GB / T 3091 Q195 yog tus qauv thiab tsim cov khoom siv tshwj xeeb rau kev tsim Kauv Submerged Arc Welded (SSAW) steel kav[siv: 2, citation: 6, citation: 10]. Qhov kev sib xyaw ua ke no sawv cev rau qhov yooj yim tshaj plaws, nkag mus- cov khoom lag luam rau qib qis- cov kua xa hluav taws xob siab thiab kev siv cov qauv siv nyob rau hauv Suav teb tus qauv [citation:2, citation:4].
Lub npe "GB/T 3091 Q195 Spiral Submerged Arc Pipe" ua ke nrog cov qib qis tshaj plaws ntawm cov pa roj carbon steel (Q195) nrog cov txheej txheem welding rau qhov loj - txoj kab uas hla, qis - cov nqi siv uas tsis tas yuav muaj lub zog siab.
📋 Cov Lus Qhia Tseem Ceeb rau GB / T 3091 Q195 SSAW Yeeb Nkab
Cov lus hauv qab no qhia txog cov ntsiab lus tseem ceeb rau cov khoom no, raws li cov ntaub ntawv kev lag luam dav dav [citation: 2, citation: 3, citation: 6, citation: 10].
| Yam ntxwv | Kev piav qhia |
|---|---|
| Txuj | GB/T 3091: "Welded steel kav rau cov kua dej tsis tshua muaj siab" (kawg version: GB / T 3091-2015) [citation: 2, citation: 4, citation: 6]. |
| Scope | Muaj feem xyuam rau dej, cua, cua sov chav, roj, thiab lwm yam tsawg -kua kua kis tau tus mob [citation:2, citation:3, citation:4, citation:6]. |
| Qib Steel | Q195: Kev nkag - qib carbon structural steel qib. Lub "Q" sawv cev rau "屈服强度" (yield zog), thiab "195" qhia qhov tsawg kawg nkaus tawm los zog hauv MPa . |
| Base Khoom Standard | GB/T 700: Carbon Structural Steels [citation:2, citation:6]. |
| Kev tsim khoom | Spiral Submerged Arc Vuam (SSAW/HSAW): Ua los ntawm kub- dov steel coil ntawm chav tsev kub, nrog cov vuam seam khiav tsis tu ncua nyob rau hauv ib tug kauv. Welded siv ob -sided tsis siv neeg submerged arc vuam (sab hauv thiab sab nraud) [citation:2, citation:6]. |
| Tshuaj muaj pes tsawg leeg | Ib GB / T 700 xav tau rau Q195. Feem ntau qis carbon thiab manganese cov ntsiab lus rau siab tshaj plaws formability thiab weldability ntawm tus nqi ntawm lub zog. |
| Mechanical Properties (min) [citation: 2, citation: 3, citation: 6] | Yield zog:195 MPa (rau thickness Tsawg dua los yog sib npaug rau 16 hli); 185 MPa (rau thickness> 16mm) Tensile zog:315 MPa rau Elongation:15% (rau OD Tsawg dua lossis sib npaug ntawm 168.3mm); 20% (rau OD> 168.3mm) |
| Hom Loj Ntau Yam [citation: 2, citation: 6, citation: 10] | Sab nraud txoj kab uas hla:168mm txog 4064mm (kwv yees . 6" mus rau 160") Phab ntsa Thickness:5mm-50mm (ntau ntau 5-25mm) Ntev:3 m rau 18 m txheem; mus txog 50 m muaj rau cov ntawv thov tshwj xeeb |
| Cov Kev Ntsuas Tseem Ceeb [citation: 2, citation: 3, citation: 6] | Tshuaj ntsuam xyuas; xeem tensile; flattening xeem; khoov kuaj; hydrostatic test (txhua lub yeeb nkab); tsis yog- kuaj kev puas tsuaj (ultrasonic lossis X-ray ntawm vuam seam - qauv xyaum). |
| Cov ntawv thov dav [citation: 2, citation: 3, citation: 4, citation: 6, citation: 10] | Tsawg-kev xa dej siab; irrigation systems; cov kav dej; qhov cua ducts; laj kab; cov kav dej ib ntus; tsis yog- kev txhawb nqa cov qauv tseem ceeb; kev siv hluav taws xob dav dav uas tus nqi yog tus tsav tsheb. |
| Daim ntawv pov thawj | Mill Test Certificate feem ntau rauEN 10204 Hom 3.1los yog sib npaug, nrog cov txiaj ntsig kev xeem thiab cov ntaub ntawv traceability . |
📊 GB/T 3091 Qib Sib Piv
Q195 yog qhov nkag tau - qib siab zog hauv GB / T 3091 specification. Cov lus hauv qab no qhia txog nws txoj hauj lwm txheeb ze rau lwm cov qib sib xws [citation:2, citation:3, citation:6]:
