Morero oa rona ke ho khotsofatsa bareki ba rona ka ho fana ka k'hamphani ea khauta, theko e ntle le boleng bo holimo bakeng sa Moralo o Mocha oa Feshene bakeng sa Pipe ea API 5L P1 Spiral Welded Pipe ea LSAW Steel Pipe e se nang Seamless Steel e nang le Phano e Ncha ea Lihlahisoa ho Tšepe X42 Nace Mr0175 ASTM36.19 ASTM252 Pipe Line Carbon Steel, Re ntse re labalabela ka tieo ho sebelisana le bareki lefatšeng ka bophara. Re lumela hore re ka u khotsofatsa. Re boetse re amohela ka mofuthu bareki ba tla ea k'hamphaning ea rona le ho reka thepa ea rona.
Morero oa rona ke ho khotsofatsa bareki ba rona ka ho fana ka k'hamphani ea khauta, theko e ntle le boleng bo holimo bakeng saPipe e se nang mohele ea China Q345 le Pipe e se nang mohele ea Q235, Khamphani ea rona e latela moea oa "litšenyehelo tse tlase, boleng bo holimo, le ho etsetsa bareki ba rona melemo e mengata". Ka ho sebelisa litalenta tse tsoang moleng o le mong le ho latela molao-motheo oa "botšepehi, tumelo e ntle, ntho ea 'nete le botšepehi", k'hamphani ea rona e tšepa ho fumana nts'etsopele e tšoanang le bareki ba tsoang lapeng le linaheng tse ling!
API 5L X65 PSL1/PSL2Pipe ea Tšepe ea LSAW Carbonhangata e sebelisoa mererong eaphaephe ea oli le khase, ka hara diphaephe tsa metsing a ka tlasa lewatle, diphaephe tse fetang dibakeng tse phahameng le dibakeng tse teteaneng tsa ditoropo.
Pipe ea Tšepe ea Khabone ea API 5L X65 PSL1/PSL2 LSAW e etsoa ka ho etsa lipoleiti tsa tšepe tsa X65 hore e be sebopeho se chitja ebe e tjheseletsa moroko ka mokhoa oa ho tjheseletsa oa arc ka boiketsetso. Tlhahisong ea Pipe ea Tšepe ea Khabone ea API 5L X65 PSL1&PSL2 LSAW, lipoleiti tsa sehlopha sa X65 li etsoa ke mochini oa ho bōpela hore e be sebopeho se chitja ebe li tjheseletsa ka ho tjheseletsa oa arc o ka tlas'a mahlakore a mabeli.
Tlhahiso: Ho Welding ea Arc e Kenngoeng ka Nako e Telele
Boholo: OD: 406 ～1422mm Boima: 8 ～60mm
Bolelele: 3-12M kapa bolelele bo boletsoeng ha ho hlokahala.
Lipheletso: Qetello e se nang letho, Qetello e betliloeng, e nang le mela e kobehileng
Sebopeho sa K'hemik'hale le sa Sehlopha (％)Bakeng sa API 5LX65PSL1 / API 5L X70 PSL1
| E tloaelehileng |
Sehlopha | Sebopeho sa lik'hemik'hale(%) | |||
| C | Mn | P | S | ||
| API 5L | X65 | ≤0.26 | ≤1.45 | ≤0.030 | ≤0.030 |
| API 5L | X70 | ≤0.26 | ≤1.65 | ≤0.030 | ≤0.030 |
Sebopeho sa K'hemik'hale le sa Sehlopha (％)Bakeng sa API 5LX65PSL2 / API 5L X70 PSL2
| E tloaelehileng |
Sehlopha | Sebopeho sa lik'hemik'hale(%) | |||
| C | Mn | P | S | ||
| API 5L | X65 | ≤0.22 | ≤1.45 | ≤0.025 | ≤0.015 |
| API 5L | X70 | ≤0.22 | ≤1.65 | ≤0.025 | ≤0.015 |
Thepa ea Mekaniki ea API 5L GR.B X65 (PSL1) / API 5L X70 (PSL1)：
| Sehlopha | Matla a Tekanyo(MPa) | Matla a tšepe(MPa) | Ho lelefatsa A% | ||
|
| psi | MPa | psi | MPa | Ho Lelefatsa (Bonyane) |
| X65 | 65,000 | 448 | 77,000 | 531 | 18 |
| X70 | 70,000 | 483 | 82,000 | 565 | 18 |
Thepa ea Mekaniki eaAPI 5LX65 PSL1/PSL 2(PSL2) / API 5L Kereiti X70 (PSL 2)：
| Sehlopha | Matla a Tekanyo(MPa) | Matla a tšepe(MPa) | Ho lelefatsa A% | Tšusumetso (J) | ||
|
| psi | MPa | psi | MPa | Ho Lelefatsa (Bonyane) | Bonyane |
| X65 | 65,000 | 448 | 87,000 | 600 | 18 | 40 |
| X70 | 70,000 | 483 | 90,000 | 621 | 18 | 40 |
| Boholo | Mamello (ka tlhomphot to boletsoeng ka ntlebophara) |
| <2 3/8 | + 0.016 in., – 0.031 in. (+ 0.41 mm, – 0.79 mm) |
| > 2 3/8 le ≤4 1/2, e tjheselleditsweng ka ho tswela pele | ± 1.00% |
| > 2 3/8 le < 20 | ± 0.75% |
| > 20. e se nang sekoli | ± 1.00% |
| >20 le <36, e tjheselleditswe | + 0.75%.-0.25% |
| > 36, e tjheselleditswe | + 1/4 in.. – 1/8 in. (+ 6.35 mm, -3.20 mm) |
Tabeng ea liphaephe tse lekiloeng ka metsi ho latela likhatello tse fetang likhatello tse tloaelehileng tsa liteko, ho ka lumellanoa ka mamello e meng pakeng tsa moetsi le moreki.
