GB/T 9711.1 Kauv Submerged Arc Welded Steel Yeeb Nkab - Daim Ntawv Qhia Kev Qhia

1. Standard Overview - TAM SIM NO YUAV TSUM TAU

GB/T 9711.1-2019yog tseebLUBthawj Suav teb tus qauv rau kauv submerged arc welded (SSAW / HSAW) steel kav siv nyob rau hauv cov roj thiab roj pipeline tsheb thauj mus los. Qhov no yog tus qauv uas koj tau nrhiav.

Cov ntsiab lus tseem ceeb:

Full Title:"Petroleum thiab natural gas industries - Cov yeeb nkab steel rau kev thauj mus los hauv cov kav dej - Ntu 1: Cov kav dej rau sab nrauv thiab sab nrauv" (yav tas los GB/T 9711-2017)

Sib npaug rau:ISO 3183: 2019 API 5L (zoo ib yam tab sis tsis zoo ib yam)

xwm txheej:Yuav tsum tau lub teb chaws tus qauv hauv Suav teb

Scope:Npog SSAW, LSAW, ERW, thiab seamless kav rau cov kav dej

2. Cov qauv qauv thiab cov khoom siv

Table 1: GB/T 9711 Series Structure

PSL=Khoom Specification Level(Tus lej siab dua=qhov yuav tsum tau nruj dua)

3. SSAW-Cov Lus Qhia Tshwj Xeeb hauv GB/T 9711.1

3.1 Manufacturing Process txhais

SSAW/HSAW:Kauv / helical submerged arc welded yeeb nkab

Txheej txheem:Kub- dov steel sawb / phaj tsim rau hauv kauv, welded nrog submerged arc txheej txheem

Weld Configuration:Muab ob npaug rau-sab weld (sab hauv thiab sab nraud)

Table 2: SSAW txheej txheem yuav tsum tau

4. Steel Qib thiab kev faib tawm

Table 3: Standard Qib rau SSAW Pipes

Nco tseg:"N"=Ib txwm xav tau, "B"=Cov kev xav tau siab dua

Table 4: Qib Suffixes thiab Requirements

5. Cov Lus Qhia Tshwj Xeeb rau SSAW Pipes

5.1 Tshuaj muaj pes tsawg leeg

Table 5: Cov Khoom Siv Tshuaj (Piv txwv: L360NB)

CE Formula:CE=C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15
Pcm Formula:Pcm=C + Si/30 + Mn/20 + Cu/20 + Ni/60 + Cr/20 + Mo/15 + V/10 + 5B

5.2 Mechanical Properties

Table 6: Mechanical Requirements rau SSAW

6. Dimensional Specifications

Table 7: SSAW Pipe Size Range

Table 8: Feem ntau SSAW Sizes rau cov kav dej

7. Tsis yog -Kev Ntsuas Kev Ua Phem

Table 9: Yuav Tsum NDT rau SSAW Pipes

Table 10: Kev lees txais tsis raug

8. Kev Ntsuas Hydrostatic

Table 11: Hydrostatic Test Requirements

Test Pressure Formula:P=2 × f × t × SMYS / D
Qhov twg: P=ntsuas siab, f=yam (0.90-0.95), t=phab ntsa thickness, D=OD

9. Cov Lus Qhia Tshwj Xeeb rau SSAW

9.1 Sour Service Requirements (HIC/SSC)

Rau cov kav dej siv hauv H₂S- muaj ib puag ncig:

Table 12: Sour Service Requirements

9.2 Cov Kev Cai Kub Kub Tsawg

Table 13: Impact Test Temperatures

10. Cov ntaub ntawv zoo thiab traceability

Table 14: Cov ntaub ntawv xav tau

11. Cov Lus Cog Tseg

Txhua SSAW yeeb nkab yuav tsum tau cim tas mus li nrog:

Table 15: Yuav Tsum Ua Cov Cim

12. Sib piv nrog lwm cov qauv

Table 16: GB/T 9711.1 vs API 5L vs EN 10208-2

13. Yam khoom Specification piv txwv

Ua kom tiav SSAW Pipe Specification:

specification

STEEL PIPE FOR PIPELINE SYSTEM 1. STANDARD: GB/T 9711.1-2019 (PSL 2) 2. MANUFACTURING: Spiral Submerged Arc Welded (SSAW/HSAW) 3. QIB: L415MB4.1 mm (rau kev pabcuam qaub) 15.9 mm WT × 12.2 m Length 5. QUANTITY: 5000 meters (kwv yees. 136 kav) 6. TSEEM CEEB: - Tsim Siab: 10.0 MPa - Tsim Kub: {{21} {{18} degree} H₂S ib nrab siab > 0.0003 MPa - Qhov chaw: Offshore pipeline 7. TESTING: - 100% Radiographic Testing of weld - 100% Ultrasonic Testing of weld - Hydrostatic test to 90% SMYS yam tsawg kawg nkaus - TM STC per NACE 7} Txoj Kev A - Charpy Impact ntawm -5℃8. DOCUMENTATION: - Mill Test Certificate 3.1 per EN 10204 - Thib peb yuav tsum tau soj ntsuam - Ua kom tiav cov ntaub ntawv taug qab

