TS EN 10208 Cov Khoom Siv Hluav Taws Xob rau Cov Hluav Taws Xob Hluav Taws Xob
Lus Qhia Tseem Ceeb
TS EN 10208yogTSIS yog cov khoom siv yeeb nkab- nws yog akhoom txheem rau steel phajsiv nyob rau hauv kev tsim cov welded steel kav rau conveyance ntawm combustible kua (roj, roj, thiab lwm yam).
Qhov tseem ceeb Distinction:
TS EN 10208:Qhia meej cov kev xav tau rauhlau daim hlausiv rau hauv kev tsim cov yeeb nkab
Pipe Standards:API 5L, EN 10224, EN 10217 qhia cov kev cai rau covcev tiav
Txawm li cas los xij, seamless yeeb nkab tuaj yeem tsim los ntawm EN 10208-qib steel phaj / billets, feem ntau rau cov qauv yeeb nkab uas siv EN 10208 cov ntaub ntawv.
Standard Structure & Parts
EN 10208 muaj ob ntu rau kev pabcuam sib txawv:
| Ib feem | Title | Daim ntawv thov tseem ceeb |
|---|---|---|
| TS EN 10208-1 | Hlau rau cov raj xa dej rau cov kua dej sib tov - Ntu 1: Kev xav tau rau cov hlau ntawm chav kawm A | Tsis yog-kev pabcuam qaub(tsis muaj H₂S) |
| TS EN 10208-2 | Hlau rau cov kav dej rau cov kua dej uas kub hnyiab tau - Ntu 2: Kev xav tau rau cov hlau ntawm chav kawm B | Kev pabcuam qaub(nrog H₂S) |
Chav Kawm Txuj Ci:
Chav Kawm A:Rau cov txheej txheem hydrocarbon kev pabcuam tsis muaj H₂S tseem ceeb
Chav Kawm B:Rau kev pabcuam qaub nrog cov kev tswj tshwj xeeb los tiv thaiv Hydrogen Induced Cracking (HIC) thiab Sulfide Stress Cracking (SSC)
Qib steel (raws li qhov tsawg kawg nkaus tawm lub zog)
| Qib Qib | Yam tsawg kawg nkaus tawm los (ReH), MPa | Kev siv yam | Sib piv API 5L Qib |
|---|---|---|---|
| L 245 | 245 | Tsis tshua muaj siab sib sau kab | X42 |
| L 290 | 290 | General kis tau tus mob | X42/X46 |
| L 320 | 320 | Cov kab nruab nrab siab | X46 |
| L 360 | 360 | Qib kis tau tus mob | X52 |
| L 390 | 390 | Siab zog kab | X56 |
| L 415 | 415 | Cov kab siab siab | X60 |
| L 450 | 450 | High zog kab | X65 |
| L 485 | 485 | Muaj zog heev | X70 |
| L 555 | 555 | Ultra siab zog | X80 |
Nomenclature:
L= Kab yeeb nkab
Tus lej= Tsawg tshaj tawm lub zog hauv MPa
Chemical Composition Requirements
Qhov tseem ceeb sib txawv ntawm General Pressure Steel:
Carbon Equivalent (CE) Tswj:Kev txwv nruj rau weldability
CEIIW=C+Mn6+Cr+Mo+V5+Ni+Cu15CEIIW=C+6Mn+5Cr+Mo+V+15Ni+Cu
Kev txwv sib txawv los ntawm qib zog thiab phab ntsa thickness
Class B (Sour Service) Specifications:
Stricter Sulfur Control:Feem ntau Tsawg dua lossis sib npaug rau 0.002% (20 ppm)
Calcium Kev Kho Mob:Rau suav nrog kev tswj cov duab
Phosphorus Limits:Feem ntau Tsawg dua lossis sib npaug li 0.015%
Tshwj xeeb Carbon Equivalent Limits:Kev txwv ntau dua li Class A
Microalloying:Tswj kev ntxiv ntawm Nb, V, Ti rau lub zog thiab toughness
Cov txheej txheem tsim khoom yuav tsum tau ua
Rau EN 10208 Steel Phaj / Billets:
Hlau Ua:Basic oxygen los yog hluav taws xob arc rauv
