Isu ikozvino tine hunyanzvi, timu yekuita kuti ipe yakanaka mhando masevhisi kune yedu mutengi.Isu tinowanzo kutevedzera tsika yevatengi-inotungamirwa, ruzivo-yakatarisana neMutengo Wakakosha weSSAW/Sawl API 5L Spiral Welded Carbon Steel Pipe Natural Gasi uye Oiri Pipeline, Uye zvakare, isu taizotungamira zvakanaka vatengi nezvemaitiro ekushandisa kutora mhinduro dzedu. uye nzira yekusarudza zvinhu zvakakodzera.
Isu ikozvino tine hunyanzvi, timu yekuita kuti ipe yakanaka mhando masevhisi kune yedu mutengi.Isu tinowanzo kutevedzera dzidziso yevatengi-inotungamirwa, ine ruzivo-yakanangana neChina LSAW/SSAW Simbi Pipe uye Welded Pipe, Basa redu nderekuunza zvinogara zvichikosha kukosha kune vatengi vedu uye vatengi vavo.Kuzvipira uku kunopinda mune zvese zvatinoita, zvichititungamira kuti tirambe tichigadzira nekuvandudza zvigadziriso zvedu uye maitiro ekuzadzisa zvaunoda.
Pipe yakarongedzerwa pasi peiyi rondedzero inoshandiswa kune yakakwira-kudzvanywa sevhisi pamhepo uye yakadzika tembiricha.Inonyanya kushandiswa kwemafuta uye gasi rechisikigo kutapurirana.
ASTM A671 LSAW(JCOE) Carbon Steel Pipe ichave yakasungwa kaviri, yakazara-inopinda welds inogadzirwa zvinoenderana nematanho uye nemawelder kana welding vanoshanda vanokodzera zvinoenderana neASME Boiler uye kumanikidza Vessel Code, Chikamu IX.
Makirasi ese kunze kwe10, 11, 12 uye 13 achange achipiswa muchoto anodzorwa kusvika ± 15 ℃ uye akashongedzerwa nerekodha hydrometer kuitira kuti marekodhi ekudziya avepo.
Kugadzira: LSAW(JCOE) Mapombi esimbi
Size : OD: 406 ~ 1500mm WT: 6 ~ 40mm
Giredhi: CB60, CB65, CC60, CC65, zvichingodaro.
Kureba: 12M kana kureba yakatarwa sezvinodiwa.
Inopera: Plain End, Beveled End,Grooved;
| Kemikari ZvinodiwayeASTM A672 B60/B70/C60/C65/C70LSAWCarbon Steel Pipe | |||||||||||||
| Pipe | Giredhi | Kuumbwa,% | |||||||||||
| C max | Mn | P max | S max | Si | Vamwe | ||||||||
| <=1in (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 | 0.98max | 0.035 | 0.035 | 0.13–0.45 | … | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98max | 0.035 | 0.035 | 0.13–0.45 | … | |||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30max | 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 | |||||
| Giredhi | |||||
|
| CB65 | CB70 | CC60 | CC65 | CC70 |
| Kusimba simba, min: | |||||
| ksi | 65 | 70 | 60 | 65 | 70 |
| Mpa | 450 | 485 | 415 | 450 | 485 |
| Goho simba, min: | |||||
| ksi | 35 | 38 | 32 | 35 | 38 |
| MPa | 240 | 260 | 220 | 240 | 260 |
1. Kunze Diameter-Kubva pachiyero che circumferential ± 0.5% yedhayamita yekunze yakataurwa.
2. Kunze-kwe-Roundness-Musiyano pakati pemadhayamita makuru uye maduku kunze.
3. Kurongeka-Kushandisa 10 ft (3m) kutwasanuka kwakaiswa kuitira kuti migumo yose inosangana nepombi, 1/8 mukati. (3mm).
4. Hukobvu-Ukobvu hwemadziro hushoma pane ipi neipi mupombi haifaniri kudarika 0.01 mukati (0.3mm) pasi pehukobvu hunotsanangurwa.
5. Hurefu hune magumo asina kugadzirwa huchava mukati -0+1/2 mukati. (-0+13mm) pane zvakatsanangurwa.Hurefu hune magumo emuchina huchave sekubvumirana pakati pemugadziri nemutengi.
Tension Test-Transverse tensile zvivakwa zvejoint yakasungwa zvinosangana nezvinodiwa zvishoma zvekusimba kwekusimba kweiyo yakatsanangurwa ndiro zvinhu.
Transverse-guided-weld-bent tests —Muedzo wekubhenda uchagamuchirwa kana pasina makatsemuka kana zvimwe zvirema zvinodarika 1/8 in.
Radio-graphic Examination-Kureba kwakazara kweyega yega weld yekirasi X1 uye X2 ichaongororwa radiographic zvichiteerana nekuzadzisa zvinodiwa zveASME Boiler uye Pressure Vessel Code, Chikamu chechinomwe, ndima UW-51.
Zita kana chiratidzo chemugadziri
Nhamba yetsanangudzo (gore-zuva kana zvinodiwa)
Saizi (OD, WT, kureba)
Giredhi (A kana B)
Rudzi rwepombi (F, E, kana S)
Test pressure (seamless simbi pombi chete)
Heat Number
Chero ruzivo rwekuwedzera rwakatsanangurwa muhurongwa hwekutenga.
Huwandu (tsoka, mamita, kana nhamba yehurefu)
Zita rezvinhu (simbi pombi, yemagetsi fusion welded)
Specification number
Giredhi uye kirasi mazita
Saizi (kunze kana mukati dhayamita, yakajairika kana shoma madziro ukobvu)
Urefu (chaicho kana kuti zvisina tsarukano)
End finish
Kutenga zvingasarudzwa
Zvimwe zvinodiwa, kana zviripo.
Bare pombi kana Dema / Varnish coating/Epoxy coating/3PE coating (maererano nezvinodiwa nemutengi);
In loose;
Zvose zvinopera nevadziviriri vekupedzisira;
Magumo akajeka, bevel end (2 ″ uye pamusoro ane bevel magumo, dhigirii: 30 ~ 35 °), yakagadzirirwa;
Kumaka.
Isu ikozvino tine hunyanzvi, timu yekuita kuti ipe yakanaka mhando masevhisi kune yedu mutengi.Isu tinowanzo kutevedzera tsika yevatengi-inotungamirwa, ruzivo-yakatarisana neMutengo Wakakosha weSSAW/Sawl API 5L Spiral Welded Carbon Steel Pipe Natural Gasi uye Oiri Pipeline, Uye zvakare, isu taizotungamira zvakanaka vatengi nezvemaitiro ekushandisa kutora mhinduro dzedu. uye nzira yekusarudza zvinhu zvakakodzera.
Mutengo Wakakosha weChina LSAW/SSAW Simbi Pipe uye Welded Pipe, Basa redu nderekuunza zvinogara zvichikosha kukosha kune vatengi vedu uye vatengi vavo.Kuzvipira uku kunopinda mune zvese zvatinoita, zvichititungamira kuti tirambe tichigadzira nekuvandudza zvigadziriso zvedu uye maitiro ekuzadzisa zvaunoda.
