Carbon Steel API X65 5L PSL 2 Pipes Manufacturer and Supplier in Tunis, Tunisia

Carbon Steel API X65 5L PSL 2 Pipes

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Marzouk Steel, based in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality carbon steel products, including Carbon Steel API 5L X65 PSL 2 Pipes. The company follows strict international standards and advanced manufacturing practices to deliver pipes with superior strength, reliability, and consistency. With modern production facilities and comprehensive quality control systems, Marzouk Steel ensures excellent dimensional accuracy, mechanical performance, and timely delivery. Its expertise and customer-oriented approach make it a dependable partner for critical pipeline and energy infrastructure projects.

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Carbon Steel API X65 5L PSL 2 Seamless Pipes

CS API X65 5L PSL 2 Welded Pipes

CS API X65 5L PSL 2 EFW Pipes

What is Carbon Steel API X65 5L PSL 2 Pipes?

Carbon Steel API 5L X65 PSL 2 Pipes are manufactured with a precisely controlled chemical composition, including carbon, manganese, and microalloying elements, with tighter limits on phosphorus and sulfur compared to PSL 1. This results in enhanced mechanical properties such as higher impact toughness, excellent yield and tensile strength, and improved resistance to cracking. PSL 2 pipes also undergo mandatory testing, ensuring better weldability, uniformity, and performance under high pressure and low-temperature conditions.

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Carbon Steel API X65 5L PSL 2 Pipes Specification

Standard	ISO 3183 L450/ API 5L X65
Grade of material	X65 / L450 (N, M, Q, R)
PSL Level	API 5L X65 PSL2
API 5L X65 PSL2 Seamless Pipe (OD)	21.3 – 660mm ( Inch 1/2” – 26”)
X65 Steel LSAW / DSAW	16’OD TO 54″ OD (8 MM TO 50 MM THK)
X65 Carbon Steel SAW	16″ – 100″ NB
API 5L X65 PSL1 ERW and HFW	1/2” NB – 24” NB
Coating for API 5L X65 PSL2 Line Pipe	3PP, Anti-Rust Oil, CRA clad, FBE, lined pipe, Varnished, Black Painting, 3PE, 3LPE, Galvanized,
API 5L Grade X65 Pipe end	Cut Grooves, Square Cut, Grooved, Vibrator Grinding, Plain end (PE), Chamfering, Coupling, Screwed, Pub Joints, Deburring, Thread Cutting, Flanged Ends, Socket, Squared Ends, Threaded Ends (Male & Female), Buttweld, Beveled End (BE)
Cutting Facility	Laser Cutting, Sawing, Tapping, Water Jet Cutting
Equivalent Standards	JIS, DIN, NFA, BS, CSA, GOST, AWWA, KS, UNI, AISI, IS, EN, API, SAE, ANSI, ISO, ASTM, GB, SS
Grade X65 PSL2 Pipe Length	DRL, SRL, 20FT, 40FT, Single Random Length (SRL), Double Random Length (DRL), and Fixed Length 5.8 Meter, 12.0 Meters (40FT), 6.0 Meters (20FT), 11.8 Meters,
API 5L X65 Wall Thickness	SCH-STD, SCH160, SCH80, SCH-XXS, SCH-XS, SCH40
Manufacturing process	Welded, Seamless, Electro Fusion Seam Welded (EFSW), Hot Finish Seamless (HFS), Longitudinally Submerged Arc Welded (LSAW), Cold Drawn Seamless (CDS), Electric Resistance Welded (ERW), Horizontal Submerged Arc Welded (HSAW), Extrusion, Submerged Arc Welded (SAW)

Carbon Steel API X65 5L PSL 2 Pipes 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
CS PIPES
L450Q or X65Q	0.18f	0.45f	1.7f	0.025	0.015	g	g	g	h	0.43	0.25

Carbon Steel API X65 5L PSL 2 Pipes Mechanical Properties

Y.S	T.S	ELONGATION
Mpa(psi)	Mpa(psi)	ELONGATION
min	min	min
450(65 300)	600(87 000)	23%

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Carbon Steel API X65 5L PSL 2 Pipes Schedule Chart

NPS (in)	Outside Diameter (in)	API 5L X65 Pipe Schedule
		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
		Wall Thickness (in)
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

Top Manufacturer and Supplier of Carbon Steel API X65 5L PSL 2 Pipes in Tunis, Tunisia

Marzouk Steel is a leading supplier of high-quality Carbon Steel API X65 5L PSL 2 Pipes products in Tunis, Tunisia. We focus on steel solutions and offer a variety of products. This includes Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our products are Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. We are known for our good delivery and excellent customer care. We aim to provide strong and durable steel materials for many industrial uses. We work hard to meet high standards, making us a trusted partner for your steel needs.

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Types of Carbon Steel API X65 5L PSL 2 Pipes

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Uses of Carbon Steel API X65 5L PSL 2 Pipes

Carbon Steel API 5L X65 PSL 2 Pipes are widely used in critical onshore and offshore pipeline systems for the transportation of oil, gas, and other hydrocarbons. They are commonly applied in refineries, petrochemical plants, power projects, and cross-country pipelines where safety and reliability are essential. These pipes are also suitable for sour service and demanding environmental conditions. Their superior mechanical properties, stringent testing, and compliance with API standards make them ideal for high-performance pipeline applications.