In the field of oil drilling and oil well, high-frequency electric resistance welded casing (referred to as ERW casing) compared with seamless casing is high dimensional accuracy, weld toughness, anti-extrusion of high-performance, and low cost advantages, which has been widely used in foreign countries, and achieved good results.
Habitat de Erw armamentis (comparari cum seamless temertim)
Maximum dimensional accurate: Erw armamentis per mechanica sizing processus post CUMATIUM, praecisione seamless armamentis habet auctus magnitudine (extra diameter, muro diameter non excedens ± 0 mediocris .5%. Ut produci per Nippon Steel 6244,5 N'un Erw Arming Casing Latin Deviation of <0,10 Mole correspondentes Seamless Creaming vexillum deviationem fuit 0.41 molendini.
Bonum Weld Roughness: Erw Casting vestibulum processus potest praestati ad C, S et P contentus est humilis in component organization et basi materia in altum viribus, princeps lenta sleeve ut manica fistula.
Antiknock anti-extrusionem proprietatibus: High vires XXX% ad XL% comparari cum Similis API seamless temertim, erw armamentis anti-extrusionem, anti-pulsate proprietatibus (internum pressura) de L% altior.
Advanced Technology, Product Quality Imperium: Erw Sleeve Base Metal imperium advolvit coil, isotropic, C% non-perniciosius testis.
Minimum sumptus: comparari similes seamless temulentos, Erw armamentis V% ad X% humilis sumptus, princeps efficientiam, excelsum ex mechanization et automation, humilis industria consummatio et productio; ERW Casting Finitoque Product Rate of XCIII% ad XCVIII%, et seamless temulentos complevit uber rate of LXXXV% ad XC%; Erw armamentis tota project investment est XL% inferior quam in seamless armamentis project.
Technical characteres de Erw armamentis
(I) Selectionem rudis materiae dispensata rolling coil, quod stricte imperium of contentus de S et P, et carbon equivalent, solet W (s) ≤ 0.015%, in carbon equivalent ≤ XXV% XXV. Et usum Micro-offering elementum ut NB, V, TI et Cu amplio ad lenta de ferro ut amplio weldability et corrosio resistentia.
(II) crassitudine coil post ora milling curatio, potest reducere in welding burrers per loci overheating et oxidatio.
(III) late usus spiralis looper ad continua productio, non est volumine-ut-volumine batch productio causa per welding stasstill, unde in re-incipiens welding, welding current, inquisitionem instabilitatem debitum ad productum qualitas defectus.
(IV) communiter in statu-of-in-es Hydraulicos remotionem Burrers Domicilii, Creing interioribus Burr altitudo Imperium 1.14 Nlnl.
(V) stricte Welding parametri, comprehendo initus potentia, welding V-informibus angle, welding celeritate, welding temperatus imperium. Welding temperatus ab altus-frequency welding celeritate et clausa loop potentia imperium, moderando fluctuation minus quam ± V ℃.
(VI) emphasis in post-weld calor curatio, per post-weld calor curatio ad amplio organizationem et internum accentus de weld zone.
(VII) faciendo princeps viribus et sizing unitas, reducendo magna praecisione complevit.
(VIII) Nam et ferro ut totum-linea vel off-linea non-perniciosius testis, opportune et accurate deprehendatur defectuum, ut opportune adjust productio processus ut uber est.
Post tempus: Jul, 20-2023