ERW hka htung

ERW hte htu da ai n-gang pipengu ai gaw, n-gang coil kaw na galaw ai dingyang-seam welded pipe rai nna, dai kaw na strip jut ni hpe wan n-gun hte katsi shangun nna, ngang kang ai longitudinal weld byin tai wa hkra, shinggrup da ai.ERW ngu ai gaw, wan n-gun hpe ninghkap ai Welded ngu ai lachyum re., line pipe, hka htawt sit ai lam, hte OD n galai shai ai, lawan ai hku sa ya ai, manu jahpu n jai lang ai lam ni a matu ahkyak ai structural service ni a matu law malawng lata la ai. Dai weld gaw pipe makau hku galu kaba ai hku hkawm ai majaw, n-gun n law ai, n-gun kaba ai, grai kaja ai dimensional accuracy byin wa ai. Hpaga lam hta n-gun grai law ai hte manu n-htuk ai majaw, ERW pipe ni gaw sau hte wan sau htaw sa ai, npawt nhpang gawgap ai, hkai lu hkai sha ai lam, jak rung galaw ai zawn re ai bungli ni hta ahkyak ai lata la ai lam langai byin wa sai.

Octal Pipe gaw ERW pipe ni hpe galaw shapraw ai hta mungkan madang ni hpe atsawm sha hkan sa nna, n-gun rawng ai hte kam hpa mai ai arung arai ni hpe galaw shapraw lu na matu, shi hkrai shi galaw ai hte hpaji rawng ai arung arai ni hpe jai lang ai. Hkum tsup ai ladat hta lawm ai:

1. Raw Material hpe jep joi ai lam hte hkyen lajang ai lam

• API, ISO, hte kaga mungkan madang ni hpe hkan sa ai steel plate ni hpe lata la ai.
• Chemical n-gun, jak rung atsam, ntsa lam n-gun n-rawng ai lam ni hpe chyam yu nna, n-gun n bung hkra galaw ai.

2. Htu & Form galaw ai

• Hpa majaw nga yang, -htuk manu ai htu ai arung arai ni gaw, shadawn shadang hkrak ai hpe madi shadaw ya ai.
• Steel plate ni hpe loi loi hte shinggrup nna, jak ni hpe shinggrup da ai pipe billets ni hku nna galaw ai.

3. Hkrunlam hkawm ai

• Dai hpang, n-gup magap ni hpe plastic zawn katsi shangun nna, squeeze rollers ni hte shinggrup da ai.
• Current, voltage, hte welding lawan ai lam ni hpe shi hkrai shi galai shai ya ai majaw, n-gun ja ai hte matut manoi welding galaw lu ai.

4. Hka lum ai hku tsi lajang ai (Annealing/Normalizing)

• Weld hte heat-hkrum hkra ai shara ni a matu stress hpe shayawm ya ai.
• Microstructure, ngang kang ai lam, n-gun n rawng ai lam ni hpe grau kaja hkra galaw ya ai.

5. N jahten sharun ai chyam dinglik ai lam & jep joi ai lam

• Nsen n-gun chyam dinglik ai (UT):kata na weld n kaja ai lam ni hpe mu lu ai.
• Eddy ya aten chyam dinglik ai lam (ECT):npu na n-gun n-gun ni hte lawm ai lam ni hpe chye ginhka lu ai.
• Hka n-gun hpe chyam yu ai:pressure hpe ninghkap lu ai atsam hpe jep joi ai.
• Shadawn shadang jep joi ai lam:bunghku n-gun, ovality, galu kaba ai lam ni hpe hkam sharang lu ai.

6. Sizing, daw hte ngut hkra galaw ai

• Spray cooling hte sizing galaw ai gaw grup yin hte dingyang rai hkra galaw ya ai.
• Pipe ni hpe customer ni ra sharawng ai hku galu hkra gang je kau nna, chamfering hte deburring galaw ai.

7. Ntsa hpe tsi lajang ai & Coating galaw ai

• Pickling, gap bun ai, shing nrai, n-gun n rawng ai shingnip shingna (3PE, epoxy powder) ni gaw n-gun n rawng ai hpe ninghkap lu ai atsam hpe jat ya ai.

