Length: 0.3 – 18m

Out Diameter: 21.3mm -660mm

Wall Thickness: 1.5mm-22.2mm

Certificate: API 5L PSL1/ PSL2, API 5CT

Categories: Casing and Tubing , ERW Steel Pipe

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Specification

ERW Steel Pipe

Electric Resistance Welded Steel Pipe

Usage: Used for low pressure liquid delivery, such as water, gas, and oil. Oil drilling and machinery manufacturing, etc.

Process:

ERW: Electric Resistance Welded pipe

HFI: High Frequency Induction weld pipe

EFW: Electric Fusion Welded Pipe

Standard: API 5L, API 5CT, ASTM 53, EN10217, DIN 2458. IS 3589, JIS G3452, BS1387

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

Trials:
Chemical analysis
Mechanical property testing
Visual inspection
Tensile testing
Dimensional testing
Bending testing
Flatting testing
Impact testing
DWT test (Drop Weight Tear Test)
Non-destructive testing (NDT)
Hydrostatic testing
Hardness testing
ASTM A53 Grade B steel pipe

Chemical composition of steel:
The steel meets the following chemical composition requirements:

STEEL GRADE

Composition Max, %