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Factory ncaj qha muab Loj-inch Thick-Walled Kauv Hlau Yeeb Nkab Q345b Kauv Yeeb Nkab rau Cov Dej Dej thiab Kais Dej Featured duab
  • Factory ncaj qha muab Loj-inch Thick-Walled Kauv Hlau Yeeb Nkab Q345b Kauv Yeeb Nkab rau Cov Dej Dej thiab Cov kais dej
  • Factory ncaj qha muab Loj-inch Thick-Walled Kauv Hlau Yeeb Nkab Q345b Kauv Yeeb Nkab rau Cov Dej Dej thiab Cov kais dej
  • Factory ncaj qha muab Loj-inch Thick-Walled Kauv Hlau Yeeb Nkab Q345b Kauv Yeeb Nkab rau Cov Dej Dej thiab Cov kais dej
  • Factory ncaj qha muab Loj-inch Thick-Walled Kauv Hlau Yeeb Nkab Q345b Kauv Yeeb Nkab rau Cov Dej Dej thiab Cov kais dej

Factory ncaj qha muab Loj-inch Thick-Walled Kauv Hlau Yeeb Nkab Q345b Kauv Yeeb Nkab rau Cov Dej Dej thiab Cov kais dej

Lus piav qhia luv luv:

Kauv welded yeeb nkab: Nws yog ua los ntawm cov pa roj carbon tsawg tsawg los yog cov hlau tsis tshua muaj hlau nplaum dov rau hauv cov yeeb nkab steel ntawm ib lub kaum sab xis ntawm cov kab kauv (hu ua lub kaum sab xis), thiab tom qab ntawd cov yeeb nkab seam yog welded ua ke, uas. tuaj yeem tsim cov kab loj loj steel yeeb nkab los ntawm nqaim strip steel.Nws cov lus qhia tshwj xeeb yog qhia los ntawm sab nraud * phab ntsa tuab, welded yeeb nkab yuav tsum xyuas kom meej tias qhov kev sim hydraulic, tensile lub zog ntawm vuam thiab txias dabtsi yog khoov zog kom tau raws li cov kev cai.


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Khoom cim npe

Nws ua raws li lub ntsiab lus "Honest, industious, enterprising, innovative" los tsim cov khoom tshiab tas li.Nws suav nrog cov neeg siv khoom, kev vam meej raws li nws txoj kev vam meej.Let us develop prosperous future hand in hand for Factory Directly supply Large-Diameter Thick-Walled Spiral Steel Pipe Q345b Kauv Yeeb Nkab Rau Cov Dej Dej thiab Cov Dej Dej , We sincerely welcome overseas buyers to consult for that long-term cooperation as well as the mutual progress.
Nws ua raws li lub ntsiab lus "Honest, industious, enterprising, innovative" los tsim cov khoom tshiab tas li.Nws suav nrog cov neeg siv khoom, kev vam meej raws li nws txoj kev vam meej.Cia peb txhim kho kev vam meej yav tom ntej sib koom tes rauTuam Tshoj Carbon Steel Yeeb Nkab thiab Carbon Steel Tube, Peb cov kev daws teeb meem yog tsim nrog cov ntaub ntawv zoo tshaj plaws.Txhua lub sijhawm, peb niaj hnub txhim kho txoj haujlwm tsim khoom.Txhawm rau kom ntseeg tau tias qhov zoo thiab kev pabcuam zoo dua, tam sim no peb tau tsom mus rau cov txheej txheem tsim khoom.Peb tau txais kev qhuas siab los ntawm tus khub.Peb tau tos ntsoov los tsim kev lag luam kev sib raug zoo nrog koj.

Metallurgical zog ntawm cov khoom

Longitudinal submerged arc welded kav yog tsim los ntawm steel daim hlau, thaum kauv welded kav yog tsim los ntawm kub dov coils.Cov txheej txheem kub-dov strip unit dov txheej txheem muaj ntau qhov zoo thiab muaj cov txheej txheem metallurgical muaj peev xwm kom tau txais cov khoom zoo ntawm cov yeeb nkab kab hlau.Piv txwv li, qhov tso zis tso zis yog nruab nrog lub tshuab dej txias kom ceev cov cua txias, uas tso cai rau kev siv cov khoom siv qis qis kom ua tiav cov qib tshwj xeeb lub zog thiab qhov kub thiab txias toughness, yog li txhim kho cov weldability ntawm cov hlau.Txawm li cas los xij, qhov system no tsis tshua muaj nyob rau hauv steel sheet ntau lawm cov nroj tsuag.Cov ntsiab lus ntawm cov hlau (carbon sib npaug) ntawm cov coils feem ntau qis dua li cov qib zoo sib xws ntawm cov hlau phaj, uas kuj tseem txhim kho cov weldability ntawm kauv welded kav.

Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias, vim hais tias cov kauv welded yeeb nkab coil dov kev taw qhia tsis yog perpendicular mus rau cov kev taw qhia ntawm cov yeeb nkab steel axis (nws pinch tov nyob ntawm lub kauv lub kaum sab xis ntawm cov yeeb nkab steel), thaum ncaj seam steel yeeb nkab steel phaj dov. kev taw qhia perpendicular mus rau cov kev taw qhia ntawm cov yeeb nkab steel axis, thiab yog li, cov khoom siv kauv welded yeeb nkab yog zoo dua li ncaj seam steel yeeb nkab tawg tsis kam.

Vuam txheej txheem

Los ntawm cov txheej txheem welding, kauv welded yeeb nkab thiab ncaj seam steel yeeb nkab vuam txoj kev yog tib yam, tab sis ncaj seam welded yeeb nkab yuav inevitably muaj ntau ding weld, yog li txoj kev pheej hmoo ntawm vuam tsis xws luag yog loj heev, thiab cov residual kev nyuaj siab ntawm vuam. nyob rau hauv lub ding weld yog loj, lub weld hlau feem ntau nyob rau hauv ib tug peb-txoj kev kev nyuaj siab lub xeev, ua rau muaj peev xwm ntawm cracking.

Ntxiv mus, raws li cov txheej txheem submerged arc vuam, txhua qhov vuam yuav tsum nyob ntawm qhov pib arc thiab arc extinguishing, tab sis txhua qhov ncaj seam welded yeeb nkab nyob rau hauv welded annular seam, tsis tuaj yeem ua tiav qhov xwm txheej, yog li tej zaum yuav muaj ntau qhov vuam tsis xws ntawm lub arc. tua hluav taws.

Chemical composition table

Mechanical zog Tshuaj muaj pes tsawg leeg  
Yield zog Tensile zog Elongation C Si Mn S P  
MPa kg/mm² MPa kg/mm² min Tsis loj dua Tsis loj dua Tsis loj dua  
Q215A Q215B 215 22 335-410 : kuv 34-42 : kuv 31 0.09-0.15 dr hab 0.03 ib 0.25-0.55 Nws 0.050 0.045 Nws 0.045 ib
Q235A Q235B

qw 235c

qw 235d

 235 24 375-460 : kuv 38-47 : kuv 26 0.14-0.22 0.12-0.20 dr hab

≤ 0.18

≤ 0.17

 0.30 Nws 0.30-0.65 0.30-0.70 Nws

0.35-0.80 Nws

0.35-0.80 Nws

 0.50 0.45 Nws

0.40 Nws

0.035 ib

 0.045 0.045 Nws

0.040 ib

0.035 ib
16Mn (Q345B) 345 35 510-600 Nws 51.60 ib 22 0.12-0.20 Nws 0.20-0.55 Nws 1.2-1.6 0.045 ib 0.045 ib
X42 289 29.5 Nws 413 42.1 ib   0.28 ib - 1.25 0.030 Nws 0.030 Nws
X52 358 36.5 ib 455 46.4 ib 0.30 Nws - 1.35 Nws 0.030 Nws 0.030 Nws
X56 ib 386 39.4 ib 489 ib 49.9 ib 0.26 - 1.35 Nws 0.030 Nws 0.030 Nws
X 60 413 42.1 ib 517 ib 52.7 ib 0.26 - 1.35 Nws 0.030 Nws 0.030 Nws
X 65 448 ib 45.7 ib 530 54.0 ua 0.26 - 1.40 Nws 0.030 Nws 0.030 Nws
X 70 482 ib 49.2 ib 565 ib 57.6 ib 0.26 - 1.40 Nws 0.030 Nws 0.030 Nws
l245 ua 245   415   21 0.26   1.15 0.030 Nws 0.030 Nws
l290 ua 290   415   21 0.28 ib   1.25 0.030 Nws 0.030 Nws
l360 ua 360   460   19 0.3   1.25 0.030 Nws 0

Khoom Paub meej

Khoom muag Kev tsim kho ASTM A106 A36 A53 Kauv Welded Dub Steel Tube carbon steel kauv welded raj yeeb nkab
Qib GRB, ST52, ST42, ST35, ST45, X42, X52, X56, X60, X70, X85
Txuj ASTM A53, ASTM A500;GB / T3091, GB / T3094;DIN EN10025;DIN EN10217-2005;

