Stainless Steel 304 EFW Pipes

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Stainless Steel 304 EFW Pipes Manufacturer, Supplier and Exporter in Tunis, Tunisia

Samia Pipes and Tubes, based in Tunis, Tunisia, is a trusted manufacturer and supplier of high-quality Stainless Steel 304 EFW Pipes designed to meet international standards. Manufactured using advanced Electric Fusion Welding technology, these pipes offer excellent dimensional accuracy, smooth surface finish, and consistent weld integrity. Stainless Steel 304 EFW pipes are known for their superior corrosion resistance, durability, and hygienic properties, making them suitable for demanding industrial environments. Samia Pipes and Tubes ensures strict quality control, reliable supply, and customized solutions to serve industries across construction, chemical processing, food processing, and infrastructure sectors.

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The composition of Stainless Steel 304 EFW Pipes includes chromium (18–20%) and nickel (8–12%), which provide outstanding resistance to corrosion, oxidation, and scaling. With a tensile strength of around 515 MPa, yield strength of 205 MPa, and an elongation of 40%, these pipes guarantee mechanical stability, toughness, and durability even in high-temperature and corrosive environments. The EFW construction ensures precision and reliability, making them suitable for high-pressure, high-temperature, and chemically aggressive conditions—ideal for critical industrial applications.

Stainless Steel 304 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 304 EFW Pipes

STANDARD	UNS	WERKSTOFF NR.	AFNOR	EN	JIS	BS	GOST
SS 304	S30400	1.4301	Z7CN18‐09	X5CrNi18-10	SUS 304	304S31	08Х18Н10

304 Stainless Steel EFW Pipes Chemical Composition

Grade		C	Ni	Si	N	S	Mn	P	Cr	Mo
SS 304	min.	–	8.0	–	–	–	–	–	18.0	–
SS 304	max.	0.08	10.5	0.75	0.10	0.030	2.0	0.045	20.0	–

SS 304 EFW Pipes Mechanical Properties

Grade	Tensile Strength (MPa) min	Elongation (% in 50mm) min	Yield Strength 0.2% Proof (MPa) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
SS 304	515	40	205	92	201

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 304 EFW Pipes from Samia Pipes and Tubes?

Choosing Stainless Steel 304 EFW Pipes from Samia Pipes and Tubes guarantees excellent corrosion resistance, high strength, and durability. Designed for diverse industrial applications, it delivers reliable performance in tough environments while maintaining competitive pricing for cost-effective solutions.

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Largest Stainless Steel 304 EFW Pipes Supplier in Tunis, Tunisia

Stainless Steel 304 EFW pipes are manufactured from an austenitic stainless steel alloy containing approximately 18% chromium and 8% nickel, with low carbon content for enhanced weldability. This composition provides excellent resistance to oxidation and corrosion. Mechanically, these pipes exhibit good tensile strength, yield strength, and elongation, allowing them to withstand pressure and mechanical stress. Stainless Steel 304 EFW pipes also offer good toughness at both low and elevated temperatures, ensuring long-term structural reliability.

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304 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 304 EFW Pipes

Grade	Density (kg/m3)	Specific Heat 0-1000C (J/kg.K)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion (m/m/0C)			Thermal Conductivity (W/m.K)		Electrical Resistivity (n.m)
				0-100°C	0-315°C	0-538°C	at 100°C	at 500°C
304	8000	500	193	17.2	17.8	18.4	16.2	21.5	720

Types of Stainless Steel 304 EFW Pipes

Are Custom Sizes Available for Stainless Steel 304 EFW Pipes?

We offer custom sizes for Stainless Steel 304 EFW Pipes to meet your specific needs. Our dedicated team at Samia Pipes and Tubes provides tailored solutions for all your piping and tubing requirements. For more information, contact us at sales@samiapipes.com.

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Stainless Steel 304 EFW pipes are widely used across various industries due to their strength, corrosion resistance, and hygienic characteristics. They are commonly applied in chemical processing plants, food and beverage industries, pharmaceutical manufacturing, and dairy processing systems. These pipes are also utilized in water treatment facilities, heat exchangers, architectural structures, and general fabrication work. In addition, Stainless Steel 304 EFW pipes are suitable for oil and gas, petrochemical, and marine applications where moderate corrosion resistance and durability are required, making them a versatile and cost-effective piping solution.