How does SS 347H differ from SS 347?

SS 347H contains a higher carbon content than SS 347, which enhances its creep strength and makes it more suitable for sustained high-temperature and pressure-intensive applications.

Where are SS 347 pipes commonly used?

They are used in refineries, boilers, heat exchangers, chemical plants, and power generation systems.

Are SS 347 pipes suitable for welding?

Yes, they are stabilized to resist corrosion after welding.

Do you supply SS 347 pipes in Oman, UAE and Saudi Arabia?

Yes, we supply across Oman, UAE, Saudi Arabia, and the entire GCC with fast delivery and certified materials.

Stainless Steel 347 Pipe and Tube Supplier Sultanate of Oman

When performance under extreme heat and corrosive conditions is non-negotiable, SS 347 Pipes and Tubes stand out as a dependable solution. Designed with niobium stabilization, these stainless steel products resist intergranular corrosion and maintain strength at elevated temperatures—making them ideal for critical industrial operations.

For engineers, EPC contractors, and procurement teams across the GCC, choosing the right SS 347 pipe supplier ensures not just material quality, but long-term operational reliability.

What Are SS 347 Pipes and Tubes?

SS 347 Pipes and Tubes are austenitic stainless steel products stabilized with columbium (niobium), preventing carbide precipitation during welding and high-temperature exposure. This makes them highly suitable for thermal and pressure-intensive applications.

These SS 347 stainless steel tubes are widely used where stability and corrosion resistance are critical.

Why Choose SS 347 Pipes and Tubes?

Built for High-Temperature Performance

SS 347 pipes for high temperature applications maintain strength and oxidation resistance in environments exceeding 800°C.

Corrosion Resistance

Niobium stabilization protects against intergranular corrosion, especially in welded conditions.

Mechanical Strength

Offers excellent creep resistance, making stainless steel 347H tubing suitable for boilers and pressure systems.

Cost Efficiency Over Lifecycle

Though premium in grade, these pipes reduce downtime and maintenance costs in long-term operations.

Supplier & Exporter Advantage in GCC

As a trusted SS 347 pipe exporter, we cater to industries across:

UAE – Reliable SS 347 pipes supplier UAE for oil & gas projects
Saudi Arabia – Leading SS 347 tubes supplier Saudi Arabia for infrastructure and energy sectors
GCC Region – Fast delivery and logistics support as a SS 347 pipes GCC supplier

With ready stock and global certifications, we ensure timely supply for urgent and bulk requirements.

SS 347 Pipes Price & Availability

The SS 347 pipes price depends on:

Size and thickness
Type (seamless, welded, ERW, EFW)
Quantity and project scale

We offer competitive pricing with consistent quality, ensuring value-driven procurement for industrial buyers.

How to Choose the Right SS 347 Pipe Supplier

When selecting a supplier, consider:

Compliance with ASTM A312 TP347 and ASTM A213 TP347
Availability of SS 347H pipes and tubes
Mill Test Certificates (MTC)
Delivery capability across UAE, Saudi Arabia, and GCC
Technical support for application-specific requirements

A reliable SS 347 pipe supplier ensures both product integrity and project success.

SS 347 Pipes and Tubes are engineered for industries where heat resistance, corrosion protection, and long-term durability are essential. From refineries to power plants, their performance in extreme conditions makes them a preferred material across the GCC.

Whether you need SS 347 seamless pipes, SS 347 welded pipes, or specialized tubing for high-temperature systems, choosing the right supplier ensures efficiency, safety, and long-term value.

347/347H Stainless Steel Pipes and Tubes Equivalent Grades

STANDARD	UNS	WNR.	EN	JIS	GOST
SS 347	S34700	1.4550	X6CrNiNb18-10	SUS 347	08Ch18N12B
SS 347H	S34709	1.4961	X6CrNiNb18-12	SUS 347H	-

SS 347/347H Seamless Pipes

Ideal for high-pressure and critical applications

SS 347 Welded Pipes

Cost-effective for general industrial use

SS 347 ERW Pipes

Uniform thickness and smooth finish

SS 347 EFW Pipes

Suitable for large diameter and heavy-duty systems

SS 347 Round Pipes

Versatile for structural and fluid transport

SS 347/347H ERW Pipes & Tubes

SS 347/347H ERW Pipes & Tubes are precision-welded stainless steel solutions offering uniform thickness, reliable strength, and excellent performance in high-temperature and industrial applications.

Standards :

ASTM A312 TP347 Pipes, ASTM A213 TP347 Tubes

Equivalent Grade :

UNS S34700 Pipe

Variants :

SS 347H Pipes and Tubes (higher carbon for enhanced creep strength)

Forms :

Seamless, Welded, ERW, EFW

Thickness Range :

Available from ultra-thin 0.3 mm up to heavy-duty 50 mm thickness, including standard schedules such as SCH 5, SCH 10, SCH 40, SCH 80, SCH 80S, SCH 160, XS, XXS and custom requirements.

Manufacturing Types :

Offered in multiple production formats including seamless, ERW (Electric Resistance Welded), welded, and custom-fabricated pipes to suit diverse industrial applications.

Available Shapes & Forms :

Supplied in a wide variety of profiles such as round, square, rectangular, oval, and hydraulic configurations, ensuring compatibility with structural and process requirements.

Length Options :

Delivered in standard single random and double random lengths, as well as fully customized cut-to-length solutions based on project specifications.

End Finishes :

Options include plain end, beveled end, and threaded ends, designed for easy installation and secure connections.

End Protection :

Each pipe is equipped with protective plastic caps to prevent damage during handling and transportation.

Surface Finishes :

Available in multiple finishes including 2B, No.1, No.4, and mirror polish (No.8), along with customized surface treatments as per client requirements.

Delivery Condition :

Supplied in various metallurgical conditions such as annealed & pickled, bright annealed, polished, and cold drawn, ensuring optimal performance across applications.

Inspection & Testing :

All materials undergo rigorous quality checks supported by comprehensive documentation, including: Mill Test Certificates (MTC) as per EN 10204 3.1 and Chemical and mechanical test reports.

Packaging Standards :

Securely packed using wooden crates, plastic wrapping, or steel-strapped bundles to ensure safe transit. Custom packaging solutions are also available based on client needs.

Custom Manufacturing :

Non-standard sizes, grades, and specifications can be developed and supplied on request, tailored to meet specific project or industry demands.

Chemical Composition of Stainless Steel 347/347H Seamless Pipes And Tubes

Element	C	Cr	Mn	Ni	P	S	Si	Cb/Ta
347	0.08 max	min: 17.0 max: 20.0	2.0 max	min: 9.0 max: 13.0	0.04 max	0.30 max	0.75 max	min:10x C max: 1.0
347H	min: 0.04 max: 0.10	min: 17.0 max: 20.0	2.0 max	min: 9.0 max: 13.0	0.03 max	0.30 max	0.75 max	min:10x C max: 1.0

Mechanical Properties Of Stainless Steel 347/347H Seamless Pipes and Tubes

Grade	Tensile Strength ksi (MPa) min	Yield Strength 0.2% ksi offset ksi (MPa) min	Elongation (% in 50mm) min	Hardness (Brinell) MAX
347/347H	75 (515)	30 (205)	40	201