Secondary Refining:Ladle kho (LF, VD, RH) kom huv si
Nruam Casting:Nrog electromagnetic stirring rau homogeneity
Thermomechanical Txheej Txheem:Tswj dov (TMCP) lossis quenching & tempering (Q&T)
Kev kuaj:Extensive mechanical thiab tshuaj ntsuam xyuas
Rau Seamless Yeeb Nkab los ntawm EN 10208 Khoom siv:
Kev npaj Billet:Los ntawm EN 10208-raws li steel
Piercing:Mannesmann los yog extrusion txheej txheem
Kub Rolling / Sizing:Rau qhov kawg qhov ntev
Kev kho cua sov:Normalizing los yog quenching & tempering
Kev kuaj:Raws li tus qauv siv tau (API 5L, EN 10224, thiab lwm yam)
Kev xeem yuav tsum tau ua rau EN 10208 Steel
Yuav tsum xeem:
| Kuaj | EN Txuj | Lub hom phiaj |
|---|---|---|
| Tensile Test | TS EN ISO 6892-1: 1 | Txheeb xyuas lub zog thiab ductility |
| Charpy Impact | TS EN ISO 148-1 | Fracture toughness xyuas |
| Tee Weight Tear Test | TS EN 10274 | Fracture propagation kuj |
| Hardness Test | TS EN ISO 6506-1 | HIC/SSC resistance indicator |
| HIC Test | NACE TM0284 (rau Class B) | Hydrogen induced cracking kuj |
| SSC Test | NACE TM0177 (rau chav B) | Sulfide stress cracking kuj |
Cov Lus Qhia Tshwj Xeeb rau Chav B (Sour Service):
HIC Test:Txoj Kev A, Kev daws A, 96h raug
Kev lees txais: CLR Tsawg dua lossis sib npaug li 15%, CTR Tsawg dua lossis sib npaug li 5%, CSR Tsawg dua lossis sib npaug li 2%
SSC Test:Txoj Kev A (tensile), 720h raug ntawm qhov ntsuas kev ntxhov siab
Hardness txwv:Feem ntau Tsawg dua lossis sib npaug rau 248 HB (22 HRC)
Tej kev siv
Raws li Qib:
| Qib | Daim Ntawv Thov Pipeline |
|---|---|
| L 245 - L 320 | Sib sau ua ke, faib network |
| L 360 - L 415 | Cov kab txuas tseem ceeb, hla - lub teb chaws cov kav dej |
| L 450 - L 485 | Kev kub siab kis tau tus mob, offshore pipelines |
| L 555 | Ultra-kev kub siab, arctic, lossis dej tob |
Kev Pabcuam:
Kub:Ambient mus rau nruab nrab (feem ntau -10℃txog 60 degree)
Siab:Los ntawm qis (sib sau) mus rau siab heev ( kis tau tus mob )
Ib puag ncig:Onshore, offshore, subsea, arctic
Cov kua dej:Natural gas, roj crude, refined khoom
Kev sib piv nrog API 5L
| Parameter | TS EN 10208 | API 5L |
|---|---|---|
| Ua kom pom tseeb | Cov khoom siv hlau xav tau | Cov kav dej tiav lawm |
| Sour Service | Chav B nrog cov kev xeem tshwj xeeb | PSL2 nrog yeem HIC/SSC |
| Qib System | L-XXX (raws li cov txiaj ntsig hauv MPa) | X-XX (raws li yield hauv ksi) |
| CE Formula | Siv CEIIWCEIIW | Siv PcmPcm rau weldability |
| Kev siv European | Txheem rau EU pipelines | Siv thoob ntiaj teb, suav nrog EU |
| Kev Ntsuas Ntsuas | Cov khoom siv, HIC / SSC | Cov yeeb nkab qhov ntev, hydrostatic, weld kev ncaj ncees |
Seamless Pipe Manufacturing Standards siv EN 10208 Steel
Thaum EN 10208 steel yog siv rau seamless yeeb nkab ntau lawm, cov yeeb nkab yog tsim rau:
Cov Qauv Tseem Ceeb:
