Daim ntawv qhia ua tiav rau seamless steel yeeb nkab - npog cov txheej txheem tsim khoom, qib khoom siv, cov qauv siv tau, qhov loj me, thiab cov ntsiab lus tseem ceeb rau kev yuav khoom.
1. Taw qhia
Seamless steel yeeb nkabyog ib qho tseem ceeb tshaj plaws thiab cov khoom siv dav dav hauv kev lag luam piping. Los ntawm cov roj thiab cov pa xa mus rau lub tshuab hluav taws xob tsim hluav taws xob, cov khoom siv tshuaj lom neeg rau cov tshuab hydraulic, cov yeeb nkab seamless tau teev nyob rau txhua qhov chaw muaj zog, kev ntseeg siab, thiab kev ntseeg siab yog qhov tseem ceeb.
Tsis zoo li cov yeeb nkab welded, seamless yeeb nkab tsis muaj longitudinal los yog kauv weld seam - nws yog tsim los ntawm ib qho khoom steel billet. Qhov no tshem tawm cov vuam raws li qhov ua tsis tau zoo thiab ua rau cov yeeb nkab nrog cov khoom siv sib xws thoob plaws.
Phau ntawv qhia no npog txhua yam engineers thiab procurement professionals yuav tsum paub txogseamless steel yeeb nkab.
2. Dab tsi yog Seamless Steel Yeeb Nkab?
A seamless steel yeeb nkabyog lub hollow cylindrical raj tsim tsis muaj welded seam. Nws yog tsim los ntawm cua sov cov khoom steel billet thiab tho nws nrog ib tug mandrel los tsim ib tug hollow plhaub, uas yog ces dov los yog kos rau qhov ntev ntawm qhov xav tau. Vim tias tsis muaj vuam, cov yeeb nkab muaj cov phab ntsa tuab thiab cov khoom siv hlau zoo ib puag ncig ntawm tag nrho cov kab.
Cov yam ntxwv tseem ceeb
- Tsis muaj weld seam - tshem tawm cov vuam raws li qhov ua tsis tiav
- Uniform grain qauv thiab mechanical zog
- Siab tso cai siab tshaj welded yeeb nkab ntawm tib qib thiab lub sij hawm (Ej=1.0 ib ASME B31.3)
- Kev ua tau zoo dua hauv kev thauj khoom cyclic, kub siab, thiab kev pabcuam qaub
- Tus nqi siab dua vim yog kev tsim khoom ntau dua thiab cov khoom siv qis dua
3. Seamless Yeeb Nkab Manufacturing txheej txheem
Kauj Ruam 1: Npaj Billet
Ib qho khoom cylindrical steel billet raug txiav kom ntev thiab ua kom sov hauv lub tshuab hluav taws xob tig mus rau kwv yees li 1200℃(2190℃F). Cov cua sov sib xws yog qhov tseem ceeb kom ua tiav cov yas zoo ib yam rau kev tho.
Kauj Ruam 2: Piercing
Lub rhuab billet yog pub rau hauv ib tug ntoo khaub lig- yob tho tshuab qhov twg ob rotating yob thiab ib tug nyob ruaj ruaj mandrel tho qhov chaw, tsim ib tug hollow plhaub. Qhov no yog cov txheej txheem kev xav tau tshaj plaws - txhua qhov eccentricity ntawm no nqa mus rau cov yeeb nkab tiav.
Kauj Ruam 3: Elongation
Lub plhaub hollow yog elongated los ntawm ib tug mandrel zeb, ntsaws zeb, los yog nruam dov zeb. Ntau qhov kev hla txo cov phab ntsa tuab thiab sab nraud mus rau lub hom phiaj qhov ntev.
Kauj Ruam 4: Sizing & Straightening
Cov yeeb nkab hla dhau ntawm lub tshuab sizing kom ua tiav qhov kawg OD hauv cov qauv kev ua haujlwm siab, tom qab ntawd tau ncaj qha kom ua tau raws li qhov yuav tsum tau ua.
Kauj Ruam 5: Kev kho cua sov
Nyob ntawm qhov kev qhia tshwj xeeb, cov yeeb nkab ua haujlwm zoo li qub, quenching thiab tempering, los yog kev ntxhov siab kom ua tiav cov khoom tsim nyog thiab cov qauv nplej.
