Stainless Steel 347H Tubing

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Stainless Steel 347H Tubing Manufacturer, Supplier and Exporter in Tunis, Tunisia

Samia Pipes and Tubes is a trusted manufacturer and supplier of Stainless Steel 347H tubing in Tunis, Tunisia. Our SS 347H tubing is specially developed for high-temperature and high-pressure applications where strength and reliability are critical. Produced using premium raw materials and advanced manufacturing processes, this tubing offers excellent dimensional accuracy, smooth finish, and long service life. Stainless Steel 347H is known for its superior creep strength and resistance to intergranular corrosion at elevated temperatures. At Samia Pipes and Tubes, we are committed to quality, consistency, and dependable customer service.

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Stainless Steel 347H Tubing is a higher-carbon form of stabilized austenitic stainless steel grade 347, with 17–20% chromium, 9–13% nickel, and columbium (niobium) as a stabilizer against carbide precipitation. The higher carbon content up to 0.10% improves the creep strength and performance at long-term high-temperature service. It has tensile strength of 515–750 MPa and a yield strength of about 205 MPa. The tubing has a stable mechanical property up to 900°C temperature and shows good weldability, oxidation resistance, and thermal cycling structural stability.

Stainless Steel 347H Tubing Specification

Specifications : ASTM A213 / ASME SA213
Outside Diameter : 1/8″ OD TO 2″OD 3MM OD TO 38 MM OD
Thickness : 1MM TO 3 MM 0.028 TO 0.156 IN, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS
Size : 1/2″ NB – 24″ NB
Type : Seamless / Capillary Tubes
Form : Round Tubes, Square Tubes, Rectangular Tubes.
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
Finish : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn

Stainless Steel 347H Tubing Chemical Composition

SS 347H

0.04 – 0.10

2 max

1 max

0.045 max

0.030 max

17 – 19

0.10 max

9 – 12

4(C+N) – 0.70 max

Stainless Steel 347H Tubing Equivalent Grades

SS 347H

1.4961

S34709

SUS 347H

X12CrNiTi18-9

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 347H Tubing from Samia Pipes and Tubes?

Stainless Steel 347H is a high-carbon version of SS 347, alloyed with chromium, nickel, and stabilized with niobium. The higher carbon content improves high-temperature strength and creep resistance, making it suitable for continuous service at elevated temperatures. SS 347H tubing provides excellent tensile strength, good ductility, and strong oxidation resistance. It remains non-magnetic in the annealed condition and maintains mechanical stability under prolonged thermal exposure and pressure conditions.

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Largest Stainless Steel 347H Tubing Supplier in Tunis, Tunisia

Samia Pipes and Tubes, one of the largest suppliers of Stainless Steel 347H Tubing in Tunis, Tunisia, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.

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Types of Stainless Steel 347H Tubing

Are Custom Sizes Available for Stainless Steel 347H Tubing?

Yes, we offer custom sizes for Stainless Steel 347H Tubing to meet your specific requirements. Our team at Samia Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@samiapipes.com

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Stainless Steel 347H tubing is widely used in industries that operate under extreme heat and pressure. Common applications include superheaters, reheaters, boilers, heat exchangers, and furnace components. It is extensively used in power plants, petrochemical units, refineries, and chemical processing facilities. Due to its excellent weldability and high-temperature performance, SS 347H tubing is ideal for pressure vessels, high-temperature piping systems, and critical process equipment. Samia Pipes and Tubes supplies SS 347H tubing for long-term, reliable industrial performance.