TS EN 10224:Tube thiab fittings rau pipelines rau conveying dej thiab lwm yam dej aqueous kua
API 5L:Kab yeeb nkab (nrog EN 10208 raws li cov khoom siv tau txais)
TS EN 10208-2 Cov dej num hais txog:Rau qhov kev pabcuam qaub pipelines
Hom Specification Chain:
ntawv nyeem
Steel Ntau Lawm: EN 10208-2 L 450 MB (Class B, TMCP) ↓ Pipe Manufacturing: API 5L PSL2 X65 SMLS ↓ Cov khoom kawg: Seamless yeeb nkab ntsib ob qho tib si khoom thiab cov qauv khoom
Cov ntaub ntawv pov thawj & Traceability
Cov ntaub ntawv xav tau:
EN 10204 3.2 Daim ntawv pov thawj:Rau txhua lub tshav kub / phaj
Tshuaj ntsuam xyuas:Daim ntawv qhia tag nrho spectrochemical
Mechanical Tests:Tensile, cuam tshuam, hardness, DWTT
HIC/SSC Reports:Rau cov khoom siv hauv chav kawm B (yog muaj)
Microstructure Examination:Cov qoob loo loj, suav nrog kev ntsuas
Cov ntaub ntawv kho cua sov:Rau TMCP lossis Q&T cov ntaub ntawv
Marking on Phaj / Billets:
Tus neeg tsim khoom kev txheeb xyuas
EN 10208 (nrog rau Chav Kawm)
Qib (piv txwv li, L 450 MB)
Kub naj npawb
Phaj qhov ntev
Kev tshuaj ntsuam xyuas
Tsim & Engineering Considerations
Qhov tseem ceeb Parameter:
Tsim Factor:Feem ntau 0.72 rau onshore, 0.60-0.72 rau offshore
Safety Factor:Raws li qhov chaw nyob hauv chav kawm (population density)
Corrosion Allowance:Feem ntau 1-3 hli nyob ntawm kev pabcuam
Weldability:Tswj los ntawm Carbon Equivalent txwv
Kev Tswj Fracture:Raws li Charpy thiab DWTT cov txiaj ntsig
Rau Sour Service (Class B):
Qhov siab tshaj plaws hardness txwv thoob plaws HAZ
Weld txheej txheem tsim nyog nrog SSC xeem
Tshaj tawm -welding kev kho cua sov xav txog
Tshwj xeeb muab tub lim hlau yuav tsum
Kev Tswj Xyuas Qhov Chaw Ua Haujlwm Zoo
Rau EN 10208 Steel Production:
Kev huv huv:Tsawg sulfur, tswj kev suav nrog
Homogeneity:Uniform chemistry thiab cov khoom
Microstructure:Fine grain, uniform theem faib
Nto Zoo:Tsis muaj qhov tsis xws luag uas tuaj yeem pib tawg
Kev tsim cov yeeb nkab los ntawm EN 10208:
Txoj Kev Zoo:Tsis muaj qhov tsis xws luag los ntawm kev ua
Kev kho cua sov:Zoo normalization lossis Q&T
Dimensional Control:Tshwj xeeb yog phab ntsa thickness uniformity
NDT:Ultrasonic kuaj rau laminations thiab suav nrog
Ordering Information for Steel (Tsis yog yeeb nkab)
Daim ntawv qhia tshwj xeeb rau EN 10208 Steel:
ntawv nyeem
Cov khoom siv rau EN 10208-2 Qib: L 450 MB Chav Kawm: B (kev pabcuam qaub) Kev xa khoom: TMCP lossis Q Qhov Loj: [thickness] × [dav] × [ntev] mm Quantity: [hnyav hauv kg lossis pieces] Cov kev xav tau ntxiv: HIC / SSC kuaj, tshwj xeeb CE txwv, thiab lwm yam.
Rau cov yeeb nkab ua los ntawm EN 10208 Steel:
ntawv nyeem
Seamless yeeb nkab rau API 5L PSL2 / EN 10224 Khoom siv: EN 10208-2 L 450 MB Qib: X65 Dimensions: OD [mm] × WT [mm] × L [mm] Quantity: [meters lossis pieces] Ntxiv: Charpy cuam tshuam ntawm [temperature], tag nrho NDE, thiab lwm yam.
