zakuda / za Varnish / zokutira za Epoxy / 3PE zokutira (malinga ndi zomwe kasitomala amafuna);
Mu kutayirira;
Zonsezi zimathera ndi otetezera mapeto;
Mapeto osavuta, malekezero a bevel (2 ″ ndi pamwamba ndi ma bevel malekezero, digiri: 30 ~ 35 °), makonda;
Kuyika chizindikiro.
Tsopano tili ndi gulu laluso, logwira ntchito kuti lipereke ntchito zabwino kwa ogula athu.Nthawi zambiri timatsatira mfundo za kasitomala, zomwe zimayang'ana kwambiri pa Mtengo Wapadera wa SSAW/Sawl API 5L Spiral Welded Carbon Steel Pipe Natural Gasi ndi Mafuta Paipi, Kuphatikiza apo, titha kuwongolera makasitomala moyenera za njira zogwiritsira ntchito kuti atengere mayankho athu. ndi njira yosankha zipangizo zoyenera.
Mtengo Wapadera waChina LSAW/SSAW Chitoliro Chachitsulo ndi Chitoliro Chowotcherera, Cholinga chathu ndikupereka mtengo wapamwamba kwambiri kwa makasitomala athu ndi makasitomala awo.Kudzipereka uku kumadutsa muzonse zomwe timachita, zomwe zimatipangitsa kupitiliza kukonza ndi kukonza mayankho athu ndi njira kuti tikwaniritse zosowa zanu.
