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Pipeline steel pipe Description

Pipeline steel is a steel pipe used to manufacture oil and gas pipelines. Its main characteristics include high compressive strength, low temperature toughness and good welding performance. These characteristics ensure that pipeline pipes can withstand complex environments such as high pressure and low temperature when transporting fluids such as oil and natural gas, while ensuring the connection quality and overall performance of the pipeline.

Pipeline steel pipes are used to transport oil, gas and water extracted from the ground to oil and gas industrial enterprises through pipeline pipes. Pipeline pipes include seamless pipes and welded steel pipes. The pipe ends have flat ends, threaded ends and socket ends; the connection methods are end welding, coupling connection, socket connection, etc.


L245

L245 usually refers to Grade B pipeline steel under API 5L standard, and its chemical composition and mechanical properties meet the AMSA A8.1 standard. L245 is a foreign brand, mainly used for pipeline steel plates


X52

X52 is a pipeline steel pipe brand under GB/T9711.1 standard, which belongs to medium-strength pipeline steel pipes. X52 has a minimum yield strength of 453 MPa and is typically used in pipeline systems that require moderate strength and pressure resistance.


API 5L Line Pipe

Outer diameter: 21.3mm-610mm

Wall thickness: 2.77mm-59.54mm


ASME B36.10 Line Pipe

Nace TM0177 Line Pipe

ISO 15156 Line Pipe


serial numberSpecifications and modelsOuter diameter(mm)Wall thickness(mm)MaterialLength(m)Pressure level (MPa)Execution standardScope of application
1Φ21.3×2.7521.32.75

API 5L GR.B,

 X42, X52, etc.

6—121.6-6.4GB/T 9711Oil and natural gas transmission pipelines
2Φ26.9×2.7526.92.75

Q235B, Q345B,

 L245, L290, etc.

6—122.5-10GB/T 3091, EN 10217

Transportation of low-pressure fluids

 such as water, gas, and air

3Φ33.7×3.2533.73.25

Alloy steel, stainless

 steel (304, 316L, etc.)

custom made4.0-16ASTM A312, ASME SA312

Chemical, pharmaceutical,

 food and other industries

4Φ48.3×3.548.33.5

Carbon steel, alloy steel,

 low temperature steel

6—186.3-25ISO 3183, DNV OS-F101

Offshore platform, deep sea oi

l and gas field development

5Φ60.3×4.060.34

X60, X65, X70 and other

 high-strength pipeline steels

12—2410-405L PSL2, GB/T 9711.2

Long-distance, large-diamete

r oil and gas transportation

6Φ88.9×4.588.94.5

Corrosion-resistant alloys

 (Incoloy 800, Hastelloy C-276, etc.)

custom madeDepends on materialNACE MR0175, ASTM B409

Transportation of corrosive media,

 such as sulfuric acid, hydrochloric acid, etc.

7Φ114.3×5.0114.35Duplex stainless steel (2205, 2507, etc.)custom madeHigh strength and corrosion resistanceEN 1.4462, UNS S31803

Marine engineering, desalination,

 petrochemical industry

8Φ139.7×6.0139.76Titanium alloy (TA2, TC4, etc.)custom madeLow temperature, high strengthASTM B338, GB/T 3625

Aerospace, nuclear industry,

 chemical industry, etc.

9Φ168.3×6.5168.36.5

Nickel-based alloys

 (Inconel 625, Monel 400, etc.)

custom madeHigh temperature, corrosion resistanceASTM B407, ASTM B164

High temperature, high pressure,

 corrosive environment

10Φ219.1×8.0219.18

Composite pipeline steel pipe

 (lined with stainless steel, lined with plastic, etc.)

custom madeOverall performanceDepends on design requirements

Conveying pipelines i

n special environments



We specialize in providing high-quality pipeline steel pipes, using high-quality raw materials, precision processing and strict testing to ensure that each steel pipe has excellent strength and corrosion resistance. These pipeline steel pipes are suitable for use in a variety of complex environments, whether it is the transportation of energy such as oil and natural gas, or the construction of infrastructure such as urban water supply and drainage, and can perform excellently. We have a variety of specifications and models to choose from to meet the needs of different customers. At the same time, we also provide customized services and produce according to customers' specific requirements to ensure that the products perfectly fit the actual application scenario. Choosing our pipeline steel pipes means choosing reliable quality and considerate service.

 

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