GB/T 13793 Kauv Submerged Arc Welded Steel Yeeb Nkab - Cov Lus Qhia thiab Cov Lus Qhia
1. Kev piav qhia tseem ceeb: Scope yuam kev
Kev kho tseem ceeb: GB/T 13793yogTSIS TAUtus qauv rau kauv submerged arc welded (SSAW) kav. Tus qauv lub npe tiag tiag yog:
GB / T 13793-2016 "Ncaj seam hluav taws xob tsis kam welded steel kav"
Cov txheej txheem no tsuas yog npogncaj seam hluav taws xob kuj welded (ERW) steel kavthiabqhia meej meejtag nrho cov submerged arc welded kav (ob leeg longitudinal thiab kauv).
Dab tsi GB / T 13793 Tiag npog:
Electric Resistance Welded (ERW) kav nkaus xwb- nrog ncaj longitudinal seam
Txias- tsimlos ntawm steel sawb los yog ntawv
Kev siv qis rau nruab nrab siab
Tsis muaj submerged arc vuamntawm txhua yam yog suav nrog
2. Cov qauv raug rau SSAW Cov kav dej hauv Suav teb
Yog hais tias koj xav tau specifications rauKauv Submerged Arc Welded (SSAW/HSAW) Pipes, ntawm no yog cov qauv Suav raug:
Table 1: Suav Standards rau SSAW Pipes
| Standard Number | Full Title | Daim ntawv thov | Ntsiab nta |
|---|---|---|---|
| GB/T 9711-2017 | Petroleum thiab natural gas industries - Cov yeeb nkab steel rau kev thauj mus los hauv cov kav dej | Siab - cov roj thiab cov kav dej siab | Sib npaug rau API 5L / ISO 3183 |
| SY/T 5037-2012 | Kauv submerged arc welded steel yeeb nkab rau cov dej tsis tshua muaj siab | Dej, roj, dej | Tsawg- cov ntawv thov siab |
| SY/T 5040-2012 | Pile tsav kauv welded steel kav | Foundation piling | Kev siv cov qauv |
| GB/T 14291-2016 | Mine welded steel yeeb nkab rau cov kua kis tau tus mob | Kev siv mining | Ntau yam txheej txheem vuam |
Nco tseg:GB / T 9711 yog tus qauv zoo tshaj plaws rau SSAW pipelines hauv Suav teb, tag nrho sib npaug rau cov qauv thoob ntiaj teb.
3. GB/T 13793 Cov ntsiab lus tseeb (Rau Siv)
Txij li thaum koj nug txog GB / T 13793, ntawm no yog nws qhov tseeb specifications:
Table 2: GB/T 13793 Scope & Key Parameters
| Parameter | Specification |
|---|---|
| Lub npe txheem | Ncaj seam hluav taws xob kuj welded steel kav |
| Tsab ntawv | GB/T 13793-2016 (Tam sim no) |
| Vuam txheej txheem | Electric Resistance Vuam (ERW) nkaus xwb |
| Seam Hom | Ncaj longitudinal seam |
| Txoj kev tsim | Txias txoj kev los ntawm sawb / ntawv |
| Cov txheej txheem tsis suav nrog | Tag nrho cov submerged arc vuam, kauv vuam |
| Daim ntawv thov | Tsawg-cov kua xa tawm, cov qauv, cov tshuab |
Table 3: Qib Steel hauv GB / T 13793
| Qib | Yield zog (min, MPa) | Tensile zog (MPa) | Elongation (min,%) | Daim ntawv thov |
|---|---|---|---|---|
| Q195 | 195 | 315-430 | 22 | Tsawg siab |
| Q215A | 215 | 335-450 | 22 | Tsawg siab |
| Q215B | 215 | 335-450 | 22 | Tsawg siab |
| Q235A | 235 | 370-500 | 20 | Lub hom phiaj dav dav |
| Q235B | 235 | 370-500 | 20 | Lub hom phiaj dav dav |
| Q235C | 235 | 370-500 | 20 | Txhim kho toughness |
| Q235D | 235 | 370-500 | 20 | Tsawg kub |
| Q275A | 275 | 410-540 | 18 | Siab zog |
| Q275B | 275 | 410-540 | 18 | Siab zog |
| Q275C | 275 | 410-540 | 18 | Siab zog |
| Q295A | 295 | 390-620 | 18 | Siab zog |
| Q295B | 295 | 390-620 | 18 | Siab zog |
| Q345A | 345 | 470-630 | 19 | Siab zog |
| Q345B | 345 | 470-630 | 19 | Siab zog |
| Q345C | 345 | 470-630 | 19 | Siab zog |
Table 4: Qhov Loj (GB/T 13793)
| Dimension | Ntau yam | Hom Kev Tsim Kho |
|---|---|---|
| Sab nraud txoj kab uas hla | 6mm - 630 hli | DN15-DN600 |
| Phab ntsa Thickness | 0.5 hli - 14.0mm | 0.5-8.0mm ntau |