Kauj Ruam 6: Kev Ntsuas & Kev Ntsuas
Txhua cov yeeb nkab raug kuaj xyuas hydrostatic siab, thiab qhov chaw weld (rau seamless, tag nrho lub cev) raug tshuaj xyuas siv ultrasonic, eddy tam sim no, los yog magnetic particle txoj kev. Dimensional verification thiab visual inspection ua tiav cov txheej txheem.
| Manufacturing Parameter | Tus nqi |
|---|---|
| Billet kub | 1200 degree |
| Piercing ceev | 0.5 – 2.0 m/s |
| Kev txo qis | 4: 1 txog 10: 1 rau kev hla |
| Normalizing kub | 850-950 degree |
| Hydrostatic xeem siab | Raws li ASTM / API specification (feem ntau 1.5 × tsim siab) |
4. Cov khoom siv qib
Carbon Steel Seamless Yeeb Nkab
| Qib | Txuj | Tensile zog | Max Temp |
|---|---|---|---|
| A106 gr. B | ASTM A106 1 | 415 MPa min | 425 degree |
| A53 gr. B | ASTM A53 | 415 MPa min | 425 degree |
| API 5L Gr. B | API 5L | 415 MPa min | 400 degree |
| API 5L X52 | API 5L | 460 MPa min | 400 degree |
| API 5L X65 | API 5L | 535 MPa min | 400 degree |
| API 5L X80 | API 5L | 625 MPa min | 400 degree |
Stainless hlau seamless yeeb nkab
| Qib | Txuj | Cov khoom tseem ceeb | Daim ntawv thov |
|---|---|---|---|
| 304/L | ASTM A 312 Cov Lus Qhia | General corrosion kuj | Khoom noj khoom haus, tshuaj, architectural |
| 316/L | ASTM A 312 Cov Lus Qhia | Chloride kuj (Mo ntxiv) | Marine, kws |
| 321 | ASTM A 312 Cov Lus Qhia | Siab -temp stability (Ti stabilized) | Aerospace, tshav kub exchangers |
| 310S | ASTM A 312 Cov Lus Qhia | Oxidation tsis kam mus rau 1035 degree | Rauv qhov chaw, kilns |
Alloy Steel Seamless Yeeb Nkab
| Qib | Txuj | Cov khoom tseem ceeb | Max Temp |
|---|---|---|---|
| P5 (5Cr-0.5Mo) | ASTM A335 Cov Lus Qhia Tshwj Xeeb | Oxidation kuj | 650 degree |
| P9 (9Cr-1Mo) | ASTM A335 Cov Lus Qhia Tshwj Xeeb | Siab -temp corrosion kuj | 650 degree |
| P11 (1.25Cr-0.5Mo) | ASTM A335 Cov Lus Qhia Tshwj Xeeb | Creep kuj | 575 degree |
| P22 (2.25Cr-1Mo) | ASTM A335 Cov Lus Qhia Tshwj Xeeb | Creep + hydrogen tsis kam | 575 degree |
| P91 (9Cr-1Mo-V) | ASTM A335 Cov Lus Qhia Tshwj Xeeb | Siab creep zog | 650 degree |
5. Cov qauv siv tau
| Txuj | Scope |
|---|---|
| ASTM A106 1 | Seamless carbon steel yeeb nkab rau siab -kev pab kub |
| ASTM A53 | Seamless thiab welded dub thiab kub -dipped galvanized steel yeeb nkab |
| API 5L | Kab yeeb nkab rau roj thiab roj kis tau tus mob (PSL1 thiab PSL2) |
| ASTM A 312 Cov Lus Qhia | Seamless thiab welded austenitic stainless hlau yeeb nkab |
| ASTM A333 Cov khoom lag luam | Seamless thiab welded steel yeeb nkab rau qis - kev pabcuam kub |
| ASTM A335 Cov Lus Qhia Tshwj Xeeb | Seamless ferritic alloy steel yeeb nkab rau siab -kev pabcuam kub |
| ASTM A 213 | Seamless ferritic thiab austenitic boiler, superheater, thiab cua sov- cov raj sib pauv |
| TS EN 10216 | Seamless steel raj rau lub hom phiaj siab (European) |
| TIAB SA 17175 | Seamless steel raj rau siab kub (German) |
| JIS G3454 | Carbon steel yeeb nkab rau kev pabcuam siab (Japanese) |
| GB/T 8163 | Seamless steel kav dej rau kev pabcuam (Suav) |
6. Qhov Loj & Teem Sij Hawm Ntau
Seamless steel yeeb nkabmuaj los ntawm me me li 1/8 "NPS (instrument tubing) mus txog 36" NPS (loj- txoj kab uas hla kis tau tus mob). Saum toj no 36", seamless yeeb nkab yuav economically impractical - LSAW los yog SSAW welded yeeb nkab yog siv xwb.
