Stainless Steel 347 and 347H Seamless Pipes

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Stainless Steel 347and 347H Seamless Pipes Manufacturer, Supplier and Exporter in Cape Town, South Africa

Bosega Pipes and Tubes, based in Cape Town, South Africa, has built a solid reputation as a reliable manufacturer and supplier of top-notch **Stainless Steel 347/347H Seamless Pipes**. These pipes are well-known for their outstanding resistance to intergranular corrosion, impressive high-temperature strength, and remarkable durability over time. Crafted with precision and in line with international standards, Bosega guarantees consistent quality and dependability. The **Stainless Steel 347/347H Seamless Pipes** are perfect for tough industrial applications where performance in harsh environments is a must. They cater to a variety of sectors, including petrochemical, power generation, chemical processing, and aerospace, providing reliable service and exceptional structural integrity.

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**Stainless Steel 347/347H Seamless Pipes** are a type of titanium-stabilized austenitic stainless steel, featuring chromium (17–19%), nickel (9–13%), and a touch of titanium to prevent carbide precipitation. The 347H variant has a higher carbon content, which boosts its high-temperature strength. These pipes showcase impressive tensile strength (around 515 MPa), yield strength (205 MPa), and elongation (40%), along with excellent oxidation resistance up to 870°C. They also boast great formability, weldability, and mechanical stability under thermal stress, making them ideal for critical high-temperature applications.

Stainless Steel 347 and 347H Seamless Pipes Specification

Range : 6NB to 1200NB

Outer Diameter : 1/8″ NPS to 12″ NPS

Thickness : 0.6 mm to 12.7 mm

Schedules : SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.

Length : Single Random, Double Random & Cut Length

Specifications : ASTM A312 / ASTM SA312

Types : Round, Square, Rectangle, Hydraulic, Honed Tubes

End : Plain End, Beveled End

Equivalent Grades for Stainless Steel 347 and 347H Seamless Pipes

STANDARD	UNS	WERKSTOFF NR.
SS 347	S34700	1.4550
SS 347H	S34709	1.4961

347 and 347H Stainless Steel Seamless Pipes Chemical Composition

SS	347	347H
Ni	09 – 13	09 – 13
N	–	–
Cr	17 – 20	17 – 19
C	0.08 max	0.04 – 0.08
Si	1 max	0.75 max
Mn	2 max	2 max
P	0.045 max	0.045 max
S	0.030 max	0.03 max
OTHER	Nb=10(C+N) – 1.0	8xC min – 1.00 max

SS 347 and 347H Seamless Pipes Mechanical Properties

Grade	347 / 347H
Tensile Strength (MPa) min	515
Yield Strength 0.2% Proof (MPa) min	205
Elongation (% in 50mm) min	40
Hardness
Rockwell B (HR B) max	92
Brinell (HB) max	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 347and 347H Stainless Steel Seamless Pipes from Bosega Pipes and Tubes?

Choosing Stainless Steel 347and 347H Seamless Pipes from Bosega Pipes and Tubes guarantees exceptional corrosion resistance and high temperature performance. Their pipes are manufactured to exacting standards, ensuring reliability and durability for complex applications. With a focus on customer service, Bosega offers customized solutions and technical support. In addition, the rugged design reduces leakage, making it reliable for a variety of applications.

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Largest 347and 347H Stainless Steel Seamless Pipes Supplier in Cape Town, South Africa

Bosega Pipes and Tubes, one of the largest suppliers of Stainless Steel 347 and 347H Seamless Pipes in Cape Town, South Africa, 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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Grade specifications of SS 347 and 347HSeamless Pipes

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
347	S34700	347s31	58G	1.4550	X6CrNiNb18-10	2338	SUS 347

Types of 347 and 347H Stainless Steel Seamless Pipes

Are Custom Sizes Available for 347and 347H Stainless Steel Seamless Pipes?

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

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You’ll find **Stainless Steel 347/347H Seamless Pipes** widely utilized in industries that require high-temperature corrosion resistance and structural reliability. Typical applications include boiler tubes, heat exchangers, pressure vessels, chemical processing equipment, and exhaust systems. They are heavily used in petrochemical plants, power generation, aerospace, and food processing sectors. The blend of durability, thermal stability, and corrosion resistance ensures these pipes perform reliably even in extreme conditions, making them vital for ongoing industrial operations and long-term high-temperature service.