Dade Pipe a Ɛnyɛ Seamless

Dade paipu a enni nhamayɛ paipu a wɔayɛa enni welded seam biara. Wɔnam dade bi a ɛyɛ den a wɔde hyew so na ɛyɛ, .a wɔtow mu ma ɛyɛ tokuru, afei rolling na sizing tube no to the required OD ne ɔfasu thickness ansa na awie (ɔhyew ayaresa, awiei prep, ne awiei nhwehwɛmu) to wo specified gyinapɛn ne grade.

Octal Pipe twe adwene si adwuma a ɛte sɛɛ so. Yɛde dade paipu a ɛnyɛ den ma wɔ amanaman ntam gyinapɛn ahorow pii mu – .API 5L line paipu, ASTM A106 / A53 ma nhyehyɛe paipu, .A179/ A213 ma boiler ne ɔhyew-exchanger tubes, A335 ma alloy high-temperature service, ne EN 10216 ne GB/T grades a ɛfa ho. Mfɛnsere a ɛwɔ afã horow no kata so10.3–1422 mm OD na ɛwɔ hɔna ɔfasuo no mu duru kɔsi150 mm, enti wobetumi anya nhama a wɔde fa nsu mu, nsu a wɔde fa nsu mu, nsu a wɔde sesa nneɛma ne nneɛma a wɔde yɛ nneɛma nyinaa afi munhyehyɛe biako a wɔayɛ no biako a ɛnyɛ densɛ́ anka wɔbɛkyekyɛ mu wɔ owiyammo pii mu.

Wɔ kɛse ne abasobɔde biara akyi no, wɔahyɛ soɔkwan a wɔfa so yɛ nneɛma: mandrel- anaa plug-mill rolling, ɔhyew ayaresa a wɔakyerɛkyerɛ mu, nsusuwii a edi mũ nhwehwɛmu ne NDT / hydrotest scope a wɔapene so. Batch biara yɛ nea wɔayi no adi neEN 10204 3.1 anaa 3.2 adansedi nkrataa ne ɔhyew a wɔde hwehwɛ nneɛma mu a edi mũ, a ɛma adwuma no mfiridwumayɛfoɔ, QA ne nnipa a wɔto so mmiɛnsa-ahwɛfoɔ no akontabuo kwan a ɛda adi pefee na ɛtew asiane a ɛwɔ simma a ɛtwa toɔ-simma a ɛtwa toɔ-san yɛ adwuma anaasɛ wɔkura-ups wɔ pene a ɛtwa toɔ no so.

Ntrɛwmu ahorow hia paipu soronko – nanso nsɛmmisa pii ba a nkyerɛkyerɛmu a enni mũ anaasɛ adi afra. Akwan a Octal Pipe fa so de boɔ ka ho no mu baako ne sɛ ɛbɛboa adetɔfoɔfa gyinapɛn ne abasobɔde a ɛfata hyia adwumayɛ tebea ankasa.

Wɔ nneyɛe mu no, yɛn adwuma no mu nneɛma dodow no ara gu akuw kakraa bi mu:

• Transmission pipelines a wɔde yɛ ngo & gas- mpɛn piiAPI 5L paipu a ɛnyɛ den, abasobɔde B kosi X70, PSL1 anaa PSL2 a egyina design factor ne toughness ahwehwɛde so. Yɛde toughness, DWTT (sɛ ɛho hia a), CVN nkɛntɛnso sɔhwɛ ne sour-service options ne pipeline design code no hyia.
• High-ɔhyew steam ne process lines – ASTM A106 na ɛwɔ hɔ / A335seamless pipe wɔ carbon ne alloy grades (te sɛ Gr.B, P11, P22, P91) ma anyinam ahoɔden mfiri, refineries ne petrochemical units, a wɔahyɛ ɔhyew ayaresa ne denden.
• Boiler ne ɔhyew{0}}sesa nsukorade – ASTM A179 / A192 / A213 na ɛwɔ hɔne EN 10216 grades a ɛne no hyia ma low-carbon ne alloy steel tubes, a tight wall tolerances ne expanded / U-bending allowance wɔ baabi a ɛho hia.
• Ɔhyew a ɛba fam-ne cryogenic som – ASTM A333 / EN 10216-4seamless pipe a ɛwɔ impact testing wɔ sub{0}}zero temperature a wɔakyerɛ, a wɔde di dwuma wɔ low-temperature storage, LNG ne cold-service lines so.
• Sour ɔsom application ahorow– nneɛma ne hardness controlled sɛnea ɛbɛyɛ a wobehyiaNACE MR0175 / ISO 15156. Nnipa a wɔte saabaabi a H2S wɔ, na wɔkwati mpaapaemu ne ahwehwɛde ho nsɛm wɔ mmeae a ɛyɛ akisikuru.