| NPS | OD (inch) | Teem caij Range |
|---|---|---|
| 1/2" | 0.840 | SWB 40 – 160 Stb |
| 1" | 1.315 | SWB 40 – 160 Stb |
| 2" | 2.375 | SIB 10 – 160 |
| 4" | 4.500 | SIB 10 – 160 |
| 6" | 6.625 | Sch 10 – Sch120 |
| 8" | 8.625 | Sch 10 – Sch120 |
| 12" | 12.750 | Sch 10 – Sch80 |
| 24" | 24.000 | Sch 10 – Sch 60 |
| 36" | 36.000 | Sch 10 – Sch40 |
7. Seamless vs Welded yeeb nkab
| Khoom | Seamless Yeeb Nkab | Welded yeeb nkab |
|---|---|---|
| Weld seam | Tsis muaj | Longitudinal los yog kauv |
| Kev ntsuas siab | Siab dua (Ej=1.0) | qis (Ej=0.85 – 1.0) |
| Txoj kab uas hla | 1/8" – 36" | 1/2 "- 120" (SSAW) |
| Phab ntsa uniformity | Zoo heev | Zoo (weld cheeb tsam yuav txawv) |
| Nqi | 20-40% hwm | qis |
| Lub sijhawm ua haujlwm | Ntev dua | luv dua |
| Sour Service (NACE) | Nyiam | Limited (HAZ kev txhawj xeeb) |
| Kev qaug zog | Zoo heev | Zoo |
8. Kev siv ntawm Seamless Steel Yeeb Nkab
Roj & Roj
Seamless yeeb nkab yog tus qauv rau downhole casing thiab tubing, wellhead connectors, flowlines, thiab siab - gas kis tau tus mob. API 5L PSL2 seamless qib X52-X80 tau teev tseg rau cov kav dej tseem ceeb uas qhov vuam seam tsis muaj kev pheej hmoo.
Lub zog tiam
Boiler tubes (ASTM A213), superheater tubes (ASTM A335 P91), thiab cov kab hauv cov roj fossil thiab nuclear fais fab nroj tsuag cia siab rau seamless yeeb nkab rau siab -kub creep zog.
Tshuaj & Petrochemical
Seamless stainless hlau yeeb nkab (ASTM A312 TP304L / 316L) yog siv rau hauv cov txheej txheem piping rau corrosive tshuaj. Alloy qib (P5, P9) ua haujlwm siab -kub hydrogen kev pabcuam hauv refineries.
Hydraulic & Pneumatic
Seamless txias-cov yeeb nkab kos tau teev tseg rau siab- lub tog raj kheej hydraulic siab, ntsuas tubing, thiab pneumatic tswj kab qhov twg nto tiav thiab concentricity yog qhov tseem ceeb.
Mechanical & Structure
Seamless mechanical tubing yog siv rau shafts, rollers, bearing races, thiab structural Cheebtsam uas yuav tsum tau uniform zog yam tsis muaj weld seam.
9. Daim ntawv txheeb xyuas khoom muag
Thaum xajseamless steel yeeb nkab, xyuas kom meej cov ntaub ntawv hauv qab no suav nrog koj RFQ:
- Ntau- Tus naj npawb ntawm qhov ntev lossis tag nrho tonnage
- Txuj- ASTM A106, API 5L, ASTM A312, thiab lwm yam.
- Khoom Qib- Gr. B, X52, TP304L, P22, thiab lwm yam.
- Loj- NPS + Teem caij, los yog raws nraim OD × phab ntsa thickness
- Ntev- Ib qho random, ob chav random, lossis ntev ntev
- Xaus Xaus- Plain, beveled, los yog threaded
- Daim ntawv pov thawj- EN 10204 3.1 lossis 3.2, NACE MR0175
- Kev sim- Hydrostatic, UT, PMI, lossis thib peb-kev tshuaj xyuas
- Txheej- Liab qab, varnished, galvanized, FBE, los yog 3LPE
- Kev xa khoom- Incoterm (FOB, CIF, CNF) thiab chaw nres nkoj ntawm qhov chaw
10. Cov lus nug uas nquag nug
Q: Qhov txawv ntawm seamless thiab welded steel yeeb nkab yog dab tsi?
