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ASTM A106/A53 LIne Pipe

API 5L Grade B Psl2 Carbon Steel Seamless Pipe Production Range
API 5L Pipe Sizes: Nominal Pipe Size 1/2" to 48 " O.D.
Wall Thickness: Schedule 10 through 160, STD, XS, XXS.
API 5L Seamless Pipe: B (L245) – X42 (L290) – X52N (L360) – X60 (L415) – X65 (L450)

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Seamless steel pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow — liquids and gases (fluids), slurries, powders and masses of small solids.

Seamless Pipe (and tubing) is made by extruding a steel block or by drilling a solid steel bar. Next, the extrusion or the drilled steel bar is cold drawn through a dye to achieve the diameter and thickness needed. Because this process can cause mechanical hardening, sometimes the material is annealed and straightened as a final process.

Seamless Pipe & Tubing is subdivided as:

Cold Drawn Seamless, or CDS, exhibits precise tolerances and a good surface finish.

Hot Finished Seamless, or HFS, has less critical tolerances and somewhat scaly finish and is not as strong as CDS.

For Drawn over Mandrel, or DOM tubing, the first stages of manufacturing are identical to ones used to make electric resistance welded tubing, but in the finishing stages the entire flash weld is taken out and the tube is cold drawn over a mandrel. A mandrel is a round object against which material can be forged or shaped. The cold drawn process provides the tube with better dimensional tolerances, improved surface finish and the strongest weld strength achievable.

API 5L Grade B Psl2 Carbon Steel Seamless Pipe Production Range

API 5L Pipe Sizes: Nominal Pipe Size 1/2" to 48 " O.D.

Wall Thickness: Schedule 10 through 160, STD, XS, XXS.

API 5L Seamless Pipe: B (L245) – X42 (L290) – X52N (L360) – X60 (L415) – X65 (L450)

DIMENSION: FROM 1/4” UP TO 24”

API 5L Welded Pipe: B (L245) – X42 (L290) – X52N (L360) – X60 (L415) – X65 (L450) – X70 (L485) – X80 (L555)

DIMENSION: FROM 1/2” UP TO 60”

Weld Alternatives: ERW, HF, DSAW/SAWL, SMLS, HSAW

API 5L Pipe Product Specification Level: API 5L X42 PSL 2, API 5L X42 PSL 1

Additional Services: Internal Coating

API 5L Grade B Hot Selling Grades: API 5L X42 Pipe, API 5L X46 Pipe, API 5L X52 Pipe, API 5L X56 Pipe, API 5L X60 Pipe, API 5L X65 Pipe, API 5L X70 Pipe

CHEMICAL COMPOSITION
Mass fraction, based upon heat and product analysis % maximum										CARBON EQUIVALENT a
										% MAXIMUM
Cb		Si	Mnb	P	S	V	Nb	Ti	Other	CEIIW	CEPcm
SEAMLESS & WELDED PIPES
L245R OR BR	0.24	0.4	1.2	0.025	0.015	c	c	0.04	e	0.43	0.25
L245Q OR BQ	0.18	0.45	1.4	0.025	0.015	0.05	0.05	0.04	e	0.43	0.25
WELDED PIPE
L245M OR BM	0.22	0.45	1.2	0.025	0.015	0.05	0.05	0.04	e	0.43	0.25

Mechanical Properties Of API 5L Grade B Psl2 Carbon Steel Seamless Pipe
MECHANICAL REQUIREMENTS
Y.S	T.S	ELONGATION
Mpa(psi)	Mpa(psi)
min	min	min
245(35 500)	450(50 300)	f

1.Production technology: Hot-rolled and cold drawn

2. Executive standards: API5L , ASME B36.10, ASTM A106/A53

3.Specification range:

OD: OD: 1/8 – 30 inch (10.3-762mm), WT: 0.049”- 2.5” (1.24- 63.5mm)

WT: SCH10-SCHXXS

4. Materials: GrB, Q345B, X42-70, ST44, ST52 etc.

5. Testing: Eddy current/ Hydrostatic/Ultrasonic/ Intergranular Corrosion etc.

6. Packing: Bundles, seaworthy packing, or as required by customers.

7. Application:

API seamless pipe are widely used for petroleum, power generation, natural gas, coal gas, water and some solid materials, also ship-building, chemical fertilizer equipment etc.

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