BS EN10217;BS EN10219;BS EN10025;JIS G3466
Cov txheej txheem ERW, Welded, Seamless, Kub Rolled, Txias Drawn
OD Loj 8 "mus rau 142" Sab Nraud Diameter 219mm txog 3620mm
Thickness 1.5mm-30mm
Ntev 1) Tib Random Length thiab ob chav Random Length.
2) SRL: 3M-5.8M DRL: 10-11.8M lossis Raws li cov neeg thov ntev.
3) Ntev ntev (5.8m, 6m, 12m)
Cov yeeb nkab kawg 1) Plain 2) Beveled 3) Xov nrog coupling thiab yas hau
Xaus tiv thaiv 1) Yas cap 2) Hlau tiv thaiv 3) raws li kev thov
Kev kho saum npoo 1) xim dub 2) kua roj vanish 3) roj los yog galvanized

4) anti-corrosion coated (3PE / 3LPE)
Pob Loose pob, bundled yeeb nkab nrog ob txoj hlua ntawm ob qho kawg kom yooj yim thauj khoom thiab tso tawm, Xaus nrog lub kaus mom yas.
Export rau Singapore, Canada, Indonesia, Kauslim Teb, Tebchaws USA, UK, Thaib, Saudi Arabia, Nyab Laj, Is Nrias teb, Peru, Ukraine, Brazil, South Africa, thiab lwm yam.

Khoom Qhia

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FAQ

1.Vim li cas koj xaiv peb?

Peb lub tuam txhab tau nyob hauv Alibaba.com rau 12 xyoos.Peb tswj cov khoom zoo nruj heev, muaj cov neeg tshwj xeeb rau qhov zoo.

Yog tias koj tau txais tus nqi qis dua los ntawm lwm tus neeg muag khoom, peb yuav them rov qab ob zaug rau cov neeg siv khoom txog tus nqi siab dua.

2.Koj lub sijhawm xa khoom ntev npaum li cas?

Raws li qhov kom muaj nuj nqis. Feem ntau nyob rau hauv 2-7 hnub yog nyob rau hauv Tshuag.Thiab 15-20 hnub yog tsis nyob rau hauv Tshuag.

3.Koj cov nqe lus them nqi yog dab tsi?

A: Los ntawm T / T 30% ua ntej, thiab 70% ua ntej xa khoom.

B: 100% L / C thaum pom.

C: Los ntawm T / T 30% ua ntej, thiab 70% L / C thaum pom.

4.Koj puas muab cov qauv?Puas yog dawb?

Yog lawm, peb muab cov qauv dawb tab sis tsis them tus nqi thauj khoom.

5.Yuav ua li cas yog tias tus neeg siv khoom tsis txaus siab?

Yog tias muaj teeb meem nrog cov khoom, peb ua lub luag haujlwm tag nrho.

Yog tias muaj teeb meem hauv kev thauj mus los, peb yuav pab koj daws nws.

Nws ua raws li lub ntsiab lus "Honest, industious, enterprising, innovative" los tsim cov khoom tshiab tas li.Nws suav nrog cov neeg siv khoom, kev vam meej raws li nws txoj kev vam meej.Let us develop prosperous future hand in hand for Factory Directly supply Large-Diameter Thick-Walled Spiral Steel Pipe Q345b Kauv Yeeb Nkab Rau Cov Dej Dej thiab Cov Dej Dej , We sincerely welcome overseas buyers to consult for that long-term cooperation as well as the mutual progress.
Factory Directly movTuam Tshoj Carbon Steel Yeeb Nkab thiab Carbon Steel Tube, Peb cov kev daws teeb meem yog tsim nrog cov ntaub ntawv zoo tshaj plaws.Txhua lub sijhawm, peb niaj hnub txhim kho txoj haujlwm tsim khoom.Txhawm rau kom ntseeg tau tias qhov zoo thiab kev pabcuam zoo dua, tam sim no peb tau tsom mus rau cov txheej txheem tsim khoom.Peb tau txais kev qhuas siab los ntawm tus khub.Peb tau tos ntsoov los tsim kev lag luam kev sib raug zoo nrog koj.

  • Yav dhau los:
  • Tom ntej:
    • Sau koj cov lus ntawm no thiab xa tuaj rau peb

    Hais txogPRODUCTS

    Ntaus nkag mus tshawb lossis ESC kom kaw