Ncaj Seam Welded Steel Pipes
Dab tsi yog qhov ncaj seam welded yeeb nkab?
Ncaj seam yeeb nkab yog cov yeeb nkab steel nrog ib txoj hlua txuas ncaj nraim mus rau txoj kab ntev ntawm cov yeeb nkab steel. Nws tseem yog hu ua ncaj seam steel yeeb nkab. Nws yog tsim los ntawm dabtsi yog khoov ib tug steel phaj los yog sawb thiab ces welding cov ntsiab lus txuas. Ncaj seam tube muaj cov txheej txheem tsim khoom yooj yim, cov phab ntsa tuab, kev ua haujlwm siab, tus nqi qis, thiab kev hloov kho kom haum raws li qhov yuav tsum tau muaj ntawm cov yeeb nkab sib txawv. Nws tau tsim sai heev thiab feem ntau yog siv rau ntau yam kev lag luam thiab kev tsim kho hauv nroog.
Raws li cov txheej txheem tsim khoom ntawm cov kav dej ncaj seam steel, lawv tuaj yeem muab faib ua ob hom: high-frequency ncaj seam steel kav thiab submerged arc welded ncaj seam steel kav:
1. Submerged arc vuam
Ua ntej, kev tshuaj xyuas ultrasonic ntawm tag nrho cov hlau phaj yog nqa tawm, thiab tom qab ntawd ob lub npoo ntawm cov hlau phaj yog ob sab milled los ntawm lub tshuab milling. Cov khoom siv lub tshuab ua ntej khoov yog siv los ua ntej khoov ntawm ntug ntawm lub phaj kom cov ntug ntawm lub phaj muaj qhov curvature uas ua tau raws li qhov yuav tsum tau ua. Tom qab ntawd, JCO txoj kev tshuab yog siv los ua ntej khoov steel phaj, thiab ib nrab ntawm cov hlau phaj yog nias rau hauv J hom. Tom qab stamping, lwm ib nrab yog nias rau hauv C duab, thiab thaum kawg qhib O zoo yog tsim.
2. High zaus vuam
High-frequency welding yog raws li eddy tam sim no kub ntws nyhuv thiab cov nyhuv ntawm daim tawv nqaij nyob rau hauv tus neeg xyuas pib raws li lub hauv paus ntsiab lus ntawm AC nqi thiab electromagnetic induction. Lub ntug steel ntawm lub weld yog rhuab mus rau lub xeev molten, thiab tom qab ntawd cov txheej txheem rau cov menyuam extrusion yog siv los ua kom tiav qhov sib xyaw ua ke ntawm lub pob tw weld, yog li ua tiav cov hom phiaj vuam.
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Kev siv |
Siv rau kev xa cov kua dej tsawg, xws li dej, roj, thiab roj. |
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LSAW |
Longitudinal Submerged-Arc Welded Steel Yeeb Nkab |
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Txheej txheem |
LSAW - UO(UOE), RB(RBE),JCO(JCOE,COE) |
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Kev xa khoom |
Cov neeg nqa khoom loj |
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Txuj |
API 5L, API 5CT, ASTM 53, EN10217, DIN 2458, IS 3589, GB / T3091, GB / T9711 |
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Daim ntawv pov thawj |
API 5L PSL1 / PSL2, API 5CT |
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Tawm Dia |
219mm - 1820mm (8" -72") |
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Phab ntsa Thickness |
5. 0 - 50mm |
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Ntev |
6 – 12m |
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Qib Steel |
API 5L: GR B, X42, X46, X56, X60, X65, X70 |
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Nto |
Fusion daim ntawv cog lus Epoxy txheej, Coal Tar Epoxy, 3PE, Vanish Txheej, Bitumen txheej, Dub Roj txheej raws li cov neeg siv khoom xav tau |
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Kuaj |
Chemical Component Analysis, Mechanical Properties (Qhov kawg tensile zog, Yield zog, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), External Size Inspection, Hydrostatic Test. |
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Mill Test Certificate |
EN 10204/3.1B |
Ncaj Welded Yeeb Nkab
Ncaj seam welded yeeb nkab ntim thiab kev thauj mus los
Cov kav dej feem ntau yog thawj zaug ua ke thiab tom qab ntawd qhwv hauv daim kab xev yas. Txoj kev no ua kom cov yeeb nkab tseem huv si thaum lub sijhawm thauj mus los thiab tiv thaiv nws los ntawm kev puas tsuaj sab nraud. Rau lub hauv paus ntawm cov hlua yas, cov hlua hlau tuaj yeem muab ntxiv rau kev txhawb nqa. Qhov no pab muab kev txhawb nqa thiab kev tiv thaiv ntau dua, tshwj xeeb tshaj yog nrog cov kav dej loj lossis ntev ntev welded. Siv cov yeeb yaj kiab yas los yog zaj duab xis ncab kom kaw cov yeeb nkab kom tsis txhob muaj plua plav, ya raws lossis lwm yam kab mob nkag mus. Hom ntim no kuj pab tiv thaiv xeb. Rau cov kav dej uas muaj kev cuam tshuam rau sab nraud, cov ntaub ntawv cushioning xws li ua npuas ncauj los yog lub hnab cua tuaj yeem muab ntxiv rau hauv lub ntim los muab kev tiv thaiv ntxiv.
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