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Pipeline Steel Plates

Steel plate for large diameter pipelines are mainly used as long distance transportation pipeline for oil, gas,liquid coal etc. on land and offshore. Typical Steel plate for large diameter pipelines standards include three types: EN 10208-2 steel, DIN 17172 steel, API 5L steel.Steel plates for large diameter pipes or pipeline steel plates in addition requires a high compressive strength, but also requires a high temperature toughness and excellent weldability.

Description

Pipeline Steel Plate

As we know octg pipes (line pipe or casing and tubing pipes) have two different manufacturing methods, seamless and welded. So pipeline steel plate is dessigned to be processed into welded line pipes, including ERW, LSAW, SSAW welding processes. And API 5CT pipes can also be made in welded ERW type, so pipeline steel plate and coils also covers these pipes. But welded api 5ct pipe is not always accepted, mostly, casing and tubing pipe are accepted in seamless types.

Pipeline steel plates are used to fabricate large diameter welded pipes which transport oil and nature gas.Now more and more world's people foucs on protecting our enviroment,the new clean energy nature gas is widely used through pipelines.These pipeline steel plates owned ability of resisting high pressure,atmospheric corrosion and lower temperature surroundings.GNEE steel Pipeline steel plates main steel grade:API 5L Gr.B X42 X52 and so on.

API Spec 5L PSL1

API Spec 5L PSL1 X70

PipeAPI Spec 5L PSL1 X60

PipeAPI Spec 5L PSL1 X65

PipeAPI Spec 5L PSL1 X52

PipeAPI Spec 5L PSL1 X56

PipeAPI Spec 5L PSL1 X42

PipeAPI Spec 5L PSL1 X46

PipeAPI Spec 5L PSL1 Grade A

API Spec 5L PSL1 Grade B

API Spec 5L PSL2

API Spec 5L PSL2 X70

PipeAPI Spec 5L PSL2 X80

PipeAPI Spec 5L PSL2 X60

PipeAPI Spec 5L PSL2 X65

PipeAPI Spec 5L PSL2 X52

PipeAPI Spec 5L PSL2 X56

PipeAPI Spec 5L PSL2 X42

PipeAPI Spec 5L PSL2 X46

PipeAPI Spec 5L PSL2

Grades Mechanical properties of pipeline steel plate

Grade   Permissible yield point ratio Yield Strength MPa(min) Tensile Strength MPa Elongation % (min)
API 5L EN 10208-2        
API 5L Gr. B L 245NB ≤ 0.85 240 370 - 490 24
API 5L X 42 L 290NB ≤ 0.85 290 420 - 540 23
API 5L X 52 L 360NB ≤ 0.85 360 510 - 630  
API 5L X 60 L 415NB        
API 5L Gr. B L 245MB ≤ 0.85 240 370 - 490 24
API 5L X 42 L 290MB ≤ 0.85 290 420-540 23
API 5L X 52 L 360MB ≤ 0.85 360 510 - 630  
API 5L X 60 L 415MB        
API 5L X 65 L 450MB ≤ 0.85 440 560 - 710  
API 5L X 70 L 485MB ≤ 0.85 480 600 - 750  
API 5L X 80 L 555MB ≤ 0.90 555 625 - 700 20

The main materials and grade of large diameter pipeline steel plate are :

Material # EN 10208-2 DIN 17172 API 5L
1.0457 L 245NB StE 240.7 Gr. B
1.0484 L 290NB StE 290.7 X 42
1.0582 L 360NB StE 360.7 X 52
1.8972 L 415NB StE 415.7 X 60
1.0418 L 245MB StE 240.7 TM Gr. B
1.0429 L 290MB StE 290.7 TM X 42
1.0578 L 360MB StE 360.7 TM X 52
1.8973 L 415MB StE 415.7 TM X 60
1.8975 L 450MB StE 445.7 TM X 65
1.8977 L 485MB StE 480.7 TM X 70
1.8978 L 555MB X 80

Steel plate for large diameter pipeline API 5L pipeline steel plate for transporting oil and gas

Pipeline steel plate is rolled according to API standard and widely used to transport oil, natural gas and other large diameter welded steel pipes.

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