| Boholo | Ho Fokotsa Mamello | Mamello e Eketsehileng | Mamello ea ho Fela ho isa Bofelong | Ho se lekane | |
| Bophara, Mamello ea Axis (Persente ea OD e Boletsoeng) | Phapang e Phahameng Pakeng tsa Bophara bo Bonyenyane le bo Boholo (E sebetsa feela ho Pipe e nang le D/t≤ 75) | ||||
| ≤10 3/4 l&V4 | 1/64(0.40mm) | 1/16(1.59mm) mm) | — | — | |
| >10 3/4 le ≤20 | 1/32 (0.79 mm) | 3/32 (2.38 mm) | — | — | — |
| > 20 le ≤ 42 | 1/32 (0.79 mm) | 3/32(2.38 mm) | b | ± 1% | <0.500 in. (12,7 mm) |
| >42 | 1/32 (0.79 mm) | 3/32 (2.38 mm) | b | ± 1% | £ Q625 in. (15.9 mm) |
Mamello e sa kgutleleng e sebetsa ho bophara bo boholo le bo bonyane jwalo ka ha e lekantswe ka gauge ya bare, caliper, kapa sesebediswa se lekanyang bophara bo boholo le bo bonyane ba nnete.
Bophara bo tloaelehileng (jwalo ka ha bo lekantswe ka theipi ya bophara) ba pheletso e nngwe ya phaephe ha bo a lokela ho fapana ka ho feta 3/32 in. (2.38 mm) ho tloha pheletsong e nngwe.
| Boholo | Tmofutaof Phaephe | Tmamello1(Pesente ea Botenya ba Lebota bo Boletsweng} | |
| Sehlopha sa B kapa se Tlase | Sehlopha sa X42 kapa se Phahameng | ||
| <2 7/8 | Kaofela | +20.- 12.5 | + 15.0.-12.5 |
| >2 7/8 le <20 | Kaofela | + 15,0,-12.5 | + 15-I2.5 |
| >20 | E tjheseditswe | + 17.5.-12.5 | + 19.5.-8.0 |
| >20 | Ha e na seamless | + 15.0.-12.5 | + 17.5.-10,0 |
Moo mamello e mpe e nyane ho feta e thathamisitsoeng e boletsweng ke moreki, mamello e ntle e tla eketsoa ho fihlela ho tekanyo e sebetsang ya mamello ka peresente ho tloswa mamello e mpe ya botenya ba lebota.
| Bongata | Tomamello (peresente) |
| Bolelele bo le bong, phaephe e khethehileng e se nang moeli kapa phaephe ea A25 Bolelele bo le bong, phaephe e 'ngoe ea Mejaro ea Likoloi. Sehlopha sa A25,40,000lb (18 144kg) kapa ho fetaMejaro ea Likoloi, ntle le Sehlopha sa A25,40.0001b (18 144 kg) kapa ho feta Mejaro ea likoloi, mefuta eohle e ka tlase ho 40000 lb (18 144 kg) Odara lintho. Sehlopha sa A25. 40.000 lb (18 144 kg) kapa ho feta Odara lintho, ntle le Sehlopha sa A25,40,000 lb (18 144 kg) kapa ho feta Odara lintho, limaraka tsohle, ka tlase ho 40.000 lb (18 144 kg) | + 10.-5.0 + 10,- 35 -2.5 -1.75 -15 -3.5 -1.75
-3.5 |
Lintlha:
1. Boima ba ho mamella boima bo sebetsa ho boima bo baliloeng bakeng sa phaephe e nang le khoele le e kopantsoeng le ho boima bo baliloeng kapa bo baliloeng bakeng sa phaephe e se nang letho. Moo mamello ea botenya ba lebota bo fosahetseng e nyane ho feta e thathamisitsoeng tafoleng e kaholimo e boletsoeng ke moreki, mamello ea boima bo eketsehileng bakeng sa bolelele bo le bong e tla eketsoa ho fihlela ho 22.5% ho feta mamello ea botenya ba wail.
