Coated 3PE Steel Tube

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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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.

①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Q: What is the difference between API 5L and ASTM A53 steel pipes?: API 5L and ASTM A53 steel pipes differ mainly in their specifications and intended applications. API 5L is a standard for seamless and welded steel pipes used for transportation of oil, gas, and water in the petroleum and natural gas industries. It specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of seamless and welded steel pipes. On the other hand, ASTM A53 is a standard specification for seamless and welded black and hot-dipped galvanized steel pipes used for mechanical and pressure applications. While both standards have similarities, they have different scopes and requirements, making them suitable for distinct purposes in different industries.

Q: How are steel pipes threaded for easy installation?: The process of threading steel pipes enables convenient installation by creating grooves or ridges in the pipe, forming a spiral pattern that facilitates connection with other threaded components like fittings or valves. There are two commonly employed methods for threading steel pipes: manual threading and machine threading. Manual threading involves the utilization of a handheld tool called a pipe die. This die, equipped with sharp teeth, cuts into the pipe while it is rotated. The pipe is secured in a vise or held firmly by hand, and the die is applied to the pipe's end. As the die rotates around the pipe, threaded grooves are formed. Executing this process necessitates skill and precision to ensure accurate and properly aligned threads. In contrast, machine threading is a more automated procedure. It utilizes a pipe threading machine, which possesses a die head that automatically cuts the threads into the pipe. The machine holds the pipe securely and rotates it while the die head moves along the pipe's length, creating the threads. Machine threading is faster and more efficient than manual threading, making it ideal for large-scale production or projects. Regardless of the chosen method, it is imperative to ensure that the threads are clean and devoid of debris or burrs. This is crucial for effortless installation and to prevent leaks or other complications. Following threading, the pipes are generally inspected to ensure compliance with the required specifications. Threading steel pipes allows for uncomplicated installation as the threaded ends can be readily screwed into fittings, valves, or other pipes possessing compatible threads. This threaded connection creates a tight seal, rendering it suitable for various applications such as plumbing, gas lines, or industrial piping systems.

Q: What is the average lifespan of steel pipes in different applications?: The average lifespan of steel pipes in different applications can vary significantly depending on factors such as the type of application, the environment it is exposed to, and the level of maintenance. However, in general, steel pipes can last anywhere from 20 to 100 years or more, making them a durable and reliable choice for various industries and infrastructure projects.

Q: How do you transport steel pipes safely?: Steel pipes can be transported safely by properly securing them using appropriate restraints, such as straps or chains, to prevent shifting or movement during transit. Additionally, using suitable equipment and vehicles, such as flatbed trucks or trailers, with adequate support and cushioning, can help ensure the safe transportation of steel pipes. Regular inspections of the securing arrangements and adherence to relevant safety regulations are also crucial to maintain the safe transport of steel pipes.

Q: Could you tell me what difference between SC galvanized steel pipe and MT wire pipe?: SC galvanized steel pipe, its pipe wall thickness, generally 20 steel pipe in 2.2-2.8mm. Also, we often refer to tap water galvanized steel pipe.MT wire pipe, its pipe wall is thin, generally 20 steel pipe in 1.5-2.2mm.

Q: What is the difference between ERW and SAW steel pipes?: ERW (Electric Resistance Welded) steel pipes are manufactured by rolling metal sheets and then welding the seams using high-frequency electrical currents. SAW (Submerged Arc Welded) steel pipes, on the other hand, are formed by welding the seams using a submerged arc welding process. The main difference between the two lies in the welding method and the resulting quality of the weld. ERW pipes tend to have a smoother and more consistent weld, while SAW pipes have a slightly rougher weld due to the submerged arc process. Additionally, SAW pipes are generally used for larger diameters and thicker walls, while ERW pipes are commonly used for smaller diameters and thinner walls.

Q: Can steel pipes be used for gas transmission pipelines?: Yes, steel pipes can be used for gas transmission pipelines. Steel is a commonly used material for gas pipelines due to its strength, durability, and resistance to corrosion. Additionally, steel pipes can withstand high pressure and temperature conditions, making them suitable for transporting natural gas over long distances.

Q: Galvanized steel pipe in addition to good rust resistance, what are the advantages?: It has the characteristics of corrosion resistance and wear resistance, so it can be used longer;

Q: What is a tight steel tube?: JDG pipe is the replacement of traditional PVC and SC pipes and other traditional wire conduits. It is a breakthrough in the field of building electrical field using new materials and technologies. The JDG pipe adopts the cross connecting ground wire of galvanized steel pipe and thin-wall steel pipe, overcomes the defects of complicated construction and large construction loss of common metal pipe, and solves the problems of poor fire resistance and difficult grounding of PVC pipe. Because the JDG pipe material is more expensive than the ordinary pipe material, it is more used in the construction, such as comprehensive wiring, fire protection wiring and so on.

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