Sɛ wode wo mfitiaseɛ dwumadie data (medium, pressure, temperature, design code ne sour / low-temperature ahwehwɛdeɛ biara) mena yɛn a, yɛde map kɔgyinapɛn pɔtee, abasobɔde ne sɔhwɛ mu ahwehwɛde ahorow, na fa nneɛma a wɔahyehyɛ a ɛho tew san ba. Eyi boa wo mu kuw ne afotufo ma wɔhwɛ na wɔpene nkyerɛkyerɛmu no so ntɛmntɛm, bere a wɔhwɛ hu sɛ paipu biara a ɛnyɛ den a yɛde ma no fata wɔ mfiridwuma mu ma adwuma a ɛsɛ sɛ ɛyɛ no.

Wɔ boiler tubes ne high-pressure seamless pipe ho no, adetɔfoɔ mfa mfiri dodoɔ a owiyammo bi wɔ ho kɛseɛ na ɛfa ho kɛseɛnea saa mfiri ahorow no hyɛ ho bɔ wɔ nneyɛe mu– dadeɛ ahotew, nsusuiɛ a ɛgyina pintinn ne sɔhwɛ mu aba a ɛtwam boiler ne pressure-anwenneɛ akontabuo. Octal Pipe no seamless supply no wɔasi wɔ melt-to-tube kwan so a saa botaeɛ no wɔ wɔn adwenem.

Efi Steelmaking kosi Finished Tube – Nnwinnade Titiriw ne Nea Ɛkyerɛ Ma Wo

Efisɛ wɔde saa unit ahorow yi tu mmirika sɛnealine biako a wɔaka abom, wo nsa ka seamless tubes a:

• dade ahotew ne nnuruyɛwɔhwɛ so fi nsu a ɛyow no mu, ɛnyɛ sɛ wɔhwɛ wɔ afiri a wɔawie no mu nko;
• ɔfasu no mu duru, OD ne tẽẽyɛ nea efi piercing ne mandrel{0}}mill kwan a wɔatu ho ama mu aba, ɛnyɛ nsakrae a wɔyɛ no kwa;
• UT / eddy-mprempren ne lab sɔhwɛ ahorowwɔ hɔ dedaw ma boiler, petrochemical ne power-plant gyinapɛn ahorow, enti wo third-party nhwehwɛmu ne code approval kɔ so a ɛnyɛ nwonwa kakraa bi.

Wo sɛ adetɔfoɔ no, boɔ titire a ɛwɔ Octal Pipe nnwinnadeɛ so no yɛ tiawa:seamless tubes a edi mfonini ne mmara ahwehwɛde ahorow ho dwuma bere a edi kan, a ɛwɔ sɔhwɛ kwan a wo QA kuw ne nhwehwɛmufo betumi de wɔn ho ato so.

Wɔyɛ dade paipu a enni nhama denam billet a ɛyɛ den a wɔde tu mu kɔ akorade a ɛyɛ tokuru mu, afei ɛyɛ hyew-rolling/elongating to size, na ɛno akyi no wɔde sizing/straightening ne ɔhyew a wɔde yɛ adwuma wɔ baabi a ɛho hia.