| Qib | Yield zog (MPa) min (t Tsawg dua lossis sib npaug li 16 hli) | Tensile zog (MPa) min | Elongation% (OD> 168.3 hli) | Tus txheeb ze zog vs. Q195 | Daim ntawv thov |
|---|---|---|---|---|---|
| Q195 | 195 | 315 | 20 | Lub hauv paus | Kev lag luam feem ntau, tsis yog - daim ntawv thov tseem ceeb |
| Q215 | 215 | 335 | 20 | +10% | Lub teeb qauv, lub hom phiaj dav dav |
| Q235 | 235 | 370 | 20 | +21% | Kev tsim kho dav dav - TSIS MUAJ |
| Q275 | 275 | 410 | 18 | +41% | Cov kev xav tau siab dua |
| Q345 | 345 | 470 | 18 | +77% | High -cov ntaub ntawv muaj zog |
📏 Dimensional Specifications
GB / T 3091 qhia txog cov kev kam rau ua hauv qab no rau SSAW kav [citation: 3, citation: 7]:
| Parameter | Ua siab ntev |
|---|---|
| Sab nraud txoj kab uas hla (OD Tsawg dua los yog sib npaug rau 508mm) | ± 0.75% ntawm txoj kab uas hla |
| Sab nraud txoj kab uas hla (OD> 508mm) | ± 1.0% ntawm txoj kab uas hla |
| Phab ntsa Thickness | ± 10% ntawm nominal |
| Ncaj (OD> 168.3mm) | Tsawg dua lossis sib npaug li 0.2% ntawm tag nrho qhov ntev |
| Length (ntev ntev) | +100mm / -0mm |
Standard Diameter Range:168mm txog 4064mm (6 "mus rau 160") [citation: 2, citation: 6, citation: 10]
🔍 Cov ntsiab lus tseem ceeb kom nkag siab
Dab tsi "GB / T 3091 Q195" txhais tau tias: Qhov no yog Suav lub teb chaws tus qauv rau qis- cov kav dej xa hluav taws xob uas siv cov pa roj carbon hlau yooj yim tshaj plaws. Q195 muaj qhov tsawg kawg nkaus tawm lub zog ntawm195 MPa uathiab yog qib qis tshaj plaws ntawm cov hlau uas muaj rau kev tsim cov yeeb nkab.
Keeb Kwm Tseem Ceeb: Q195 tau ntxiv rau GB / T 3091 pib nrog xyoo 2008, uas tau qhia ntau yam kev hloov pauv tseem ceeb suav nrog ntxiv Q195 qib, suav nrog cov kav dej welded, thiab kev ua kom nruj zoo [citation: 1, citation: 4, citation: 5, citation: 7, citation: 8].
Q195 vs Q235: Q195 muab kwv yees li17% qis tawm lub zog tshaj Q235(195 MPa vs . 235 MPa) thiab tsis tshua muaj nqi. Nws yog tus nqi tshaj plaws - kev xaiv zoo thaum qhov kev xav tau ntawm lub zog tsawg kawg yog tsawg heev .
SSAW Qhov Zoo rau Q195: Cov txheej txheem kauv vuam yog zoo tagnrho rau loj - txoj kab uas hla, qis - nqi Q195 kav :
Loj Loj Muaj peev xwm: Muaj peev xwm tsim cov kav dej mus txog 160 "inch
Nqi Efficiency: Tus nqi qis tshaj kev tsim khoom rau cov kab loj loj
Ntev ntev: Txog li 50m ntev txo cov pob qij txha
🔧 Kev Tsim Khoom Txheej Txheem rau GB / T 3091 Q195 SSAW Yeeb Nkab
Cov txheej txheem tsim khoom ua raws li tus qauv SSAW cov txheej txheem tsim khoom nrog kev tswj xyuas zoo tsim nyog rau kev siv qis - zog:
Kev npaj raw khoom: Kub-rolled steel coils ntsib Q195 chemistry yuav tsum tau leveled, soj ntsuam, thiab ntug-milled.
Kauv txoj kev: Cov hlau sawb txuas ntxiv tsim rau hauv cov duab cylindrical ntawm lub kaum ntse ntse tshwj xeeb ntawm chav tsev kub.
Submerged Arc Vuam: Ob chav -sided tsis siv neeg submerged arc vuam (sab hauv thiab sab nraud) tsim cov kauv seam nrog kev nkag mus rau tag nrho [citation:2, citation:6].
Tsis yog -Kev kuaj kev puas tsuaj: 100% ultrasonic lossis X-ray tshuaj xyuas ntawm cov vuam seam yog cov qauv kev coj ua.
Kev Ntsuas Hydrostatic: Txhua cov yeeb nkab ib leeg raug kuaj xyuas kom ntseeg tau tias muaj kev ntseeg siab.
Mechanical Testing: Kev ntsuam xyuas tensile, kev ntsuam xyuas flattening, thiab khoov kev ntsuam xyuas kom paub tseeb cov khoom [citation:2, citation:3].
