API 5L PSL1 X56 (L390) seamless steel pipe chemical mechanical properties

Standard: API 5L

The production of API 5L PSL1 X56 (L390) seamless steel pipe adopts microalloying heating treatment process, the production cost of API 5L PSL1 X56 (L390) seamless steel pipe is significantly higher than that of welded pipe, and with the improvement of steel grade, such as the limitation of carbon equivalent of pipeline pipe with steel grade above X80.

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The production of API 5L PSL1 X56 (L390) seamless steel pipe adopts microalloying heating treatment process, the production cost of API 5L PSL1 X56 (L390) seamless steel pipe is significantly higher than that of welded pipe, and with the improvement of steel grade, such as the limitation of carbon equivalent of pipeline pipe with steel grade above X80.

API 5L PSL1 X56 (L390) seamless steel pipe chemical composition

Grade	C	Mn	Ti	P	S
API 5L PSL1 X56 (L390)	0.28	1.4	0.04	0.030	0.030

API 5L PSL1 X56 (L390) seamless steel pipe mechanical properties

Grade	Yield strength min	Tensile strength
API 5L PSL1 X56 (L390)	386 Mpa	490 Mpa

API 5L PSL1 X56 (L390) seamless steel pipe specification scope

OD	Wall thickness
10.3mm-965.2mm	1.0mm-60mm

API 5L PSL1 X56 (L390) seamless steel pipe application
API 5L PSL1 X56 (L390) seamless steel pipe is the API 5L standard for oil pipeline pipe, which is used for oxygen, water and oil transmission pipes in oil and natural gas industry;

API 5L PSL1 X56 (L390) seamless steel pipe can also be used for engineering infrastructure construction, landscaping of forest park roads, drainage pipes, construction of plant steel hooks and high-voltage power towers.

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