Kev Lag Luam Siv & Kev Lag Luam Txoj Haujlwm
European Pipeline Projects:
Standard Khoom:Rau loj European pipeline tej yaam num
Txoj Cai Ua Raws Cai:Ua tau raws li EU cov cai tswj kev nyab xeeb
Kev Pom Zoo:High -cov ntaub ntawv zoo, raug kuaj nruj heev
Cov neeg siv loj:European transmission system operators (TSO)
Ntiaj teb no tej yaam num:
Siv nyob rau hauv tej yaam num nrog European engineering / qauv
Feem ntau teev nrog API 5L rau cov haujlwm thoob ntiaj teb
Tshwj xeeb tshaj yog muaj nuj nqis rau cov ntawv thov kev pabcuam qaub
Nqe hauj lwm:
Chav Kawm A:Piv rau API 5L PSL2
Chav Kawm B:Hwm ntawm 20-40% rau kev pabcuam qaub
Cov qauv sib npaug & sib piv
| EN 10208 Qib | API 5L sib npaug | ISO 3183 Sib npaug |
|---|---|---|
| L 245 | X42 | L245 |
| L 290 | X42/X46 | L290 |
| L 360 | X52 | L360 |
| L 415 | X60 | L415 |
| L 450 | X65 | L450 |
| L 485 | X70 | L485 |
| L 555 | X80 | L555 |
Technical Summary
TS EN 10208yog acov khoom tseem ceeb specificationrau steel siv nyob rau hauv pipeline tsim, tshwj xeeb tshaj yog nyob rau hauv cov teb chaws Europe. Nws cov txiaj ntsig tseem ceeb yog:
Rau General Service (Class A):
Tswj Chemistry:Rau qhov zoo tshaj plaws weldability thiab toughness
Kev ntsuas zog:Raws li qhov tsawg kawg nkaus yield zog
Quality Assurance:Cov kev xav tau kev xeem
Rau Sour Service (Class B):
HIC/SSC Resistance:Tshwj xeeb tsim los rau ntub H₂S kev pabcuam
Ultra-Clean Steel:Tsis tshua muaj sulfur thiab tswj kev suav nrog
Pov thawj Performance:Kev ntsuas dav dav ua rau muaj peev xwm ua haujlwm qaub
Qhov tseem ceeb Distinctions:
EN 10208 ≠ Tube:Nws qhia cov khoom siv hlau, tsis yog cov yeeb nkab tiav
Seamless Yeeb Nkab Daim Ntawv Thov:EN 10208 steel yuav siv tau rau seamless yeeb nkab, tab sis cov yeeb nkab nws tus kheej yuav tsum tau raws li tus qauv cov khoom siv yeeb nkab
European Focus:Feem ntau siv hauv EU, tab sis lees paub thoob ntiaj teb
Sour Service Expertise:Cov ntaub ntawv hauv chav kawm B sawv cev rau lub xeev - ntawm - - kos duab rau H₂S kev pabcuam
Thaum twg los qhia EN 10208:
European Pipeline Projects:Qhov twg EU cov qauv yuav tsum tau ua
Sour Service Applications:Class B cov ntaub ntawv rau H₂S- muaj cov kua dej
High -Quality Requirements:Qhov twg yuav tsum tau kuaj cov khoom siv dav
Projects nrog European Engineering:Qhov twg cov ntaub ntawv traceability thiab cov ntaub ntawv tseem ceeb heev
Rau seamless yeeb nkab ntau lawm, EN 10208 steel feem ntau yog tsim rau hauv cov yeeb nkab raws liAPI 5Llos yogTS EN 10224, nrog rau EN 10208 specification muab cov khoom zoo hauv paus.
Nco ntsoov: Nco ntsoov sab laj nrog cov kws tsim hluav taws xob thiab cov khoom siv tshwj xeeb thaum xaiv cov khoom siv rau cov kev pabcuam tshwj xeeb, tshwj xeeb tshaj yog rau kev pabcuam qaub lossis lwm qhov chaw nyuaj.