Galu kaba aiERW hka htungERW/HFW galaw shapraw ai hta audit galaw ai shara langai sha re. Project mari ai lam a matu, seam hpe hkang ai lam gaw, ga si n re-dai gaw, in-process hpe hkang ai lam, hkum tsup ai-hkum tsup ai hku jep joi ai lam, hte seam hpe n-gun jaw ai, n-gun jaw ai, chyam dinglik ai lam ni hpe sakse madun ai traceable records ni a chain re.

• -hpaji masa hpe hkang ai:coil/heat hpe hkan tam lu ai, jut hpe hkyen lajang ai, hte n-gun/lawan ai/hkum hkrang hpe n-gun n rawng hkra galaw na matu, n-gun rawng ai n-gun rawng ai parameter window (power/speed/squeeze) hpe n-gun rawng hkra galaw ai.ID/OD shingkyitn-gun rawng ai magam bungli hte coating a dinghpring ai lam a matu bead profile ra kadawn ai lam ni hpe hkan sa na matu hkang ai.
• Hkum tsup ai-galu ai NDT:galu kaba ai seam hpe jep yu aiUT hte/shnr Eddy Ya atenuphkang ai madang hte masing ITP hku nna, masat da ai masa ni hte hkap la ai masat masa ni hpe ka da ai.
• Dip sha ai dinghpring ai lam: hka n-gun chyam dinglik aira ai hku galaw ai; n-gun madun ai lam ni hpe (OD/ovality/straightness) hpe seam ginra a ngang grin ai lam hpe myit mada let jep joi ai lam galaw ai.
• Hkrang gram lajang ai lam hte jahkrat kau ai lam:seam masat kumla ni gaw, masat da ai lam hte maren, asan sha re ai disposition tara (hkap la / bai-hkap la / ningdang kau) hpe hkan sa ai; ahkang jaw da ai gram lajang ai lam hpa hpe mung ka matsing da nna bai-bai jep joi ai lam galaw ai.
• Audit galaw mai ai lam ni:heat No. mapping, NDT shiga, hka jep ai shiga, hte .3.2 MTC(hpyi shawn ai shaloi).

Project law malawng a matu, dawdan lam gaw asan sha re:ERW gaw manu jahpu-htuk manu ai lata la ai lam rai nna, welded pipe hpe ahkang jaw ai hte service gaw standard design margins kata kaw rai yang; Seamless hpe specification ra ai shaloi (sh) lit grai sawng ai shaloi grau ra sharawng ai.Octal Pipe gaw lam lahkawng yan hpe jaw ya lu nna, code hte risk level hpe madung tawn nna, kaja ai ladat hpe lata la na matu karum ya lu ai.

• ERW hpe lata ura ai aten htatau hkrau chye lu ai OD/WT, aten kadun ai, hte ngang grin ai n-gun jaw ai lamutilities, npawt nhpang bungli, hte lamu ga ntsa line package law law a matu.Madung hkang ai shara:galu kaba aiERW shingkyit-Octal Pipe gaw seam n bung ai hku nna hkang aijut hkyen lajang ai lam + ngang grin ai welding masat masa hkuwawt, hte dinghpring ai lam hpe .hkum tsup ai-galu ai n-gang NDT (UT/Eddy Current hpe tsun da ai hte maren) + hka n-gun chyam dinglik ai. Documentation a matu, anhte jaw ain-gun/hpyen n-gun hpe hkan tam lu ai lam hte EN10204 3.1 MTC(3.2 hte masum ngu na-party sakse hkam ai lam hpe hpyi shawn ai hte maren mai galaw ai).
• Seamless hpe lata udaw jau ai aten htan-gun kaba/katsi kahtet kaba, grai sawng ai cyclic loading, shing nrai, client/spec tsun ai shaloi ."n-gun n rawng ai sha."Seamless gaw ahkyak ai mari ai lam hta weld-seam hpe bai maram yu na myit tsang lam ni hpe shayawm ya nna, mari ai ni 2019 a matu grau loi ai jep joi lam hpe ra sharawng ai shaloi, law law lang lata la ai.hkrang shapraw ai - woi awn ai magam bungli ni(pressure/temperature margins, n-gun yawm ai hpe hkam sha ai lam, shing nrai madu a ra sharawng ai lam ni hpe grai ngang kang hkra galaw ai). Scope gap ni hpe koi lu na matu, Octal Pipe gaw tsun dan na matu hpaji jaw ai.code/madang, OD×WT, tsang, chyam dinglik ai shara, hte laika buk madangRFQ/PO hta asan sha ka da ai.

