HIGH QUALITY 3PE COATED STEEL PIPE
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Packaging & Delivery
| Packaging Detail: | Plastic plugs in both ends Hexagonal bundles of max. 2000kg with several steel strips Two tags on each bundle Wrapped in waterproof paper PVC sleeve and sackcloth with several steel strips Plastic caps |
| Delivery Detail: | within 45 days after confirmation |
Specifications
API 5L PSL1/PSL2 Gr.B/X42/X52/X56/X60/X65/X70/X80 3PE/FBE Coated Line Pipe
OD: 2"-30",
WT:0.250"-4"
L:random,fixed,SRL,DRL
Application
Used for construction of long distance pipelines for combustible liquids and gases, nuclear station pipelines, heating system pipelines, general-purpose pipelines, vessels manufacturing, mechanical engineering and instrumental engineering.
DISTINCTIVES FEATURES
A) The External surface is shot-blasted (Sa 2 1/2) by removing millscale and rust, obtaining metal surface to facilities the adhesion.
B) The pipe is heated in a electric or gas oven at a controlled temperature.
C) The adhesive is then applied by hot meit or copolymer. It binds the polythylene to the steel.
D) Immediately afterwards, the extruded polyethylene/polyprophylene is coated on the pipe.
E) After application of the polyethylene/polyprophylene, the pipe is coated by spraying water.
Process
SEAMLESS
HOT ROLLED
COLD DRAWN
WELDED
ERW (Electric Resistance Welded)
HFI (High Frequency Induction)
EFW(ELECTRIC FUSION WELDED TUBE)
LSAW (Longitudinal Submerge-arc Welded) UO(UOE),RB(RBE),JCO(JCOE)
DSAW (Double Submerged arc welded)
SAW (Spiral Welded)
SSAW (Spiral Submerged-arc Welded)
Quality Standard
SEAMLESS PROCESS
GB/T 8163 Seamless steel tubes for liquid service
ASTM A106 Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service
DIN 1629 SEAMLESS CIRCULAR TUBES OF NON ALLOY STEELS WITH SPECIAL QUALITY REQUIREMENTS
API 5L Line Pipe
WELDED PROCESS
ERW HFI , EFW, LSAW, DSAW
GB/T3091 Welded steel pipe for low pressure liquid delivery
GB/T9711 Petroleum and natural gas industries--Steel pipe for pipelines
EN10217 Welded steel tubes for pressure purposes.
IS 3589 Steel tubes for water and sewage
IS 1978-1982 Steel tubes for use in transportation of oil; gas & Petroleum products
BS 1387 Steel Tubes for use for Water, Gas, Air and Steam
ASTM A53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
DIN 2458 WELDED STEEL PIPES AND TUBES
API 5L Line Pipe
SAW SSAW
SY/T5037 Spiral submerged arc-welded steel pipe for pipelines for low pressure field fluid service
SY/T 5040 Spiral submerged arc-welded steel pipe piles
CJ/T 3022 Spiral submerged-arc welded steel pipe for municipal heat supply
IS 1978 Steel tubes for use in transportation of oil; gas & Petroleum products
API 5L Line Pipe
Coating Standard
ANSI/AWWA C104/A21.4 American National Standard for Cement-Mortar Lining for Ductile-Iron Pipe and Fittings for Water
ISO 21809 Petroleum and natural gas industries -- External coatings for buried or submerged pipelines used in pipeline transportation systems
DIN 30670 Polyethylen coatings of steel pipes and fittings
Steel Grade
SEAMLESS PROCESS
GB/T 8163 10# 20# 35# 45# 16MN(Q345B)
GB 3087 10# 20# 35# 45# 16MN(Q345B)
GB 5310 20G 12Cr1MoV 12Cr1MoVG 12CrMoG
ASTM A106 Gr A Gr B Gr C
DIN 1629 St 37.0 St 44.0 St 52.0
API 5L A B X42X46 X52 X60 X65 X70 X80
WELDED PROCESS
GB/T3091 SY/T5037 SY/T 5040CJ/T 3022
Q195 Q215 Q235 Q275 Q295 Q345 08F 08 08AL 08F 10F 10 HG5 DF08 SPHC M8
BS 1387 EN10217 S185 S235 S235JR S235 G2H S275 S275JR S355JRH S355J2H St12 St13 St14 St33 St37 St44 ST52
ASTM A 53 Gr. A Gr B Gr C Gr.D
