Stainless Steel 347H Flanges Manufacturer in Abuja, Nigeria

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Stainless Steel 347H pipes are crafted from a stabilized austenitic chromium-nickel alloy (UNS S34709) that includes niobium, which boosts its resistance to intergranular corrosion and carbide precipitation when exposed to high temperatures. Thanks to its higher carbon content, 347H offers better strength and creep resistance compared to the standard 347, making it a great choice for high-temperature applications.

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Typically, this alloy consists of 17–19% chromium, 9–13% nickel, 0.04–0.10% carbon, and niobium that can be up to ten times the carbon content. In terms of mechanical properties, it boasts a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of about 35%, along with impressive oxidation resistance up to 900 °C.

Stainless Steel 347H Flanges Specifications

Standard	ASTM A182 / ASME SA182
Dimensions	ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN
Standard	ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges
Size	1/2″ (15 NB) to 48″ (1200NB)
Class/Pressure	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64
Flange Face Type	Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Stainless Steel 347H Flanges Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Cb	Ni	Fe
347H	0.08	2.0	1.0	0.045	0.030	17.00 – 20.00	10xC – 1.10	9.00 – 13.00	62.74 min

Stainless Steel 347H Flanges Mechanical Properties

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
347H	515	205	35	92	201

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Why Choose Stainless Steel 347H Flanges from Akor Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of Stainless Steel 347H Flanges

SS 347H Slip on Flanges

SS 347H slip-on flanges, made from stainless steel alloy 347H, offer excellent resistance to corrosion and high temperatures, making them ideal for various industrial piping applications.

SS 347H Weld Neck Flanges

SS 347H weld neck flanges, crafted from stainless steel alloy 347H, provide superior corrosion resistance and high-temperature performance, making them suitable for high-pressure piping systems in industrial environments.

SS 347H Blind Flanges

SS 347H blind flanges, made from stainless steel alloy 347, are used to seal pipe ends, offering excellent corrosion resistance and high-temperature durability for industrial applications.

SS 347H Socket Weld Flanges

SS 347Hsocket weld flanges, manufactured from stainless steel alloy 347H, ensure secure pipe connections with enhanced corrosion resistance and high-temperature strength, suitable for high-pressure systems in various industries.

SS 347H Ring Type Joint Flanges

SS 347H ring type joint flanges, constructed from stainless steel alloy 347H, provide leak-proof connections with excellent corrosion resistance and high-temperature performance, ideal for high-pressure and critical service applications.

SS 347H Forged Flanges

SS 347H forged flanges, made from stainless steel alloy 347H, offer superior strength, excellent corrosion resistance, and high-temperature endurance, making them ideal for demanding industrial applications and high-pressure environments.

We conduct various rigorous tests, including dimensional, mechanical, and chemical analysis, to ensure the highest quality of our Stainless Steel 347H Flanges. Our in-house quality control team oversees all processes, complemented by third-party inspections to guarantee compliance with industry standards. With a commitment to prompt delivery we ensure that our clients receive their products on time, every time.

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Stainless Steel 347H Flanges Uses

You’ll find Stainless Steel 347H pipes commonly used in heat exchangers, refinery equipment, boiler tubes, superheaters, exhaust manifolds, and chemical processing plants. Their stability under cyclic heating and exceptional corrosion resistance make them perfect for both pressure and structural applications in high-temperature settings.