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ASTM A36 1000mm LSAW SSAW large diameter 3pe spiral anti corrosion welded tube API5L 5CT carbon steel pipe for oil and gas
Product Description
Spiral Steel Pipe
It is made by rolling low-carbon carbon structural steel or low-alloy structural steel strip according to a certain spiral angle (called forming angle) into a tube blank, and then welding the tube seam together. It can be made with a narrower Strip steel produces large diameter steel pipes. Its specifications are expressed by outer diameter * wall thickness, and the welded pipe shall be ensured that the hydraulic test, the tensile strength of the weld and the cold bending performance must meet the requirements.
Advantages of spiral welded pipe:
(1) Steel pipes of different diameters can be produced using strip steel of the same width, and steel pipes of large diameter can be produced from narrow strip steel.
(2) Under the same pressure conditions, the stress of the spiral welded seam is smaller than that of the straight seam, which is 75% to 90% of that of the straight seam welded pipe, so it can withstand greater pressure. Compared with the straight seam welded pipe of the same outer diameter, the wall thickness can be reduced by 10% to 25% under the same pressure.
(3) The size is accurate, the general diameter tolerance does not exceed 0.12%, the deflection is less than 1/2000, and the ovality is less than 1%. Generally, the sizing and straightening process can be omitted. (4) Continuous production is possible. In theory, long steel pipes can be produced, with small head and tail loss, and can increase the metal utilization rate by 6% to 8%.
(5) The equipment is light in weight and low initial investment. It can be made into a trailer-type mobile unit to directly produce welded pipes at the construction site where the pipeline is laid.
The production of spiral welded steel pipes can reflect the advantages of high quality and high efficiency. The production capacity of one spiral welded pipe unit is equivalent to 5-8 sets of straight seam welded pipe equipment. How to make multiple pipe coiling equipment production lines meet the same production standard, that is, produce according to a unified production process specification and quality assurance system to meet welding quality Requirements and piping manufacturing grades will be an arduous task.
Specification
Production
Spiral Welded Steel Pipe
Brand
Longford
Standard
API 5L, API 5CT, SY/T5037, SY/T5040, GB/T9711.1,GB/T9711.2, A, B, X42-X80, L175-L555,L245NB, etc.
Material
1.0033,08F,A53,A106,Q235,Q345b,
Out Diameter
159mm-3200mm
Wall Thickness
3mm-30mm
Length
5.8m-11.8m,or as customer's requirements.
Place of Origin
Tianjin, China
Main Market
Middle East,Africa,South-east Asia,USA,Canada,South America
Technique
SAW, ERW welyading etc.
Usage
1. Piling project
2. Heat-supply project
3. Conveying drinking water,drainage,coal gas,fuel gas,mine slurry and other low & middle pressure fluids
4. API5L Petroleum and natural gas pipeline
5. Chemistry industry
6.Electric power engineering circulating pipe
Package
1.Bundle packing or in bulk
2. Bevelled or plain ends as per buyer's request
3. Marks: as per customer's request
4. Surface treatment: with or without varnish/2PP/2PE/3PE/3PP/FBE coating
5. Metal or plastic protecting caps at pipe ends
Delivery Time
about 20days after receipt of irrevocable L/C at sight or 30% deposit T/T
Other products
1.Spiral welded steel pipe
2.LSAW steel pipe
3.ERW steel pipe
4. Casing pipe
External Coating
FBE, 2PE, 3PE,3PP etc.
Pipe end
Plain end, beveled end, PVC covered and both ends capped ,threaded and coupled
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2016
Total Annual:
10000000-50000000
Employee Number:
>100
Ecer Certification：
Active Member
Hebei Zexu Pipeline Manufacturing Co., Ltd. has a complete production and operation management system and is one of the first companies in the industry to pass the ISO9001 quality management system certification, HSE environment, and occupational health and safety management sys... Hebei Zexu Pipeline Manufacturing Co., Ltd. has a complete production and operation management system and is one of the first companies in the industry to pass the ISO9001 quality management system certification, HSE environment, and occupational health and safety management sys...