API 5L A B X42 X46 X52 X56 X60 X65 X70
GB/T9711 L175 L210 L245 L290 L320 L360 L290 L320 L360 L390 L415 L450 L485 L555
Size
SEAMLESS PROCESS
Outer Diameter Hot finish 2" - 30" Cold drawn 0.875" - 18"
Wall Thickness Hot finish 0.250" - 4.00" Cold drawn 0.035" - 0.875"
Length Random Length Fixed Length SRL DRL
WELDED PROCESS
ERW HFI EFW
Outer Diameter 6mm-610mm (1/16"-24")
Wall Thickness 0.3mm-22mm
Length 0.5mtr-20mtr
LSAW DSAW
Outer Diameter 219mm-1820mm
Wall Thickness 5.0mm-50mm
Length 6mtr-18mtr
SAW SSAW
Outer Diamter 219.1mm - 4064mm (8" - 160")
Wall Thickness 3.2 mm - 40mm
Length 6mtr-18mtr
End
square ends (straight cut saw cut and torch cut);
beveled for welding (All line piping is square cut to the tolerance specified and bevelled to ANSI B16.25. An angle of 30º (-0º +5º) and a landing of 16 mm ±08 mm is applied. Schedule 160 material is supplied without bevelling.)
Surface Lightly oiled Hot dip galvanized Electro galvanized Black Bare Varnish coating/Anti rust oil Protective Coatings (Coal Tar Epoxy Fusion Bond Epoxy 3-layers PE)
Test Chemical Component Analysis Mechanical Properties (Ultimate tensile strength Yield
strength Elongation) Technical Properties (Flattening Test Bending Test Hardness Test Blow Test Impact Test etc.) Exterior Size Inspection Hydrostatic Test(The standard pressure is limited to 207 MPa (3000 psi)) X-ray Test.
Mill Test Certificate EN 10204/3.1B
Third party inspection SGS BV Lloyds etc.
- Q:How are steel pipes used in the telecommunications industry?
- Steel pipes are commonly used in the telecommunications industry for various purposes such as underground cable installation, protection of fiber optic cables, and support of communication towers.
- Q:What is the difference between steel pipes and fiberglass-reinforced pipes?
- Steel pipes are made from a durable and strong material known as steel, which provides high strength and resistance to corrosion. On the other hand, fiberglass-reinforced pipes are made from a combination of fiberglass and resin, offering a lightweight and corrosion-resistant alternative. While steel pipes are commonly used for heavy-duty applications such as oil and gas pipelines, fiberglass-reinforced pipes are often preferred for applications that require resistance to chemicals and high temperatures, like in the chemical industry. Additionally, fiberglass-reinforced pipes have the advantage of being non-conductive, making them suitable for certain electrical applications.
- Q:What are the common materials used for pipe fittings in steel pipes?
- The common materials used for pipe fittings in steel pipes include carbon steel, stainless steel, and alloy steel. Carbon steel pipe fittings are widely used due to their affordability, strength, and durability. They are suitable for various applications, including oil and gas, petrochemical, and water distribution systems. Stainless steel pipe fittings are highly resistant to corrosion and are commonly used in industries that require a high level of hygiene, such as food and beverage and pharmaceutical industries. Alloy steel pipe fittings are composed of multiple elements, such as chromium, nickel, and molybdenum, to enhance their strength and resistance to corrosion. These fittings are often used in high-pressure and high-temperature applications, such as power plants and chemical plants. Overall, the choice of material for pipe fittings in steel pipes depends on the specific requirements of the application and the environment in which they will be used.
- Q:How are steel pipes insulated for thermal applications?
