flange dredging pipe spiral lsaw (USB032)

Specifications High accuracy, full penetration welded

Spiral, LSAW, SAW

OD: 219mm-3200mm

Certificate API5L, ISO9001, BV

Short constructed

The specifications of our Pipe Line A. General With advanced produce line, equipment and skilled workers, we can provide spiral, saw, Lsaw steel pipe and Other pipes and structures. Our main scope of pipe business are submerged pipe, Floating Pipe, and shore pipe for dredging, marine work, oil field etc. B. Construction The construction is to be built according to the drawing with rules of good workmanship. C. Materials All fabricated steelwork used in the construction of the pipe line will be to manufacturing standard of UniSite or other classification society. All materials proposed will be selected to comply with the latest Health and Safety Rules. Paint systems for hull protection will be of the highest quality (Hempel, Inter, Sigma, Jotun) D. Welding All welding will be performed in accordance with drawing and standard and UniSite experience and all welding will be continuous and full penetration. E. Main particulars

	MAIN PARTICULARS
Tolerance	High accuracy(ISO2768, ISO5817, ISO13920); Detail: ID+/-2mm, Length within 5mm, straightness: <1mm/1m
Material	10#-45#, Q195-Q345, X42-X80, L245-L255 or other materials
Technique	Spiral or Longitudinal single seam pipe or Longitudinal with crossing seams
Dimension(L*B*H)	As per drawing
Out diameter	Spiral: 219-3200mm	LSAW: 406-1420mm	SAW: 406-5080mm
Wall thickness	Spiral: 4-28mm	LSAW: 5-60mm	SAW: 5-150mm
Standard	API 5L, BS 1387, GB/T 3091-2001, GB/T9711, ASTM A53-2007, ASTM A252-1998
Special capacity	Can produce ID800*25 specification for Spiral pipe
Surface	Sa2.5 blasted and two or three layers painted with highest quality
Marking	as per clients' requirements, normal weld stainless mark plate
Inspection	material, construction, dimension, welding seam, non defective test, paint inspection
Others	Recyclable, in line with environmental requirements and standards, and reliable

  F. Process of production Spiral: Storage—Uncoiling—Flattening—Material inspection, shearing, crossing welding, edge milling, crimping press—Forming—Inside and Outside welding, de-magnetization, cutting—Ultrasonic testing—Cleaning, inspection, grinding—Pipe end expanding—Hydrostatic testing—Ultrasonic testing and X-ray testing—Beveling and chamfering—Weighting and measuring—Marking—Final inspection—Storage JCOE(LSAW): Storage-Plate feeding—Ultrasonic inspection—Flame cutting—Edge milling—Crimping press—JCO shaping—Prewelding—Inside welding—Outside welding—Ultrasonic inspection—Mend welding—Ultrasonic inspection—Tube expander—Rounding—Alignment—Beveling and chamfering—Hydrostatic testing—X-ray testing—Weighting and measuring—Marking—Final inspection—Storage   H. Certificates - Material certificates EN10204 3.1b - Inspection protocol - NDT reports - Fixed certificate: ISO9001, BV certificate, API   Accessories of our pipe line A. Main With flanges or without flanges at pipe ends. We can weld flanges with good quality.   Photos of our pipe line and equipment   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   Company Simple information Long-term cooperation with world top dredging and marine companies for more than 10years, UniSite is specialized in providing comprehensive service and parts of dredging, Land Reclamation, offshore, marine, municipal projects. UniSite is one of the most professional dredging and marine companies in design, manufacture, and construction and related products and services. UniSite group has a perfect managing system and our staff who are professional in technology are committed, passionate, efficient. Safety & quality are the key factors of UniSite group with good QHSE experience and ISO9001/BV certificate. With professionalism, vitality, innovation, respect, team spirit, UniSite culture (corporate values, corporate philosophy and behavior shaping) is continuously developing, along with our company from its foundation. UniSite group is able to offer our client best possible and most sustainable solutions to their requirement. More detail please refer to our website: /  

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