| Ntev | 4-12 m | Random lossis tsau ntev |
4. Cov txheej txheem tsim khoom sib piv: ERW vs SSAW
Table 5: Qhov txawv ntawm qhov tseem ceeb
| Yam ntxwv | GB/T 13793 (ERW) | SSAW (GB/T 9711/SY/T 5037) |
|---|---|---|
| Weld txheej txheem | Hluav taws xob tsis kam (tsis muaj muab tub lim) | Submerged arc (xaim + flux) |
| Seam Hom | Ncaj longitudinal | Helical / kauv |
| tsim | Txias yob txoj kev | Kub / txias kauv sib sau |
| Weld Zoo | Muaj peev xwm tsis muaj fusion | Tag nrho kev nkag mus, siab zoo |
| Qhov Loj | Me me mus rau nruab nrab txoj kab uas hla | Loj txoj kab uas hla (Ntau dua lossis sib npaug rau 219mm raug) |
| Phab ntsa Thickness | Nyias mus rau nruab nrab | Nruab nrab mus rau tuab |
| Ntau lawm ceev | Siab heev | Nruab nrab |
| Nqi Factor | qis | Kev sib tw rau cov kab loj loj |
| Kev ntsuas siab | Tsawg mus rau nruab nrab | Nruab nrab mus rau siab |
5. Daim ntawv thov sib piv
Table 6: Cov ntawv thov ib txwm
| Daim ntawv thov | GB/T 13793 (ERW) | SSAW Pipes |
|---|---|---|
| Kev Siv Dej | ✓ (tsis tshua muaj siab) | ✓ (Txhua yam kev ntxhov siab) |
| Gas Distribution | ✓ (tsis tshua muaj siab) | ✓ (Kev xa tawm) |
| Cov kav dej | ✗ (Tsis pom zoo) | ✓ (Kev siv thawj zaug) |
| Cov qauv tsim | ✓ (Cov qauv teeb pom kev zoo) | ✓ (Cov qauv hnyav) |
| Piling | ✗ | ✓ (Tshwj xeeb) |
| Neeg kho tshuab | ✓ | Txwv tsis pub |
| Siab Siab | ✗ | ✓ |
| Tsawg kub | Txwv tsis pub | ✓ (qib tshwj xeeb) |
6. Kev sib piv zoo & kev sim
Table 7: Cov Kev Xeem Xeem
| Kuaj | GB/T 13793 (ERW) | GB/T 9711 (SSAW) |
|---|---|---|
| Hydrostatic | Yuav tsum tau (P=2St/D) | Yuav Tsum Tau (Ntau dua lossis sib npaug rau 90% SMYS) |
| flattening | Yuav tsum tau D Tsawg dua lossis sib npaug rau 406mm | Yuav tsum tau |
| Flaring | Yuav tsum muaj rau qee qhov ntau thiab tsawg | Tsis xav tau |
| Tensile | Kev kuaj batch | Txhua lub tshav kub/batch |
| NDT on Weld | Yeem xaiv / pom | 100% RT lossis AUT yuav tsum tau |
| Ultrasonic | Rau phab ntsa thickness check | Rau weld thiab lub cev |
| Impact Test | Rau tej qib xwb | Yuav tsum tau rau txhua tus |
| Hardness | Tsis xav tau | Feem ntau yuav tsum tau |
| Tshuaj | Batch hauv paus | Txhua qhov kub |
7. Yuav ua li cas kom raug SSAW Pipes
Rau kev siv sib txawv:
1. Roj & Roj Kis:
specification
Txuj: GB / T 9711-2017 (PSL2) Kev Tsim Khoom: Kauv Submerged Arc Welded (SSAW) Qib: L245NB, L360NB, L415NB, L450NB, thiab lwm yam. Khoom ntxiv: Qhia kom meej yog qhov kev pabcuam qaub, offshore, tsis kub
2. Kev xa dej:
specification
Txuj: SY/T 5037-2012 Chaw tsim khoom: Kauv Submerged Arc Welded Qib: Q235B, Q345B, thiab lwm yam. Siab: Qhia qhov tsim siab tsawg dua lossis sib npaug rau 2.5MPa feem ntau
3. Qauv / Piling:
specification
Txheem: SY/T 5040-2012 (rau piling) los yog GB / T 3091 (rau cov qauv, tab sis nco ntsoov: tsis SSAW) Chaw tsim tshuaj paus: Kauv Submerged Arc Welded
Yam Lus:
ntawv nyeem
TSHUAJ TIV THAIV: "Spiral submerged arc welded yeeb nkab raws li GB / T 9711-2017, PSL2, qib L360NB" INCORRECT: "GB/T 13793 kauv welded yeeb nkab" (Cov ntsiab lus tsis sib haum)
8. Kev Paub Txog Kev Lag Luam: Vim li cas thiaj tsis meej pem
Ntau yam ua rau tsis meej pem ntawm cov qauv no:
Keeb kwm Evolution:
Cov txheej txheem qub Suav tau dav dua
Cov qauv niaj hnub no tshwj xeeb dua
Qee cov tuam txhab lag luam tseem siv cov lus qub qub
Kev ua lag luam Factors:
SSAW technology tau hloov zuj zus
ERW kav dej ua lag luam me me
