Usage: Used for low pressure liquid delivery, such as water, gas, and oil.

Standard: API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, GB/T3091, GB/T9711

Certificate: EN10217, EN10219

Out Diameter: 355.6mm– 1626mm

Wall Thickness: 8 -50mm

Length: up to 12m

Categories : LSAW Steel Pipe

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Specification

LSAW Steel Pipe

Longitudinal Submerged-Arc Welded Steel Pipe

Usage: Used for low pressure liquid delivery, such as water, gas, and oil.
Process:
LSAW – UO(UOE)、RB(RBE)、JCO(JCOE)
DSAW -Double Submerged arc welded

Standard: API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, GB/T3091, GB/T9711

Certificate: EN10217, EN10219

Out Diameter: 355.6mm– 1626mm

Wall Thickness: 8 -50mm

Length: up to 12m

Steel Grade:

API 5L: GR B, X42,X46, X56, X60,X65,X70

ASTM A53: GR A, GR B, GR C

EN: S275, S275JR, S355JRH, S355J2H

GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555

Surface: Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Vanish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement

Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Mill Test Certificate: EN 10204/3.1B

Wall Thickness

API 5L Line Pipe

STEEL GRADE

API 5L PSL1/PSL2 GR B , X42, X46, X52, X60, X65, X70

STEEL CHEMICAL COMPOSITION

STEEL GRADE	% by mass, Maximum					Прочность на разрыв, мин. psi (МПа)	Удлинение в 2 в., мин. %	Текст ячейки	Текст ячейки
STEEL GRADE	ОЦЕНКА 1	C	Si	Mn	P	S
GR B	0.26	0.40	1.20	0.030	0.030
X42	0.26	0.40	1.30	0.030	0.030
X46	0.26	0.40	1.40	0.030	0.030
X52	0.26	0.40	1.40	0.030	0.030
X56	0.26	0.40	1.40	0.030	0.030
X60	0.26	0.40	1.40	0.030	0.030
X65	0.26	0.40	1.45	0.030	0.030
X70	0.26	0.40	1.65	0.030	0.030

MECHANICAL PROPERTIES

STEEL GRADE	Yield strength, min. psi (MPa)	Tensil strength, min. psi (MPa)
GR B	245	415
X42	290	415
X46	320	435
X52	360	460
X56	390	490
X60	415	520
X65	450	535
X70	485	570

TEST REQUIRED
Chemical Analysis, Mechanical Test, Visusal Inspection , Tension Test, Dimension Check
Bend Test , Flattenting Test, Impact Test, DWT Test, NDT Test
Hydrostatic Test, Hardness Test…..

ASTM A53 Steel Pipe

ASTM A53 GR B Steel Pipe
STEEL CHEMICAL COMPOSITION

The steel shall conform to the following requirements as to chemical composition:

STEEL GRADE

Composition Max, %