Stainless Steel 347 and 347H Seamless Pipes

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Stainless Steel 347and 347H Seamless Pipes Manufacturer, Supplier and Exporter in Amman, Jordan

Rashdan Pipes and Tubes in Amman, Jordan, supplies seamless pipes built for industries that refuse to compromise on strength and stability. Their Stainless Steel 347 and 347H Seamless Pipes are engineered to handle high temperatures, aggressive chemicals, and demanding operating conditions. With exceptional durability and a smooth, consistent finish, these pipes deliver long-term performance where reliability is non-negotiable. Rashdan’s strict quality checks and precision manufacturing ensure every pipe meets global expectations. Companies trust these pipes for their heat resistance, structural integrity, and ability to stay strong even during prolonged, high-intensity industrial operations.

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Stainless Steel 347 and 347H contain chromium, nickel, and niobium, which enhances stabilization against carbide precipitation during high-temperature exposure. 347H has a higher carbon content, giving it greater strength at elevated temperatures. Both alloys offer strong tensile and yield properties, solid creep resistance, and dependable mechanical stability during thermal cycling. The seamless construction boosts pressure resistance and ensures smooth, uninterrupted flow. These alloys maintain toughness while resisting oxidation and corrosion, making them ideal for continuous high-heat 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 Rashdan Pipes and Tubes?

Choosing Stainless Steel 347and 347H Seamless Pipes from Rashdan 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, Rashdan 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 Amman, Jordan

Rashdan Pipes and Tubes, one of the largest suppliers of Stainless Steel 347 and 347H Seamless Pipes in Amman, Jordan, 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 Rashdan Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@rashdanpipes.com.

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These seamless pipes are widely used in industries that deal with extreme temperatures, high-pressure systems, and corrosive environments. They are ideal for heat exchangers, boiler tubes, refinery equipment, pressure piping, superheater tubes, and petrochemical processing units. Their ability to resist intergranular corrosion makes them perfect for high-temperature fluid handling and steam service. Engineers trust 347 and 347H seamless pipes because they offer long service life, stable performance, and minimal maintenance even under harsh, continuous operation. Their combination of heat resistance and mechanical strength makes them a preferred choice for critical industrial applications.