Sɛ adetɔfo hwɛ paipu mill flow chart a ɛnyɛ den a, nea ɛho hia ankasa ne sɛ ɛnyɛ nnaka dodow a ɛwɔ mu, na mmombaabi a wɔato quality mu na wɔakyerɛw ho asɛm. Octal Pipe hyehyɛ ne mandrel-mill production line twa saa adwene no ho hyia – anammɔn titiriw biara wɔ control point a wobetumi ahwehwɛ akyiri yi wɔ MTC ne nhwehwɛmu amanneɛbɔ mu.

1. Billet twitwa, ɔhyew ne piercing – efi ase fi nnyigyei dade
Wɔtwitwa tube billets a wɔapaw no tenten, wɔhwɛ soro-na afei wɔma ɛyɛ hyew wɔ rotary hearth furnace a controlled temperature uniformity mu. Bere a wɔasi nnuru ne asase ani tebea so dua akyi nkutoo na wɔhyɛn afiri a wɔde tutu mu no mu. Wei brɛ asiane a ɛwɔ laminations mu ase na ɛhwɛ sɛ hollow shell a yɛto mu no fata dedaw ma high-pressure service.

2. Mandrel mill rolling, stretch reducing ne sizing – ɛhwɛ ɔfasu ne ovality so
Wɔbobɔw akorade a wɔato mu no wɔ mandrel mill so na afei wɔde fa stretch-reducing / sizing stands mu. Saa bere yi na yɛhwɛ soOD, ɔfasu no mu duru ne eccentricitymmom sen sɛ "wɔbɛyɛ paipu" kɛkɛ. Saa gyinapɛn yi a wode bɛto tolerances a wɔapene so mu no ne nea akyiri yi ɛma wo field bending, welding ne AUT kɔ yiye a enni cut-outs foforo.

3. Ɔhyew ayaresa a wɔde fononoo curves a wɔakyerɛw ato hɔ
Ɛdenam grade so no, wɔyɛ paipu no sɛnea ɛsɛ anaasɛ wodum na wɔma ɛyɛ hyew wɔ fononoo a ɛkɔ so anaasɛ batch mu. Wɔkyerɛw bere ne ɔhyew ma adesoa biara, enti sɛ wuhu mfiri su ne denden wɔ MTC no so a, wɔde ɔhyew-ayaresa curve ankasa gyina akyi. Eyi yɛ ade titiriw ma nnwuma a ɛyɛ adwuma kɔ API 5L, ASTM A106/A335 anaa EN 10216 a wɔayɛ toughness ne hardness anohyeto ahorow ho akontaabu katee.

4. Teɛ, ɔfasuo a ɛho tew ne dimensional checks
Sɛ ɛyɛ nwini wie a, wɔteɛ paipu no na woyi nsenia, afei wɔsan susuw OD, ɔfasu no mu duru ne ne tenten. Saa nhwehwɛmu yi hwɛ sɛ paipu no ne mfonini no hyia – ɛnyɛ sɛ wɔkyekyɛ mu nko, na mmom asinasin biara – enti fabrication shops ne site crews nsɛe bere kakraa bi de siesie na wotwitwa ho hyia fi-of{2}}tolerance material.

5. NDT ne hydrostatic sɔhwɛ – nea wuntumi nhu a wobɛhwɛ
Nneɛma a wɔyɛ no fã biara fa mumagnetic flux leakage ne ultrasonic sɔhwɛ, a wɔde magnetic particle inspection hwɛ paipu awiei bio. Woyi sintɔ ahorow fi hɔ anaasɛ wɔpow paipu no ansa na adu hydrostatic sɔhwɛ mu. Wɔ nsuo mu sɔhwɛ mu no, wɔde nhyɛsoɔ hyɛ paipu biara mu na wɔkura mu kɔ sɔhwɛ nhyɛsoɔ a wɔakyerɛ no so, na ɛma adanseɛ a wɔakyerɛw ato hɔ sɛ ɛtumi gyina wo nhama no nhyɛsoɔ a wɔayɛ no ano.