Octal Pipe mari ai wa a hpaji jaw ga:Na a RFQ/PO hta,madang + tsang + OD×WT + PSL (API 5L rai yang) + n-gang NDT shingdu labau + hka chyam dinglik + EN10204 3.1/3.2. Ndai gaw jep joi ai lamu ga jarit hpe pat da nna, laika buk hpe bai maram yu ai shaloi bai galaw na hpe koi ya ai.

• Hpaga lam: Coil + shinggrup da ai shingkyit vs ngang kang ai shingkyit (hpun n-gang n nga ai)
• OD n-gun: ERW gaw n-gun kaji ai-OD/n-gun kaba ai-n-gun hta grau kaja ai
• Kalang lang lang ai: lamu ga ntsa lam ni / jai lang ai lam ni / npawt nhpang ni hte ahkyak ai lam / n-gun kaba -
• Hkrit tsang hpa hpe hkang ai: weld seam NDT hte hkum hkrang ting a dinghpring ai lam + NDT
• Manu jahpu/Lead aten: ERW npu & lawan ai vs seamless tsaw ai & galu ai

Sau & Gas htaw sa ai lam (Onshore ROW gawgap ai lam):

-lam bungli a hkra maga- hta, lawan ai hpe 1 hte masat da ai.n-gang → n-gun rawng ai-up → n-gun rawng ai → NDT hpe shapraw kau ai → shingnip hpe gram lajang ai → jahkrat kau ai-in. ERW/HFW pipe hpe package ra ai aten hta law law lang lata ai.lawan ai hkaulan mam shapraw ai lam hte ngang grin ai OD/WTfit-up galaw lu na matu. Ndai shara hta supplier langai a sharin achyin ai lam dan dawng wa ai: hte .Octal Pipe, bungli galaw ai shara kaw na hpung gaw, laksan hku nna .hkan tam mai ai laika pack(heat/coil mapping + MTC) hpe bungli masing ITP hte maren sha galaw da ai majaw, tie-ins ni hpe laika pa ni hpe la nga ai aten hta n tawn da ai. Field audit galaw ai shaloi, 100 hpe madung tawn ai.weld seam NDT shinggrup ai lam (hkum tsup-galu ai UT/EC ra ai hku)hte hydrotest status-hpa majaw nga yang, dai kaw gara hold mung welding pru ai hpe jahkring kau ya nna,-in hpe jahkrat kau ai hpe jahkring kau ya ai.

Gawgap ai lam hte npawt nhpang gawgap ai lam (high-throughput galaw shapraw ai lam hte jung ai lam):

Guardrails, frame, sleeve, hte npawt nhpang npawt nhpang ni a matu, bungli galaw ai ni gaw matut manoi .galu hkra gang je kau ai, hkam sharang ai, htu ai, htu ai, hte htu ai bracket ni-ga law malawng gaw bai kahtap tsun ai jigs ni hte lang ai. Tatut hta ahkyak ai gaw .bai kahtap mai ai geometry(OD, ovality, straightness) dai majaw daw ni gaw jig hpe n "gasat" ai hte crew ni gaw atik anang align galaw ai (sh) bai galaw ai hta hkying hkum law law n hkru ai. Octal Pipe gaw ndai hpe madi shadaw ya ai tatut galaw mai ai lam langai gaw, specs 1 hpe tawn da ai hku nna re.shat sha ku - hpe shachyut ai(OD×WT, hkam sharang ai lam, galu kaba ai ladat) hte jaw ya aijep joi ai jahpan nidai gaw, site QC gaw arung arai ni hpe gara hku jep joi ai lam hte bung ai: dimensional mahtai, masat da ai/hkan tam lu ai lam, hte n-gun rawng ai shara ni hta seam jep joi ai shara.

