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LSAW Tubo di Acciaio

Straight seam welded steel pipe , Tubo d'acciaio saldato sommergere-arco longitudinale

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

Processi: LSAW - UO(UOE), RB(RBE), JCO(JCOE, COE); DSAW - Doppio arco sommerso saldato
Utilizzo: Utilizzato per la consegna liquida di pressione bassa, come l'acqua, gas, e olio.
Standard: API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. è 3589, GB/T3091, GB/T9711
Certificato: API 5L PSL1 / PSL2, API 5CT
Fuori diametro: 323.9mm-1820 mm(12''-72'')
Spessore della parete:5.0 - 50mm
LUNGHEZZA:6 – 12m
grado d'acciaio:
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, Catrame di carbone epossidica, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement
Prova: Analisi componente chimico, Proprietà meccaniche (Carico di rottura, Resistenza allo snervamento, Allungamento), Caratteristiche tecniche (appiattimento test, prova di flessione, colpo di prova, Test d'impatto), Ispezione dimensioni esterne, Prova Idrostatica, Test di X-ray.
Mill Test Certificate: IT 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.
SpecificheDiametro esterno: Φ508mm- 1118mm (20"- 44")

Spessore della parete: 6.0-25.4mm(1/4"-1"
Quality Standards: API、DNV、ISO、DEP、IT、ASTM、DIN、B、JIS、GB、CSA
LUNGHEZZA: 9-12.3M (30'- 40')
Gradi: 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, ecc.
SpecificheDiametro esterno:  Φ406mm- 1626mm (16" - 64" )

Spessore della parete:  6.0- 75mm (1/4" - 3" )
Quality Standards:  API、DNV、ISO、DEP、IT、ASTM、DIN、B、JIS、GB、CSA
LUNGHEZZA:  3-12.5M ( 10'- 41' )
Gradi:  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.
SpecificheDiametro esterno:Φ406mm- 1829mm (16" - 72" )

Spessore della parete:6.0-30mm(1/4" -11/6"
Quality Standards:API、DNV、ISO、DEP、IT、ASTM、DIN、B、JIS、GB、CSA
LUNGHEZZA:3-12.2M ( 10'- 40' )
Gradi:API 5L A-X80, GB/T9711 L190-L555

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