GB/T 3091 Kauv Submerged Arc Welded (SSAW) yeeb nkab
GB/T 3091yog Suav lub teb chaws tus qauv npe"Welded steel kav rau qis-cov kua xa tawm". Cov qauv no qhia meej meej suav nrog cov kauv submerged arc welded (SSAW / HSAW) cov kav dej thiab ua haujlwm raws li cov kev qhia tshwj xeeb rau lawv qhov chaw tsim khoom, tshuaj xyuas, thiab xa khoom.
📋 Standard Overview
| Yam ntxwv | Kev piav qhia |
|---|---|
| Standard Number | GB/T 3091 |
| Tseeb Version | GB/T 3091-2025, siv tau los ntawmLub Kaum Hli 1, 2025[qhia: 2, citation: 4]. Tam sim no version yogGB/T 3091-2015[Citation: 1, Citation: 3]. |
| Full Title | "Welded steel kav rau qis-kev xa cov kua dej" [citation: 1, citation: 3, citation: 4] |
| Scope | Qhia meej txog cov kev xav tau ntawm cov kav hlau welded steel siv los xa cov khoom siv qis qis xws li dej, cua, roj, chav, thiab rau lwm yam xws li cov qauv thiab cua sov [citation: 3, citation: 4]. |
| Hom yeeb nkab | suav nrogkauv submerged arc welded (SSAW / HSAW)Cov kav dej, cov kav dej ntev hauv qab arc welded (LSAW) kav, thiab hluav taws xob tiv thaiv welded (ERW) kav [Citation: 3, citation: 4]. |
| Hloov | GB/T 3091-2015 yuav hloov los ntawm 2025 version [citation:2, citation:4]. |
🔧 Kev Tsim Khoom
GB / T 3091 kauv submerged arc welded kav yog tsim los siv cov txheej txheem hauv qab no [citation: 3, citation: 4]:
Raw Khoom: Kub- dov steel coils (feem ntau Q195, Q215, Q235, Q275, thiab lwm yam)
Kev tsim: Cov kab hlau txuas txuas txuas txuas ntxiv - tsim ntawm ib lub kaum ntse ntse los tsim cov yeeb nkab cylindrical
Vuam: Ob chav -sided submerged arc vuam (sab hauv thiab sab nraud) tsim cov kauv seam, kom ntseeg tau qhov tob tob thiab zoo weld zoo
Kev sim: Kev ntsuam xyuas hydrostatic, tsis yog{0}} kuaj kev puas tsuaj (ultrasonic/X{1}}ray), thiab kev tshuaj xyuas qhov ntev
Ua tiav: Xaus kev npaj (dawb los yog beveled) thiab txheej raws li xav tau
📏 Size Range
Raws li cov ntaub ntawv chaw tsim khoom rau SSAW kav raws li GB / T 3091 [citation: 3, citation: 4]:
| Parameter | Hom kab mob |
|---|---|
| Sab nraud txoj kab uas hla | 219mm txog 3620mm (kwv yees . 8" rau 142") |
| Phab ntsa Thickness | 3.2 hli txog 25.4 hli (txog 40 hli muaj los ntawm qee cov tuam ntxhab) |
| Ntev | 3m txog 18m (Customizable) |
⚙️ Cov Qib Khoom
GB/T 3091 qhia ntau yam qib carbon steel tsim nyog rau qis - cov kua xa tawm siab [citation: 1, citation: 3, citation: 4]:
| Qib | Kev piav qhia |
|---|---|
| Q195 | Tsawg zog, kev xaiv kev lag luam rau cov ntawv tsis yog - tseem ceeb |
| Q215A/Q215B | Lub hom phiaj dav dav, qis zog |
| Q235A/Q235B | Qib feem ntau- zoo sib npaug ntawm lub zog, weldability, thiab tus nqi |
| Q275 | Kev xaiv lub zog siab dua rau kev thov ntau dua |
| 10, 20 | Siab -cov pa roj carbon zoo (hloov los ntawm Q235 hauv kev xyaum) |
📝 Cov Lus Qhia Tseem Ceeb
GB / T 3091 qhia txog cov hauv qab no yuav tsum tau rau kauv submerged arc welded kav [citation: 3, citation: 4]:
| Kev xav tau | Kev piav qhia |
|---|---|
| Tshuaj muaj pes tsawg leeg | Kev txwv rau carbon, silicon, manganese, phosphorus, sulfur ib qib |
| Tensile zog | Yam tsawg kawg nkaus tensile thiab yield zog yuav tsum tau ib qib |
| Kev Ntsuas Hydrostatic | Txhua cov yeeb nkab yuav tsum tiv taus siab hydrostatic yam tsis muaj qhov xau (qhov kev sim siab raug: 2.5-5.0 MPa nyob ntawm cov yeeb nkab loj thiab qib) |