A: Seamless yeeb nkab yog tsim los ntawm cov khoom siv hluav taws xob uas tsis muaj welded seam, muab nws siab dua kev ncaj ncees thiab cov qauv zoo ib yam. Welded yeeb nkab yog tsim los ntawm phaj los yog coil nrog ib tug longitudinal los yog kauv weld. Seamless muaj zog dua rau ASME B31.3 (Ej=1.0) tab sis raug nqi 20-40% ntau dua.
Q: Dab tsi loj npaum li cas seamless yeeb nkab tuaj?
A: Seamless yeeb nkab yog li ntawm 1/8 "NPS rau 36" NPS (6mm txog 914mm OD). Saum toj no 36", seamless feem ntau tsis yig - welded yeeb nkab (LSAW los yog SSAW) yog siv xwb.
Q: Dab tsi yog qhov kub siab tshaj plaws rau seamless carbon steel yeeb nkab?
A: ASTM A106 Gr. B yog haum rau 425℃(800℃F). Rau qhov kub siab dua, cov qib hlau alloy xws li ASTM A335 P11 (575 degree), P22 (575 degree), lossis P91 (650 degree) yuav tsum.
Q: Qhov txawv ntawm ASTM A106 thiab ASTM A53 seamless yeeb nkab yog dab tsi?
A: ASTM A106 tshwj xeeb yog npaj rau siab - kev pabcuam kub thiab suav nrog cov kev xav tau tshuaj ntxiv (silicon cov ntsiab lus). ASTM A53 npog ob leeg seamless thiab welded yeeb nkab rau kev siv tshuab thiab siab. A106 yog qhov tshwj xeeb tshaj plaws rau cov txheej txheem kav.
Q: Puas yog seamless yeeb nkab xav tau rau kev pabcuam qaub (NACE)?
A: Seamless yeeb nkab yog qhov zoo dua rau NACE MR0175 qhov chaw ua haujlwm qaub vim tias tsis muaj vuam kub- thaj chaw cuam tshuam (HAZ) uas tuaj yeem raug rau sulfide kev ntxhov siab tawg (SSC). Welded yeeb nkab tuaj yeem siv nrog NACE ntxiv- cov txheej txheem vuam thiab kev ntsuas qhov tawv.
Q: Daim Ntawv Qhia Txog Mill Test (MTR) yog dab tsi?
A: Ib qho MTR yog ib daim ntawv pov thawj los ntawm lub zeb uas qhia txog cov tshuaj muaj pes tsawg leeg thiab cov khoom siv hluav taws xob ntawm cov hlau los ntawm cov yeeb nkab uas tau tsim. EN 10204 3.1 MTRs suav nrog cov ntawv pov thawj kev soj ntsuam ywj pheej. Nco ntsoov thov MTRs nrog koj cov yeeb nkab seamless.
11. Vim li cas thiaj xaiv Shuangzhong rau Seamless Steel Yeeb Nkab?
Henan Shuangzhong Intelligent Technology Co., Ltdseamless steel yeeb nkabrau cov neeg siv khoom thoob ntiaj teb hauv North America, Europe, Middle East, thiab Southeast Asia. Peb lub peev xwm muaj xws li:
- Kev Kawm Qib Siab- Carbon steel (A106, A53, API 5L), stainless hlau (A312), thiab hlau alloy (A335 P qib)
- Daim ntawv pov thawj puv- ISO 9001: 2015, API Q1, EN 10204 3.1 MTRs
- Custom Sizes- Tsis yog -txoj kab uas hla thiab teem caij muaj
- Ib -Stop Supply- Cov yeeb nkab, fittings, flanges, thiab fasteners los ntawm ib qhov chaw
- Tus nqi sib tw- Hoobkas- tus nqi ncaj qha tsis muaj tus neeg nruab nrab
- Puas npaj txhij rau qhov chaw seamless steel yeeb nkab? Thov ib daim ntawv tsocaithiab peb pab neeg yuav teb tsis pub dhau 24 teev.
Email:sarah@manufacturerpipe.com
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Muaj feem xyuam:
Stainless hlau yeeb nkab | Carbon Steel Yeeb Nkab | Alloy Steel Yeeb Nkab