14. Kev Lag Luam Zoo Tshaj Plaws rau SSAW

Manufacturing Controls:

Raw Khoom:Siv TMCP daim hlau rau cov khoom zoo dua

Kev tsim:Tswj lub kaum ntse ntse (feem ntau 45-70 degree)

Vuam:Optimize parameters rau txhua thickness

Kev tshuaj xyuas:Tiag - lub sij hawm saib xyuas thaum vuam

Kev kuaj:Automated NDT systems rau kev sib xws

Quality Assurance:

Kev tshuaj xyuas:Kev tshawb xyuas zeb tsis tu ncua los ntawm cov neeg ua haujlwm tsim nyog

Ua tim khawv:Kev ntsuam xyuas tseem ceeb los ntawm cov neeg siv khoom

Ntawv pov thawj:Mill daim ntawv pov thawj rau ISO 9001, API Q1

Cov ntaub ntawv:Ua kom tiav cov ntaub ntawv digital rau traceability

Shipping:Kev tiv thaiv zoo tiv thaiv kev puas tsuaj

15. Qhov zoo ntawm GB/T 9711.1 SSAW Pipes

Table 17: Cov txiaj ntsig thiab kev siv

16. Kev txwv thiab kev txiav txim siab

Kauv Weld Geometry:Tej zaum yuav muaj cov qauv kev ntxhov siab sib txawv dua li qhov ntev

Kho qhov txwv:Weld kho ntau dua li LSAW

Kev npaj kawg:Tej zaum yuav xav tau cov cuab yeej tshwj xeeb beveling

Daim ntawv thov txheej:Kauv weld hlaws tuaj yeem cuam tshuam rau daim ntawv thov txheej

17. Kev txhim kho txuj ci tsis ntev los no

Kev nce qib hauv SSAW Technology:

JCOE-type SSAW:Txhim kho txoj kev tsim technology

Automated Vuam:Robotic systems rau kev sib xws

NDT Advances:Phase array UT, digital radiography

Kev txhim kho khoom siv:X80 / X100 qib muaj peev xwm

Kev Pab Cuam:Txhim khu kev tiv thaiv los ntawm TMCP

Yav tom ntej Trends:

Qib Siab:Kev tsim kho ntawm X120 muaj peev xwm

Digital Twins:Kev tsim cov txheej txheem simulation

Cov kav dej ntse:Integrated saib xyuas sensors

Ib puag ncig:Txo cov txheej txheem carbon hneev taw

Cov ntsiab lus thiab cov lus pom zoo

Cov ntsiab lus tseem ceeb:

GB / T 9711.1 yog tus qauv raugrau SSAW kav hauv Suav teb

Raws li ISO 3183thiab zoo ib yam li API 5L

Kev xav taurau roj thiab roj pipelines

SSAW txheej txheem muaj peev xwm ua tiavrau tag nrho cov chav kawm siab

Kev qhia tshwj xeeb yog qhov tseem ceebrau qhov project ua tiav

Cov lus pom zoo kawg:

Ib txwm qhiaGB/T 9711.1(tsis laus GB/T 9711)

Qhia meej meejPSL qib(2 yog qhov zoo rau cov kav dej)

Qhiaqib nrog suffix(piv txwv li, L415MB rau kev pabcuam qaub)

suav nrogtag nrho cov kev cai tshwj xeeb(kub, kev pabcuam qaub, thiab lwm yam)

Xav tauthib peb- tog tshuaj ntsuam xyuasrau tej yaam num tseem ceeb

Xyuas kom meejua kom tiav cov ntaub ntawvthiab traceability

Cov qauv no sawv cev rau ntiaj teb-chav kawm zoo rau SSAW cov kav dej kav dej thiab tau txais txiaj ntsig zoo rau thoob ntiaj teb cov haujlwm roj thiab roj thaum teev thiab tshuaj xyuas kom raug.