Unisite Group Ltd.

Small Size Saw Steel Pipe,Saw Longitudinal Steel Pipes,Small Longitudinal Saw Steel Pipes


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Small longitudinal saw steel pipes

Basic Info

Model No.USA-045


DimensionAs Per Drawing/order

InspectionMaterial, Construction, Dimension, Welding Seam, N

Grade10#-45#, Q195-Q345, X42-X80, L245-L255 Or Other Ma

StandardAPI 5L, BS 1387, GB/T 3091-2001, GB/T9711, ASTM A5

CertificateAPI BV

ApplicationMarine Steel Structure And Dredging Field And Oil

ToleranceHigh Accuracy(ISO2768, ISO5817, ISO13920); Detail:

SurfaceSa2.5 Blasted And Two Or Three Layers Painted With


Small Size Saw Steel PipeSaw Longitudinal Steel Pipes

Additional Info

Packagingbulk package and bulk vessel transportation; frame container package and frame container transportation


Place of Originchina mainland(zhejiang)


Payment TypeL/C,T/T


Delivery Time30 Days

Product Description

Anti-corrosion insulation double submerged arc welded pipe is a Steel Pipe in different working environments ensure double-sided buried arc welding and surface temperature at the same time to slow down or prevent in the chemical and electrochemical effects of medium or by the metabolic activity of microorganisms has been eroded and deterioration of insulation anti-corrosion measures. Saw Longitudinal Steel Pipes

Introduction of Saw Pipe

1.the air plasma cutting machine to cut a single pipe.
2. into a single tube, each batch of steel tube head to strict inspection system first, check the weld mechanical properties, chemical composition, blending, surface quality of steel pipe and after nondestructive inspection, to ensure that the pipe manufacturing technology qualified, can be formally put into production.
3. in the weld on the site of continuous acoustic inspection marks, after manual ultrasound and X ray review, if there are defects, after repair, once again after the non destructive testing, until the defects have been eliminated.
4. strip butt weld and intersecting and spiral seam D connector tube, all through X ray TV or film examination.
5. each pipe is tested by hydrostatic pressure, and the pressure is sealed by radial seal. The test pressure and time are strictly controlled by the steel pipe water pressure computer testing device. Automatic print record of test parameters.
6. the pipe end machining, the end verticality, accurate control of slope angle and blunt edge.
Submerged arc Welded Steel Pipe and its standard classification: pressurized fluid transportation of spiral submerged arc welded steel pipe (SY5036-83) is mainly used for oil and natural gas pipeline; pressure fluid transportation with spiral welded steel pipe (sy5038-83), with high frequency welding method of lap welding, used for pressure flow transport of spiral seam high frequency welding steel tube. Steel pipe pressure ability, good plasticity, facilitate welding molding and processing; generally low voltage liquid transportation with spiral submerged arc welded steel pipe (SY5037-83), using double-sided automatic buried arc welding or welding was made for water, gas, air and steam general low-pressure fluid conveying submerged arc welded steel pipe.

Our service
Besides above the general specifications, we can also supply some specific pipes and other similar steel structure as clients' requirements.

Package and shipping
bulk package and bulk vessel transportation
frame container package and frame container transportation

Introduction of our group

UniSite group was established in a strategic location, Chinese second largest port, Ningbo, which is characterized by visible leadership, vitality, innovation, long-term vision and a sound financial position.
As an international partner, we are specialized in providing comprehensive service of dredging, land reclamation, offshore projects, marine engineering, municipal engineering and environmental remediation projects.
Besides our own production base and technology system, we also have strategic partnerships with DONGPENG shipyard, a leading producer of chemical vessels in China.
The group has a perfect managing system and our staff who are professional in technology are committed, passionate, efficient. Thanks to the knowledge, the experience and the skills of our work team, we are able to offer our client best possible and most sustainable solutions to their requirement. We are one of the leading steel parts and service providers for dredging and marine engineering in China.
UniSite culture consists of corporate values, corporate philosophy and behavior shaping, which is the core of responsibility and breakthrough. Based on this core, with professionalism, vitality, innovation, respect, team spirit, UniSite culture is continuously developing, along with our company from its foundation.

steel pontoons

steel pontoon

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Product Categories : Steel Pipe > Saw Pipe

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  • Small longitudinal saw steel pipes
  • Small longitudinal saw steel pipes
  • Small longitudinal saw steel pipes
  • Small longitudinal saw steel pipes
  • Small longitudinal saw steel pipes
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