N-gun & Hpaga lam galaw ai shara ni (window ni hpe pat kau ai & ahkang jaw ai lam ni):

Outage/turnaround aten hta, nang gaw .gram lajang da ai bungli hkuwawt, pat hkum da ai hot-bungli ahkang, hte shadawn sharam tawn da ai shara-dai majaw arung arai ni du ra ai- galaw na matu jin jin rai sai. ERW pipe hpe 2019 ning a matu lang ai.racks, madi shadaw ai lam, palawng galu, hte karum shingtau ai lam ni, dai kaw bungli hkrit tsang hpa gaw "anhte pipe mari lu na kun," n re ai sha, "QA hpe lawan ai hku pat lu na kun" ngu ai re. Ndai kaw, Octal Pipe a manu gaw marketing hte seng nna n law ai sha, 100 hte seng nna grau law ai.shapraw ai lawan ai: hydro/NDT sakse, asan sha lamu ga hpe hkan tam lu ai lam, ITP-htuk manu ai laika buk hpe hpaw da ai majaw, spool ni hpe n-gun n rawng ai sha, shing nrai, bai-chyam dinglik ai lam n galaw ai sha, sign off galaw lu ai.

Hpaji masa hta rawt jat galu kaba wa ai, n-gun ja ai quality hpe hkang zing ai, jai lang ai shara law law nga ai Octal Pipe a ERW welded pipe ni gaw mungkan ting na sau & wan sau, gawgap ai lam, engineering galaw ai ni a matu ra sharawng ai hparan ladat tai wa sai. Matut manoi hpaji ningnan ni hpe jat wa ai hte, n-gun jaw ai lam hpe atsawm sha hparan ai hku nna, manu jahpu grau law ai, kam hpa mai ai, aten galu-bungli galaw lu ai arung arai ni hte daw jau lam ni hpe anhte jaw ya ga ai.

Ya matut mahkai mai ai

FAQ

 

 

San: ERW hte HFW pipe lapran hpa shai ai kun?

A: HFW hpe gaw, dai ni na aten na ERW a high-frequency hkrang langai hku nna, hkam la ma ai.-"ERW" gaw umbrella ga si rai nna, "HFW" gaw lang ai -hkum hkrang n-gun kaba ai welding ladat hpe madi madun ai.

San: ERW pipe a n-gun hpe gara hku dawdan na kun?

A:Pressure atsam gaw 100 re.sawn la ai, n gram lajang ai-dai gaw 1 hta madung nga ai.OD, bunghku n-gun, hte ahkang jaw ai n-gundesign code hku nna (Barlow-hpan equation ni hpe law law lang lang ai), dai hpang nbung katsi ai hte n-gun yawm ai lam hpe hkam la lu na matu gram lajang ai; hydrotest gaw ra ai shaloi, n-gun atsam hpe jep joi ya ai.

San: ERW pipe hte n-gun n rawng ai pipe - gara hpe lata ra na kun?

A:Lata aiERWwelded pipe hpe ahkang jaw ai shaloi nang ra aiOD/WT n galai shai ai hte woi awn ai aten kadun ai; lata ain-gang n-nga aispec ra ai shaloi (sh) lit gaw .grai tsaw ai n-gun/hpyen n-gun (sh) grai sawng ai cyclic loading.

San: Steel pipe hta ERW ngu ai lachyum gaw hpa rai ta?

A:ERW ngu ai gaw .Wan n-gun hpe ninghkap ai. Dai hpe strip jut ni hpe 1 hte katsi shangun nna galaw ai.tsaw ai-ya lang ai n-gunhte shanhte hpe dip nna .galu kaba ai weld seam.

Masat masa ni

 

CE masat laika

ISO 9001 masat laika

API Q1 masat laika

ABS masat laika

AP-5L masat laika

API-5CT masat laika

 

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