6. Nsusuiɛ, katasoɔ, agyiraeɛhyɛdeɛ ne packing – ma ɛyɛ krado ma wo project
Awiei koraa no, wɔkari paipu na wɔsusuw, afei wɔde petepete-paint anaasɛ wɔde kata so sɛnea wɔakyerɛ na wɔde awiei nkataso hyehyɛ mu. Ne tenten biara kura agyiraehyɛde a emu da hɔ (kɛse, grade, gyinapɛn, ɔhyew nɔma), wɔde agyiraehyɛde ahyɛ bundles so, na packing lists ne nhwehwɛmu nkrataa no hyia. Wei ma wuranom, EPC ne nnipa a wɔto so abiɛsa-ahwɛfoɔ tumi hwehwɛ paipu biara a ɛwɔ beaeɛ no kɔ ne sɔhwɛ aba no so a wɔnnsusu ho.

Hwɛ adwuma no ho nsɛm a ɛfa ho

Klik ha

Sɛ woretoto ho aadwumakuw a ɛyɛ dade paipu a ɛnyɛ den wɔ China, gyinaesi no taa fa mill route control, inspection scope, ne traceability-ɛnonom ne nea ɛtetew ankasa museamless dade paipu adwumayɛbeasupply fi aguadi-nko quote mu.

• Metallurgy kan – dade a ɛho tew ma high-nhyɛso som

Yɛn seamless pipe no fi ase fiEAF + LF / VD dade a wɔayɛ no yiye, a wɔtow gu billets a wɔahyɛ so na afei wɔbobɔw wɔ mandrel / plug mills so. Wɔtew gas a ɛwɔ mu ne nea wɔde ka ho so wɔ dade a wɔyɛ no mu, a ɛkyerɛ sɛ ɔhaw kakraa bi a ahintaw akyiri yi wɔUT, ɔbrɛ anaasɛ creep som. Wɔ boiler ne high-temperature grades ho no, yɛhwɛ so yiyeaburow kɛse, carbide kyekyɛ ne sɛnea ɛyɛ den, enti bere tenten-agyapade mfa ne ho nto "anigye ɔhyew" so.

• Rolling ne ɔhyew ayaresa tuned to grade biara

Wɔde piercing, elongation ne sizing hyia grade ne wall thickness, ɛnyɛ run wɔ one-size-fits-all nhyehyɛe so. Sɛ wɔbobɔw wie a, nsu afiri fa munormalizing, quench-ne-temper anaa hann annealing, a wɔde fononoo mu nkuruwankuruwa akora so wɔ adesoa biara mu. Wo fam no, eyi kyerɛ saaA106, A335, A179 / A213, EN 10216 ne API 5Lgrades de mfiridwuma mu nneɛma a ɛyɛɔhyew a wotumi san yɛ bio ma ɛyɛ hyew, ɛnyɛ sɛ ɛkame ayɛ sɛ ɛwɔ gyinapɛn ahorow a ɛba fam koraa mu kɛkɛ.

• Dimensional control a wɔasisi wɔ owiyammo no mu, a wɔansiesie wɔ beae hɔ

Esiane sɛ wɔtaa de seamless di dwuma wɔ bends, tight racks ne high-pressure headers so nti, yɛde yɛn adwene si soOD, ɔfasu abodwokyɛre, eccentricity ne tẽẽwɔ owiyammo no so. Wɔahyehyɛ mandrel / stretch-reduction mills sɛnea ɛbɛyɛ a tube no bɛkɔ so atra tolerance window a ɛho hia ma no muinduction bending, awɔw bending ne automatic welding. Eyi gye wo fi sɛ ɛsɛ sɛ wohyehyɛ na "wopaw asinasin a eye sen biara" wɔ gyaade hɔ.

• Sɔhwɛ nhyehyɛe ahorow a ɛne boiler, pipeline ne plant codes hyia

Sɛ́ anka yɛde sɔhwɛ a ɛba fam koraa nkutoo bɛma no, yɛtaa de mahydrotest, full-body UT / eddy-current, hardness nhwehwɛmu, nkɛntɛnso sɔhwɛ ne sɔhwɛ titiriw(sɛ nhwɛso no, low-temperature CVN, creep rupture, HIC) pɛpɛɛpɛ sɛnea adwuma no mmara ne spec hwehwɛ. Nea efi mu ba biara bata hoɔhyew nɔma ne paipu lot, enti wo QA kuw ne abɔnten nhwehwɛmufoɔ bɛtumi ahwɛ line no so a wɔrensɔ biribiara nhwɛ bio.

