API 5L Pipe Lines

API 5L ERW Pipes

The API 5L Grades are for transferring and Processing oil, gas, water in the petroleum and Gas distribution Companies. The API 5L Pipe catalog and its specification is available on API website.

Types of API Pipes

1. Seamless Pipe
2. ERW or welded Pipe

USAGE of API Pipe

Seamless Pipe are available up to 24 Inches. and LSAW above 24 Inches.

ERW – Welded Pipe is up to 20 inches.

Specification of API Pipes

• API PSL 1, and API PSL2 is a basic standard for pipelines
• Black painted, Varnish Coated and anti rust oil treatment as per customer demand.
• Galvanized API pipe are also available .

End type of API pipe

1. Plain ends
2. Bevel Ends
3. Threaded.

Advantage of API 5L Pipe

1. less expensive as compare to maintenance.
2. Long shelf life as it has a property of crack resistance.
3. Suitable for all types of fluid, OIl, Gas and water.

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Dealer of API pipe

U.K & Sons is the authorised Distributor of API 5L ERW Pipe Lines – Jindal make.

API grade Pipe Lines is a kind of steel pipes exclusively used in Oil, Gas, Petrochemical Industries.

These Special Grade Pipes is used to for the transmission of Oil, Gas and Petroleum Distilleries and refineries.

API ERW Pipe Lines are manufactured as per the standard and specs specified by API i.e the American Petroleum Institute.

ERW – API 5L Pipe Lines is one of the part under API category which defines the specification of the pipes.

API- 5l stands for particular properties specified under API charts like dimension, physical, mechanical and chemical properties of the steel.

We are regular supplier to IOCL, BPCL, HPCL, GAIL, OIL, EIL, and other companies in the field of OIL, PETRO and Gas.

API 5L similar Grades as per other standard

• A53 Gr B and A106 Gr B are equivalent
• API 5l Gr X42 and API 5L Gr b are also similar.
• EN Standard EN 10216-1 P265 GH is equivalent to ASTM A 106 Grade B.
• ASTM A 106 Grade B is also similar to API 5L.

Testing

Description of Test	Grade API 5L – PSL1	Grade API 5L – PSL2
Charpy test	N.A	Yes all Grades
Seamless NDT test	if specified under SR4	SR4 is mandatory
Certification	Certificates when specified per SR15	Certificates (SR 15.1) mandatory
Traces	after all test are passed and if also SR15 asked.	(SR 15.2) mandatory to check the traceability.
Hyd. Test	Must	Must

DIMENSION OF API 5 L PIPE

Size	OD	SCH-10	SCH-20	SCH-30	SCH-STD	SCH-40	SCH-60	SCH-XS	SCH-80	SCH-100	SCH-120	SCH-140	SCH-160	SCH-XXS
1/8	0.405				0.068	0.068		0.095	0.095
1/4	0.540				0.088	0.088		0.119	0.119
3/8	0.675				0.091	0.091		0.126	0.126
1/2	0.840				0.109	0.109		0.147	0.147				0.187	0.294
3/4	1.050				0.113	0.113		0.154	0.154				0.219	0.308
1	1.315				0.133	0.133		0.179	0.179				0.250	0.358
1 1/4	1.660				0.140	0.140		0.191	0.191				0.250	0.382
1 1/2	1.900				0.145	0.145		0.200	0.200				0.281	0.400
2	2.375				0.154	0.154		0.218	0.218				0.344	0.436
2 1/2	2.875				0.203	0.203		0.276	0.276				0.375	0.552
3	3.500				0.216	0.216		0.300	0.300				0.438	0.600
3 1/2	4.000				0.226	0.226		0.318	0.318
4	4.500				0.237	0.237		0.337	0.337		0.438		0.531	0.674
5	5.563				0.258	0.258		0.375	0.375		0.500		0.625	0.750
6	6.625				0.280	0.280		0.432	0.432		0.562		0.719	0.864
8	8.625		0.250	0.277	0.322	0.322	0.406	0.500	0.500	0.594	0.719	0.812	0.906	0.875
10	10.750		0.250	0.307	0.365	0.365	0.500	0.500	0.594	0.719	0.844	1.000	1.125	1.000
12	12.750		0.250	0.330	0.375	0.406	0.562	0.500	0.688	0.844	1.000	1.125	1.312	1.000
14	14.000	0.250	0.312	0.375	0.375	0.438	0.594	0.500	0.750	0.938	1.094	1.250	1.406
16	16.000	0.250	0.312	0.375	0.375	0.500	0.656	0.500	0.844	1.031	1.219	1.438	1.594
18	18.000	0.250	0.312	0.438	0.375	0.562	0.750	0.500	0.938	1.156	1.375	1.562	1.781
20	20.000	0.250	0.375	0.500	0.375	0.594	0.812	0.500	1.031	1.281	1.500	1.750	1.969
22	22.000	0.250	0.375	0.500	0.375		0.875	0.500	1.125	1.375	1.625	1.875	2.125
24	24.000	0.250	0.375	0.562	0.375	0.688	0.969	0.500	1.219	1.531	1.812	2.062	2.344
30	30.000	0.312	0.500	0.625	0.375			0.500
32	32.000	0.312	0.500	0.625	0.375	0.688
34	34.000	0.312	0.500	0.625	0.375	0.688
36	36.000	0.312	0.500	0.625	0.375	0.750
42	42.000		0.500	0.625	0.375	0.750

API Pipe Tolerance Chart

API 5L wall thickness t mm (in)	API 5L Pipes Tolerances a mm (in) mm (in)
API 5L SMLS pipe b
≤ 4,0 ( 0.157)	+ 0,6 (0.024) – 0,5 (0.020)
> 4,0 ( 0.157) to < 25,0 (0.984)	+ 0,150 – 0,125
≥ 25,0 (0.984)	+3,7 (0.146) or + 0,1 t whichever is the greater – 3,0 (0.120) or – 0,1 t whichever is the greater
API 5L Welded pipe c, d
≤ 5,0 (0.197)	± 0,5 (0.020)
> 5,0 (0.197) to <15,0 (0.591 )	± 0, 1 t
≥ 15,0 (0.591)	±1,5 (0.060)

Tolerance Abbreviation of the above chart

a — if the purchase order specifies a minus tolerance for wall thickness smaller than the applicable value given in this table, the plus tolerance for wall thickness shall be increased by an amount sufficient to maintain the applicable tolerance range.
b — for pipe with D ≥ 355,6 mm (14.000 in) and t ≥ 25,0 mm (0.984 in) the wall thickness tolerance locally may exceed the plus tolerance for wall thickness by an additional 0,05 t, provided that the plus tolerance for mass (see 9.14) is not exceeded.
c — The plus tolerance for wall thickness does not apply to the weld area.

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