Njira yopangira Pipe ya Longitudinal Submerged-arc Welded(LSAW) ili motere:
Akupanga mbale kufufuza → m'mphepete mphero → chisanadze kupinda → kupanga → Pre-kuwotcherera → kuwotcherera mkati → kuwotcherera kunja → Akupanga kuyendera → X-ray anayendera → Kukulitsa → hydraulic mayeso →l.Chamfering → Akupanga kuyendera → X-ray anayendera → maginito tinthu anayendera pa chubu mapeto
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.
ASTM A252 GR.3 Structural LSAW(JCOE) Chitoliro Chachitsulo cha Carbon
BS EN10210 S275J0H LSAW(JCOE) Chitoliro chachitsulo
Chitoliro chachitsulo cha ASTM A671/A671M LSAW
ASTM A672 B60/B70/C60/C65/C70 LSAW LSAW Chitoliro Chachitsulo cha Carbon
API 5L X65 PSL1/PSL 2 LSAW Carbon Steel Pipe / API 5L Giredi X70 LSAW Chitoliro Chachitsulo
EN10219 S355J0H Structural LSAW(JCOE) Chitoliro Chachitsulo