2. Bakeng sa meroalo ea likoloi e entsoeng ka phaephe e tsoang linthong tse fetang e le 'ngoe tsa odara, mamello ea meroalo ea koloi e lokela ho sebelisoa ho latela ntho ea odara e le 'ngoe.
3. Mamello ea lintho tsa odara e sebetsa ho palo eohle ea phaephe e rometsoeng bakeng sa ntho ea odara.
Teko ea ho tsikinyeha ha 'mele oa phaephe—Teko ea ho tsikinyeha e lokela ho etsoa ho latela ISO6892 kapa ASTM A370. Lisampole tsa longitudinal li lokela ho sebelisoa. Habeli ka yuniti ea teko ea phaephe e nang le karolelano e tšoanang ea katoloso ea serame abd
Teko ea tšusumetso ea CVN—Teko ea Charpy e lokela ho etsoa ho latela ASTM A370. Habeli ka yuniti ea teko ea bolelele bo sa feteng 100 ba phaephe e nang le karolelano e tšoanang ea katoloso ea serame abd
Teko ea ho tiea—Ha libaka tse thata tse belaelloang li fumanoa ka tlhahlobo ea mahlo, liteko tsa ho tiea li tla etsoa ho latela ISO 6506, ISO 6507, ISO 6508 kapa ASTM A 370 ho sebelisoa lisebelisoa tsa teko ea ho tiea tse nkehang habobebe le mekhoa e lumellanang le ASTM A 956, ASTM A 1038 kapa ASTM E 110 ka ho latellana ho latela mokhoa o sebelisitsoeng.
Teko ea Hydrostatic—Thupe e 'ngoe le e 'ngoe e tla etsoa teko ea khatello ea hydrostatic
Teko ea ho kobeha— bolelele bo lekaneng ba phaephe bo tla ema bo kobehile bo bata ho fihlela ho 90° ho potoloha mandrel e silindara.
Teko ea X-ray ea 100% bakeng sa seam ea weld
Tlhahlobo ea ultrasound
Tlhahlobo ea hona joale ea eddy
Ho hlokahala palo e lekaneng ea liphoso tsa bokaholimo tse bonahalang ho fana ka tiisetso e loketseng linako tsa selemo. Sekoli se lokela ho tlosoa kapa ho khaoloa ka har'a meeli ea litlhoko tsa bolelele. Phaephe e felileng e lokela ho otloloha ka mokhoa o utloahalang.
1. Lebitso kapa letshwao la moetsi
2. Nomoro ea tlhaloso (selemo kapa letsatsi la ho hlokahala)
3. Boholo (OD, Boima, bolelele)
4. Kereiti (A kapa B)
5. Mofuta oa phaephe (F, E, kapa S)
6. Khatello ea teko (phaephe ea tšepe e se nang sekoli feela)
7. Palo ea Mocheso
8. Tlhahisoleseding efe kapa efe e eketsehileng e boletsweng odareng ya theko.
Phaephe e se nang letho kapa e Ntšo / Sekoahelo sa Varnish / Sekoahelo sa Epoxy / Sekoahelo sa 3PE (ho latela litlhoko tsa moreki);
6″ le ka tlase ka dihlopha tse nang le di-sling tse pedi tsa k'hothone;
Lipheletso ka bobeli li na le litšireletso tsa qetello;
Qetello e se nang letho, pheletso ea bevel (2″ le holimo e nang le lipheletso tsa bevel, tekanyo: 30~35°), e nang le khoele le khokahano;
Ho tšoaea.
Morero oa rona ke ho khotsofatsa bareki ba rona ka ho fana ka k'hamphani ea khauta, theko e ntle le boleng bo holimo bakeng sa Moralo o Mocha oa Feshene bakeng sa Pipe ea API 5L P1 Spiral Welded Pipe ea LSAW Steel Pipe e se nang Seamless Steel e nang le Phano e Ncha ea Lihlahisoa ho Tšepe X42 Nace Mr0175 ASTM36.19 ASTM252 Pipe Line Carbon Steel, Re ntse re labalabela ka tieo ho sebelisana le bareki lefatšeng ka bophara. Re lumela hore re ka u khotsofatsa. Re boetse re amohela ka mofuthu bareki ba tla ea k'hamphaning ea rona le ho reka thepa ea rona.
Moralo o Mocha oa Feshene bakeng saPipe e se nang mohele ea China Q345 le Pipe e se nang mohele ea Q235, Khamphani ea rona e latela moea oa "litšenyehelo tse tlase, boleng bo holimo, le ho etsetsa bareki ba rona melemo e mengata". Ka ho sebelisa litalenta tse tsoang moleng o le mong le ho latela molao-motheo oa "botšepehi, tumelo e ntle, ntho ea 'nete le botšepehi", k'hamphani ea rona e tšepa ho fumana nts'etsopele e tšoanang le bareki ba tsoang lapeng le linaheng tse ling!
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