- Steel pipes are commonly insulated for thermal applications using various materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to create a protective barrier that reduces heat transfer. Additionally, a vapor barrier may be installed to prevent moisture condensation. This insulation helps to maintain the desired temperature of the fluid or gas being transported through the pipes and prevents energy loss.
- Q:How are steel pipes inspected for defects?
- Steel pipes are typically inspected for defects using various non-destructive testing methods such as ultrasonic testing, magnetic particle inspection, and visual inspection. These techniques help identify any cracks, corrosion, or other defects in the pipes, ensuring their structural integrity and quality.
- Q:Can steel pipes be used for conveying compressed air?
- Yes, steel pipes can be used for conveying compressed air. Steel pipes are commonly used in applications where high pressure and durability are required, such as in industrial settings. Steel pipes have a high tensile strength and can withstand the high pressures generated by compressed air systems. Additionally, steel pipes are resistant to corrosion, which is important when dealing with moisture in compressed air. However, it is important to ensure that the steel pipes are properly sized and rated for the specific pressure and flow requirements of the compressed air system. Additionally, proper installation and maintenance practices should be followed to prevent any potential leaks or failures.
- Q:Can steel pipes be used for shipbuilding?
- Yes, steel pipes can be used for shipbuilding. Steel pipes are commonly used in shipbuilding due to their high strength, durability, and resistance to corrosion. They are utilized for various purposes such as structural components, piping systems, and ventilation systems in ships.
- Q:What are the potential health hazards associated with steel pipe installation?
- Some potential health hazards associated with steel pipe installation include exposure to hazardous chemicals used in the coating or treatment of the pipes, inhalation of dust or fumes generated during cutting or welding, and physical injuries due to accidents or mishandling of heavy equipment. Additionally, improper handling or disposal of waste materials and contaminated water can pose environmental health risks. It is important to follow proper safety protocols, use personal protective equipment, and ensure proper ventilation and waste management to mitigate these hazards.
- Q:Can steel pipes be used for conveying corrosive substances?
- Steel pipes can be used for conveying corrosive substances, but it is important to choose the right type of steel and consider additional protective measures. Stainless steel pipes, for example, are highly resistant to corrosion and can handle a wide range of corrosive substances. However, it is crucial to consider the specific corrosive properties of the substance being conveyed and the concentration levels. In some cases, additional protective coatings or linings may be necessary to prevent corrosion and ensure the longevity of the steel pipes. Regular maintenance and inspection are also essential to detect and address any signs of corrosion to prevent leaks or failures in the piping system. Overall, steel pipes can be used for conveying corrosive substances, but proper material selection, protective measures, and maintenance are vital to ensure safe and efficient operations.
- Q:How are steel pipes tested for pressure and leakage?
- To ensure the safety and reliability of steel pipes, various methods are employed to test them for pressure and leakage. Hydrostatic testing is a commonly used technique, whereby the pipe is filled with water and subjected to a specific pressure for a set period of time. This examination aims to detect any weaknesses or leaks by observing if there is a drop in pressure or visible water leakage. The test carefully monitors and measures the pressure, and if the pipe successfully withstands the required pressure without any signs of leakage, it is deemed to have passed. In addition to hydrostatic testing, other non-destructive methods can also be utilized. Ultrasonic testing, for instance, employs high-frequency sound waves to identify flaws or defects in the pipe material. Similarly, magnetic particle testing involves the application of a magnetic field to the pipe and inspecting it for any magnetic particles that may indicate cracks or imperfections. Furthermore, visual inspection is a crucial component of the pressure and leakage testing of steel pipes. Trained inspectors thoroughly examine both the exterior and interior surfaces of the pipe to detect any visible signs of damage, such as corrosion, cracks, or faulty welds. This visual assessment aids in identifying potential weak points that may lead to leaks or failures under pressure. In summary, a comprehensive evaluation of steel pipes for pressure and leakage involves a combination of hydrostatic testing, non-destructive methods, and visual inspection. These rigorous procedures guarantee that the pipes meet the required standards and are safe for their intended applications.
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HIGH QUALITY 3PE COATED STEEL PIPE
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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