Stainless Steel 904L EFW Pipes

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Stainless Steel 904L EFW Pipes Manufacturer, Supplier and Exporter in Muscat, OMAN

Laila Pipes and Tubes, located in Muscat, Oman, stands out as a top manufacturer and supplier of premium Super Duplex Steel Tubing. With a reputation for precision engineering and a commitment to international standards, this company offers tubing that boasts remarkable strength, corrosion resistance, and durability. Super Duplex Steel Tubing is crafted to perform reliably in highly aggressive environments, making it perfect for critical industrial and offshore applications. Laila Pipes and Tubes provides trustworthy tubing solutions to various industries throughout Oman and the Gulf region, ensuring high performance and long-lasting reliability even in demanding conditions.

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The Stainless Steel 904L EFW Pipes are constructed from high-alloy austenitic stainless steel, which includes chromium, nickel, molybdenum, and copper. The EFW process ensures robust longitudinal welds with consistent mechanical properties while preserving high corrosion resistance. These pipes boast excellent tensile and yield strength, toughness, and fatigue resistance, along with good weldability and dimensional stability. Their high-quality design ensures reliability under pressure, high temperatures, and chemically aggressive environments, making them suitable for critical industrial applications.

Stainless Steel 904L EFW Pipes Specification

Specification	ASTM A358 / ASME SA358
Specification	A / SA358 CLASS 1, A / SA358 CLASS 2, A / SA358 CLASS 3, A / SA358 CLASS 4, A / SA358 CLASS 5
Grades	304, 304L, 304H, 309S, 310S, 316, 316L, 316H, 317L, 321, 321H, 347, 347H, 904L ETC.
Type	EFW, ELECTRIC FUSION WELDED
Outer Diameter Size	Electric Fusion Welded / ERW- 8″ NB To 110″ NB (Nominal Bore Size)
Wall Thickness	Schedule 10 To Schedule 160 (3 mm to 100 mm Thickness)
Length	01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size.
Ends	Plain Ends / Beveled Ends
Delivery Conditions	As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered
Coating	Electropolish, Mechanical Polish, Satin Finish, Passivated
Dimension	All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME
Value Added Services	Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment
Packaging	Loose / Bundle / Wooden Pallet / Wooden Box / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
Material Test Certificate	Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC

Equivalent Grades for Stainless Steel 904L EFW Pipes

STANDARD	UNS	WERKSTOFF NR.	AFNOR	EN	JIS	BS	KS
SS 904L	N08904	1.4539	Z2 NCDU 25-20	X1NiCrMoCu25-20-5	SUS 904L	904S13	STS 317J5L

904L Stainless Steel EFW Pipes Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Cu
SS 904L	0.020 max	2.00 max	1.00 max	0.040 max	0.030 max	19.00 – 23.00	4.00 – 5.00 max	23.00 – 28.00	1.00 – 2.00

SS 904L EFW Pipes Mechanical Properties

Grade	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
SS 904L	Psi – 71000, MPa – 490	Psi – 32000, MPa – 220	35 %

If You Are Looking To Buy High Quality

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

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Why Choose Stainless Steel 904L EFW pipes from Laila Pipes and Tubes?

The Super Duplex Steel Tubing is made from high-alloy duplex steel grades that contain around 25% chromium, 6–7% nickel, 3–4% molybdenum, and nitrogen. This unique blend creates a balanced austenitic-ferritic microstructure, which delivers exceptional mechanical properties, including high tensile and yield strength, excellent toughness, and outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. The tubing maintains its structural integrity under high pressure and extreme temperatures, guaranteeing reliable performance in tough environments.

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Largest Stainless Steel 904L EFW pipes Supplier in Muscat, OMAN

Laila Pipes and Tubes, a leading manufacturer and supplier of Stainless Steel 904L EFW Pipes in Muscat, OMAN, offers a comprehensive range of high-quality pipes and tubing suitable for various industrial applications. Our extensive inventory and commitment to exceptional service make us a trusted choice for regional products.

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904L Stainless Steel EFW Pipe Sizes

NPS Designator	Outside Diameter		Nominal Wall Thickness
	in.	mm	Schedule 5SA		Schedule 10SA		Schedule 40SA		Schedule 80SA
	in.	mm	in.	mm	in.	mm	in.	mm	in.	mm
8	8.625	219.08	0.109	2.77	0.148	3.76	0.322	8.18	0.500	12.70
10	10.750	273.05	0.134	3.40	0.165	4.19	0.365	9.27	0.500B	12.70B
12	12.750	323.85	0.156	3.96	0.180	4.57	0.375B	9.52B	0.500B	12.70B
14	14.000	355.60	0.156	3.96	0.188B	4.78B	…	…	…	…
16	16.000	406.40	0.165	4.19	0.188B	4.78B	…	…	…	…
18	18.000	457.20	0.165	4.19	0.188B	4.78B	…	…	…	…
20	20.000	508.00	0.188	4.78	0.188B	4.78B	…	…	…	…
22	22.000	558.80	0.188	4.78	0.218B	5.54B	…	…	…	…
24	24.000	609.60	0.218	5.54	0.250	6.35	…	…	…	…
30	30.000	762.00	0.250	6.35	0.312	7.92	…	…	…	…

Physical Properties of SS 904L EFW Pipes

Specific Heat (0-100°C)	450	J.kg-1.°K-1
Thermal Conductivity	11.5	W.m -1.°K-1
Thermal Expansion	15.8	mm/m/°C
Modulus Elasticity	190	GPa
Electrical Resistivity	9.52	μohm/cm
Density	7.95	g/cm3

Types of Stainless Steel 904L EFW Pipes

Are Custom Sizes Available for Stainless Steel 904L EFW Pipes?

Super Duplex Steel Tubing finds its place in industries that demand both high strength and exceptional corrosion resistance. Common applications include oil and gas pipelines, offshore platforms, chemical and petrochemical plants, seawater desalination systems, marine structures, and power generation equipment. Its durability, resistance to harsh conditions, and ability to endure mechanical and chemical stresses make Super Duplex Steel Tubing the go-to choice for critical industrial and engineering projects.

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You’ll find Stainless Steel 904L EFW Pipes widely utilized in chemical and petrochemical plants, oil & gas refineries, and high-pressure fluid transport systems. They are also employed in power generation facilities, marine applications, and industrial process piping where corrosion resistance and mechanical reliability are essential. Furthermore, they are ideal for transporting acids, chemicals, and aggressive fluids in industrial systems. With their blend of mechanical strength, corrosion resistance, and high-quality EFW construction, Stainless Steel 904L EFW Pipes stand out as the perfect choice for industries that demand durability, safety, and high performance.