| Tsis yog -Kev kuaj kev puas tsuaj | Ultrasonic los yog X-ray tshuaj xyuas cov welds yuav tsum tau |
| Flattening Test | Txheeb xyuas qhov ductility thiab weld kev ncaj ncees |
| Khoov Test | Tshawb xyuas formability |
| Nto Zoo | Tsis muaj kev puas tsuaj rau vuam lossis kev pabcuam |
| Dimensional Tolerances | Tshwj xeeb tolerances rau OD, phab ntsa thickness, ncaj, thiab ntev |
🏭 Daim ntawv thov
GB / T 3091 kauv welded kav yog dav siv rau [citation: 1, citation: 3, citation: 4]:
| Daim ntawv thov | Kev piav qhia |
|---|---|
| Kev xa dej | Municipal thiab industrial water pipelines |
| Tsawg-Pressure Gas | Cov pa roj ntsha thiab tsim cov roj faib (tsawg dua lossis sib npaug li 1.6 MPa raug) |
| Cua thiab Chav | Compressed cua tshuab thiab qis -cov kab cua siab |
| Cua sov Systems | Kev siv hluav taws xob hauv cheeb tsam thiab HVAC |
| Kev siv tus qauv | Lub tsev txhawb nqa, scaffolding, piling foundations |
| Kev ywg dej | Agricultural dej conveyance |
| Dej ntws | Cua daj cua dub thiab dej khib nyiab systems |
🔍 Qhov txawv ntawm Cov Qauv Txheej Txheem
| Txuj | Daim ntawv thov | Qhov txawv tseem ceeb |
|---|---|---|
| GB/T 3091 | Tsawg- kis tau tus mob ua kua(dej, roj, cua, chav tsawg dua lossis sib npaug li 1.6 MPa raug) | Lub hom phiaj dav dav, tsis nruj dua li cov qauv kav dej [citation: 1, citation: 3] |
| GB/T 9711 | Petroleum thiab natural gas pipelines | Kev siab dua, nruj dua qhov yuav tsum tau ua, ua raws li API 5L [citation: 1, citation: 3] |
| GB/T 14291 | Kev pabcuam kua dej | Tshwj xeeb tshaj yog rau mining ib puag ncig uas xav tau ntau dua |
| API 5L | Roj thiab roj kis tau tus mob | International standard rau pipeline tsheb thauj mus los |
| ASTM A53 | General kav dej | US tus qauv rau welded thiab seamless yeeb nkab |
📊 Sib piv: GB/T 3091 vs. GB/T 9711
| Yam | GB/T 3091 | GB/T 9711 |
|---|---|---|
| Siab Ntau | Tsawg-siab (feem ntau Tsawg dua lossis sib npaug li 1.6 MPa) | Nruab nrab mus rau siab -siab |
| Hom Qib | Q235B, Q275 | L245, L290, L360, L415 (raws li API 5L) |
| Kev ntsuam xyuas cuam tshuam | Tsis yuam | Yuav tsum muaj rau ntau qib |
| NDT Requirements | xaiv tau | Yuav tsum tau muaj rau ntau qib |
| Daim ntawv thov | Kev siv dav dav, kev tsim kho | Roj & roj kis tau tus mob |
| Nqi | qis | Siab dua |
📝 Tus Qauv Hloov Tshiab: GB / T 3091-2025
Qhov tshiabGB/T 3091-2025version yuav raug siv los ntawmLub Kaum Hli 1, 2025[qhia: 2, citation: 4]. Cov kev hloov pauv tseem ceeb suav nrog:
Cov kev hloov kho tshiab raws li cov txheej txheem tsim khoom niaj hnub no
Kev sib raug zoo nrog cov qauv muaj feem xyuam (GB/T 1591 rau Q355 qib)
Cov txheej txheem kuaj thiab tshuaj xyuas kom meej
Txhim khu kev tswj kom zoo
Txog thaum Lub Kaum Hli 2025, cov qauv siv tau tam sim no tseem nyobGB/T 3091-2015 .
💡 Summary
GB / T 3091 kauv submerged arc welded kavyog cov qauv kev xaiv rau qis - cov ntawv thov kev sib kis ntawm cov kua hauv Suav teb thiab thoob ntiaj teb. Lawv muab cov kev daws teeb meem kev lag luam thiab txhim khu kev qha rau dej, roj, huab cua, thiab cov kav dej, nrog rau kev siv cov qauv. Tus qauv npog Q195, Q215, Q235, thiab Q275, nrog rauQ235B yog qhov ntau tshaj plaws[siv: 1, citation: 3, citation: 4]. Thaum qhia txog cov kav dej no, txheeb xyuas cov qauv siv tau (2015 lossis 2025) thiab xaiv cov khoom tsim nyog raws li koj qhov kev xav tau siab thiab kev pabcuam.