Sɛnea ɛbɛyɛ a aseamless dade paipu importer, mpɛn pii no, nea ɛkyɛ kɛse ne nkrataa a enhyia ne ntonto a wɔadi afra.

Yɛde packing/marking list a wɔakyekyere wɔ heat/lot so mena sɛnea ɛbɛyɛ a importer no betumi apra receiving na project QA a ɔnsan -sorting.

Ne tiaatwa mu no, .Octal Pipe dade paipu a ɛnyɛ denɛnyɛ nea wɔde asi hɔ sɛ aguade afiri a ne bo yɛ mmerɛw sen biara, na mmom sɛprocess-controlled material ma lines a huammɔdi nyɛ ɔkwan a wobɛfa so– nhyɛsoɔ a ɛkorɔn-ɔhyeɛ a ɛkorɔn-ɔhyeɛ ne afifideɛ dwumadie a ɛho hia.

Nea Ɛsakra Nsɛm a Wɔafa Ka no

• Seamless dade paipu bono titiriw na OD/WT, grade, ɔhyew a wɔde yɛ adwuma, sɔhwɛ a wɔhwehwɛ (UT/hydrotest), dodow, ne nsɛm a wɔde ma.
• Sɛ wopɛ sɛ wonya nneɛma a wɔde toto ho a, fa RFQ no a ne kɛse, gyinapɛn/grade, ne tenten, awiei su, ne nhwehwɛmu/nkrataa pack pɔtee a wɔhwehwɛ no mena.
• Sɛ wo PO/ITP de 3.2 adansedie, NDT coverage, anaa sɔhwɛ soronko ka ho a, ɛboɔ ne berɛ a wɔde di dwuma no sesa sɛdeɛ ɛfata.

Di nkitaho mprempren

Ɔhaw a Ɛtaa Ba

Kɛse ne grade range bɛn na Octal Pipe betumi de ama ama seamless steel pipe?

Yɛde seamless pipe fi 10.3–1422 mm OD ne kosi 150 mm ɔfasu thickness wɔ API 5L, ASTM A106/A53, A179, A213, A335 ne EN 10216 grades.

So wo seamless pipes no betumi adi project ne third{0}}party inspection ahwehwɛde ahorow a ɛyɛ katee ho dwuma?

Aane. Batch biara de EN 10204 3.1 / 3.2 MTCs, NDT ne hydrotest amanneɛbɔ a wɔakyerɛkyerɛ mu ne ɔhyew hwehwɛ a edi mũ ba de boa adwuma ne third-party audits.

Dɛn nti na ɛtɔ da bi a adwumfo hyɛ nkyerɛwde bi agyirae sɛ "SMLS nkutoo"?

Wɔahyɛ nkyerɛwde ahorow agyirae"SMLS" .bere a designer no mpɛ longitudinal weld wɔ nhyehyɛe no mu – mpɛn pii nonhyɛso a ɛkorɔn yiye, ɔhyew a ɛkɔ soro, adesoa a ɛyɛ kyinhyia a emu yɛ den, benkum a ano yɛ nnam anaa nhama a ɛbɛn nnwinnade a ɛkyinkyini. Wɔ saa nsɛm yi mu no, paipu a enni nhama yi weld nhama no fi hɔ sɛ beae a ebetumi afi ase ama mpaapaemu anaasɛ nsɛe.

Fabrication ne delivery services bɛn na wubetumi de ayɛ paipu no?

Yebetumi de cut-to-length pipe a beveling, threading anaa grooved ends, ne coating, marking ne export packing sɛnea wo project specification kyerɛ no ama.

Adansedi nkrataa

 

CE Adansedi Krataa

ISO 9001 Adansedi krataa

API Q1 Adansedi krataa

ABS Adansedi krataa

AP-5L Adansedi krataa

API-5CT Adansedi krataa

 

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