Mislabeling tshwm sim hauv kev lag luam kev sib tw
Technical Similarities:
Ob leeg yog welded steel kav
Qee cov kev siv sib tshooj
Zoo li sab nrauv zoo li qhov muag tsis tau kawm
Cov teeb meem kev txhais lus:
"Electric resistance welded" vs "submerged arc welded"
"Straight seam" vs "kauv seam"
Sib txawv technical dictionaries
9. Qhov tseem ceeb Technical Distinctions
Weld Quality Sib txawv:
ERW (GB/T 13793):
Fusion tshwm sim los ntawm hluav taws xob tiv thaiv cua sov
Tsis muaj cov hlau muab tub lim ntxiv
Muaj peev xwm ua kom tsis tiav fusion defects
Thaum tshav kub kub- thaj tsam cuam tshuam yog nqaim
SSAW:
Siv cov hlau electrode nruam thiab granular flux
Kev nkag mus tob, puv fusion
Ob -sab vuam (sab hauv thiab sab nraud)
Superior mechanical zog
Txheej Txheem:
ERW:Strip yog nce zuj zus los ntawm yob stands rau hauv daim duab
SSAW:Phaj / coil yog khoov rau hauv kauv / helical zoo thaum vuam
Khoom siv:
ERW:Feem ntau siv cov ntaub ntawv thinner (0.5-14mm)
SSAW:Yuav siv cov phaj tuab (6-25mm +)
10. Cov lus pom zoo
Rau Engineers/Specifiers:
Txoj kab uas hla -Kev xaiv raws li:
< 16 inches (406mm):Xav txog ERW (GB/T 13793) lossis LSAW
Ntau dua lossis sib npaug li 16 ntiv tes (406mm):Xav txog SSAW (GB/T 9711/SY/T 5037)
Siab-Kev xaiv raws li:
< 2.0 MPa:ERW tuaj yeem tsim nyog
Ntau dua lossis sib npaug rau 2.0 MPa:SSAW lossis LSAW pom zoo
Kev kub siab / kis tau tus mob:Tsuas yog SSAW/LSAW xwb
Criticality-Raws li:
Tsis yog - tseem ceeb:ERW tau txais
Critical/hazardous:SSAW nrog NDT tag nrho
Offshore / subsea:Tsuas yog siab - zoo SSAW
Daim Ntawv Pov Thawj Zoo:
Txheeb xyuas tus lej tus lej sib tw yam khoom
Tshawb xyuas cov txheej txheem tsim khoom ntawm daim ntawv pov thawj
Paub meej NDT txoj kev thiab kev pab them nqi
Validate hydrostatic test siab
Tshawb xyuas cov khoom siv tshuaj thiab cov khoom siv kho tshuab
Tshawb xyuas cov yeeb nkab cim raws li kev qhia tshwj xeeb
11. Kev Lag Luam Kev Lag Luam
Tam sim no Suav Lag Luam:
ERW Pipes (GB/T 13793):
Dominant nyob rau hauv me me - nruab nrab txoj kab uas hla dej/gas
60% + kev lag luam sib faib rau txoj kab uas hla <500mm
Kev sib tw nqi
SSAW Pipes:
Dominant nyob rau hauv loj txoj kab uas hla pipelines
Loj hlob nyob rau hauv nruab nrab txoj kab uas hla ntu
Kev txhim kho zoo kaw qhov sib txawv nrog LSAW
Kev Txhim Kho Zoo:
GB/T 13793: Qhov zoo tshaj plaws rau kev siv tsis yog -tseem ceeb
SY/T 5037: Qhov nruab nrab zoo rau qis- siab
GB / T 9711: Cov khoom zoo sib xws thoob ntiaj teb cov qauv
Cov ntsiab lus xaus
GB/T 13793 ≠ SSAW Standard
Nws tsuas yog rau cov kav dej ncaj nraim ERW
Tsis muaj kauv vuam lossis submerged arc vuam
Kev siv qis dua
True SSAW Standards:
GB/T 9711:Siab - roj / roj (API 5L sib npaug)
SY/T 5037:Tsawg- cov kua dej siab
SY/T 5040:Daim ntawv thov kev sib tsoo
Kev Taw Qhia Xaiv:
Txoj kab uas hla me me, tsis tshua muaj siab:GB/T 13793 ES
Loj txoj kab uas hla, txhua qhov siab:SSAW
Kev pabcuam tseem ceeb:Ib txwm SSAW (GB/T 9711)
Kev lees paub yog qhov tseem ceeb:
Nco ntsoov xyuas tus txheej txheem lub peev xwm
Txheeb xyuas cov txheej txheem tsim khoom
Yuav tsum tau ntawv pov thawj kom raug
Xav txog qhov thib peb -kev tshuaj ntsuam xyuas rau cov ntawv thov tseem ceeb
Kev Pom Zoo Kawg:Rau txhua daim ntawv thov pipeline xav tau muab kauv submerged arc welded yeeb nkab, qhia meejGB/T 9711-2017raws li nws muab cov qib siab tshaj plaws sib npaug rau cov qauv thoob ntiaj teb xws li API 5L thiab ISO 3183.
