API 5L X56 Line Pipe

Feb 04, 2023

API 5L X56 Line Pipe

Standard ： API SPEC 5L

Application of API 5L X56 line pipe： It is used for conveying gas,water,and petroleum of both the oil and natural gas industries.

Standard	Product Specification Level	Steel grade	Yield Strength (min), Mpa	Tensile Strength(min), Mpa
API 5L	PSL 1	L210 or A	210	335
		L245 or B	245	415
		L290 or x42	290	415
		L320 or X46	320	435
		L360 or X52	360	460
		L390 or X56	390	490
		L415 or X60	415	520
	PSL 2	L245Ror BR	245~450	415~760
		L290R or X42R	290~495	415~760
		L245N or BN	245~450	415~760
		L290N or X42N	290~495	415~760
		L320N or X46N	320~525	435~760
		L360N or X52N	360~530	460~760
		L390N or X56N	390~545	490~760
		L415N or X60N	415~565	520~760

Nominal Diameter Range	Outside diameters Rang(mm)	Coating Type	Coating Layer	Coating thickness
DN100~600	114.3~609.6	Three layers polyethylene		2.0~4.5mm
			Inside layer: epoxy(Green)

			Mid Layer：adhesive（White）

			Outside layer：polyethylene (Black)
		Two layers polyethylene		2.0~4.5mm
			Inside layer: adhesive

			Outside layer：polythene
DN80~600	88.9~609.6	FBE epoxy		200~400um
			Epoxy
		2FBE Two layers epoxy		400~800um
			Inside layer: epoxy(Green)

			Outside layer：intensity epoxy(sage green)
DN100~600	114.3~609.6	3PP Three layers polypropylene		2.5~3mm
			Inside layer: epoxy(Green)

			Mid Layer：adhesive（White）

			Outside layer：polypropylene（White）