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ПРОДОЛЬНОШОВНЫЕ стоманени тръби

Straight seam welded steel pipe , Longitudinal Submerged-Arc Welded Steel Pipe

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

Процес: ПРОДОЛЬНОШОВНЫЕ - UO(UOE), RB(RBE), JCO(JCOE, COE); DSAW - Double Submerged Arc Welded
употреба: Used for low pressure liquid delivery, such as water, Газ, and oil.
Стандарт: API 5L, ПО API 5СТ, ASTM 53, EN10217, DIN 2458. Е 3589, GB/T3091, GB/T9711
сертификат: ПО API 5L ЗА PSL1 / Група psl2, ПО API 5СТ
По диаметър: 323.9mm -1820mm(12''-72'')
Дебелина на стената:5.0 - 50мм
дължина:6 – 12m
Марка стомана:
API 5L: GR B, X42, X46, X56, X60, X65, X70 ASTM A53: ГР А, GR B, GR C EN: S275, S275JR, S355JRH, S355J2H GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360 завъртете- L555
Повърхност: Fusion bond Epoxy coating, Епоксидна смола, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement
Тест: Анализ Химическа Компонент, механични свойства (Максимална якост на опън, Граница на провлачане, Удължение), Технически характеристики (тест на сплющивание , изпитване на огъване, Blow Test, Тест на въздействието), Външен Размер Инспекция, Хидростатично Изпитване, Рентгенова Тест.
Mill Test Certificate: EN 10204 / 3.1Б

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.
СпецификацияВъншен диаметър: Φ508mm- 1118мм (20"- 44")

Дебелина на стената: 6.0-25.4mm(1/4"-1"
Quality Standards: API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
дължина: 9-12.3m (30'- 40')
Класове: API 5L  A-X90,GB/T9711 L190-L625

JCOE LSAW PIPES(PRESS BENDING)

Prodution LineThis is large diameter longitudinal submerged arc welded (ПРОДОЛЬНОШОВНЫЕ) 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, и т.н..
СпецификацияВъншен диаметър:  Φ406mm- 1626мм (16" - 64" )

Дебелина на стената:  6.0- 75мм (1/4" - 3" )
Quality Standards:  API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
дължина:  3-12.5m ( 10'- 41' )
Класове:  API 5L A-X100, GB/T9711 L190-L690

JCOE LSAW PIPES(ROLL BENDING)

Production LineThis is the first large diameter longitudinal submerged arc welded (ПРОДОЛЬНОШОВНЫЕ) 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.
СпецификацияВъншен диаметър:Φ406mm- 1829мм (16" - 72" )

Дебелина на стената:6.0-30mm(1/4" -11/6"
Quality Standards:API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
дължина:3-12.2m ( 10'- 40' )
Класове:API 5L A-X80, GB/T9711 L190-L555

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