Xaus Xaus: Xaus npaj (dawb los yog beveled) rau welding teb.
Txheej: Cov txheej txheem sab nraud (cov kua roj vanish, bitumen, epoxy) thiab galvanizing muaj (OD Tsawg dua lossis sib npaug ntawm 508mm) [citation: 2, citation: 6].
🏭 Daim ntawv thov
GB/T 3091 Q195 SSAW kav yog siv nyob rau hauv tus nqi ntau tshaj -sensitive applications [citation:2, citation:3, citation:4, citation:6, citation:10]:
| Daim ntawv thov | Kev piav qhia |
|---|---|
| Tsawg-Kev xa dej siab | Cov dej nyob deb nroog, cov kav dej ib ntus, cov kav dej |
| Cov kab dej ntws | Cua daj cua dub ntws, culverts, dej khib nyiab |
| Qhov cua qhov ducts | Cua tuav systems, pa ducts, ventilation shafts |
| Fencing thiab Barriers | Agricultural fencing, ib ntus barriers, guardrails |
| Cov kav dej ib ntus | Kev tsim kho qhov chaw siv dej, dewatering kab |
| Kev siv tus qauv | Tsis yog- kev txhawb nqa tseem ceeb, teeb pom kev zoo thav duab, scaffolding |
📝 Cov ntsiab lus tseem ceeb
Standard Version: Tam sim no version yogGB/T 3091-2015[siv: 2, citation: 4, citation: 6]. Thaum txiav txim, qhia qhov yuav tsum tau version xyoo.
Q195 vs. Qib siab dua: Q195 yog qib qis tshaj plaws tab sis muaj lub zog qis tshaj. Rau feem ntau cov ntawv thov uas xav tau txawm tias lub siab nruab nrab,Q235yog qhov ntau dua thiab pom zoo qib [citation:2, citation:9, citation:10].
Txheej txheej xaiv: Cov kav dej tuaj yeem muab tau nrog ntau yam txheej txheej [citation: 2, citation: 6, citation: 10]:
Galvanized: Rau kev tiv thaiv corrosion (OD Tsawg dua lossis sib npaug ntawm 508mm nkaus xwb) [citation: 2, citation: 6]
Dub (dawb): Standard zeb tiav
Varnish/Anti- xeb roj: Kev tiv thaiv ib ntus
Bitumen txheej: Rau kev pabcuam faus
Kev txwv siab: Q195 cov kav dej tsuas yog tsim rau kev siv qis heev -siab. Ib txwm txheeb xyuas qhov tsim siab tawm tsam cov khoom siv lub zog tawm los.
Ua kom tiav Specification: Thaum xaj, qhia [citation:2, citation:6, citation:10]:
GB/T 3091, Qib Q195, SSAW (kauv welded), Loj (OD x WT), Ntev, Xaus Xaus
Txheem version: [piv txwv li, GB / T 3091-2015]
Cov txheej txheem txheej: [piv txwv li, liab qab, galvanized, kua roj vanish]
📝 Cov ntsiab lus
GB/T 3091 Q195 Kauv Submerged Arc Welded kavyog covkev lag luam feem ntau, nkag - cov khoom lag luamrau qhov loj - txoj kab uas hla, qis- cov kua xa hluav taws xob thiab tsis yog - cov ntaub ntawv tseem ceeb hauv cov qauv hauv Suav teb [citation: 2, citation: 4, citation: 6]. Nrog yam tsawg kawg nkaus tawm lub zog ntawm195 MPa ua, cov kav dej no muab cov nqi qis tshaj rau cov ntawv thov uas yuav tsum muaj zog tsawg.
Muaj nyob rau hauv diameters los ntawm168mm txog 4000mmnrog phab ntsa thicknesses rau50 hlithiab ntev mus txog50m, cov kav dej no yog tsim los siv tus nqi- cov txheej txheem tsim khoom SSAW zoo thaum ua tau raws li qhov yuav tsum tau ua ntawm GB/T 3091 specification [citation:2, citation:6, citation:10].
Q195 yog qib qis tshaj plaws hauv GB / T 3091 tsev neeg, haum rautsis yog- tseem ceeb, qis- cov ntawv thov siabqhov twg tus nqi yog tus thawj tsav tsheb. Rau cov ntawv thov uas xav tau txawm tias muaj zog me ntsis, xav txog kev kho dua tshiab rauQ235- qib tshaj plaws thiab pom zoo rau kev pabcuam dav dav [citation: 2, citation: 9, citation: 10].
Thaum kev txiav txim, xyuas kom meej tias koj qhia meej cov qauv ua tiav nrog xyoo version, qib Q195, txheej txheem tsim khoom (SSAW), qhov yuav tsum tau muaj, thiab cov txheej txheem txheej txheem raws li koj daim ntawv thov tshwj xeeb [citation: 2, citation: 6, citation: 10].
