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Tubería de Acero de LSAW

Straight seam welded steel pipe , Sumergir-arco longitudinal soldada con autógena la pipa de acero

The advantages of LSAW (Longitudinal Submerged Arc Welding) pipes are straight welding. They are widely used in heavy industry to convey oil, coal slurry, etcetera. As a ISO 9001:2008 EMPRESA, we guarantee not only quality but also services.

Proceso: LSAW - UO(UOE), RB(RBE), JCO(JCOE, COE); DSAW - Arco sumergido doble soldado con autógena
Uso: Utilizado para la entrega de líquido de baja presión, como el agua, Gas, y el aceite.
Estándar: API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. ES 3589, GB/T3091, GB/T9711
Certificado: API 5L PSL1 / PSL2, API 5CT
Hacia fuera diámetro: 323.9mm-1820 mm(12''-72'')
Espesor de la pared:5.0 - 50mm
longitud:6 – 12m
Grado de acero:
API 5L: Gr B, X42, X46, X56, X60, X65, X70 ASTM A53: GR A, Gr B, GR C EN: S275, S275JR, S355JRH, S355J2H GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555
Superficie: Fusion bond Epoxy coating, Alquitrán de hulla epoxi, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement
Prueba: Análisis de los componentes químicos, Propiedades mecánicas (Resistencia a la tracción, Fuerza de producción, Alargamiento), Propiedades técnicas (el aplanamiento de la prueba, Test de doblado, Golpe de prueba, Prueba de impacto), Inspección tamaño exterior, Prueba Hidrostática, Prueba de rayos X.
Mill Test Certificate: EN 10204 / 3.1b

UOE LSAW PIPES

UOE LSAW PIPESThe UOE mill features the most advanced technology and process, achieves high production efficiency, stable product quality and is equipped with complete inspection equipments.
Prodution LineUOE mill adopts U & O forming, the formed pipes are welded inside through five internal welding stations with three wires, and welded outside through four external welding stations with three wires. In accordance with different requirements of the customers, the welded pipe can be expanded either by mechanical or hydrostatic expander to improve dimensional accuracy, and eliminate residual stress.
EspecificacionesDiámetro exterior: Φ508mm- 1118mm (20"- 44")

Espesor de la pared: 6.0-25.4mm(1/4"-1"
Quality Standards: API DE、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
longitud: 9-12.3m (30'- 40')
Los grados: API 5L  A-X90,GB/T9711 L190-L625

JCOE LSAW PIPES(PRESS BENDING)

Prodution LineThis is large diameter longitudinal submerged arc welded (LSAW) pipe production line in China. The mill adopts progressive bending process, featuring evenly distributed forming stress, high uniformity of dimension, infinite sizes variation&wide poduct range, and high flexibility, etcetera.
EspecificacionesDiámetro exterior:  Φ406mm- 1626mm (16" - 64" )

Espesor de la pared:  6.0- 75mm (1/4" - 3" )
Quality Standards:  API DE、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
longitud:  3-12.5m ( 10'- 41' )
Los grados:  API 5L A-X100, GB/T9711 L190-L690

JCOE LSAW PIPES(ROLL BENDING)

Production LineThis is the first large diameter longitudinal submerged arc welded (LSAW) pipe production line in China. The mill adopts continuous axis contorting J-C-O forming process with characteristics of high forming accuracy and efficiency as well as balanced distribution of forming stress. The mill has the advantages of wide specifications and can produce pipes in any size within its production range.
EspecificacionesDiámetro exterior:Φ406mm- 1829mm (16" - 72" )

Espesor de la pared:6.0-30mm(1/4" -11/6"
Quality Standards:API DE、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
longitud:3-12.2m ( 10'- 40' )
Los grados:API 5L A-X80, GB/T9711 L190-L555

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