Stainless Steel 347 Round Bars and Rods

Maduka Metals, a leading manufacturer and supplier located in Abuja, Nigeria, specializes in high-quality **Stainless Steel 347 Round Bars and Rods** that are perfect for high-temperature and corrosive environments. Crafted with cutting-edge technology and top-notch raw materials, these bars are built to last, offering remarkable durability, strength, and reliability. The Stainless Steel 347 is enhanced with niobium, which gives it exceptional resistance to intergranular corrosion and carbide precipitation. Maduka Metals guarantees that every product adheres to international quality standards, making these round bars and rods a great fit for industries like chemical processing, power generation, and oil and gas refining.

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Stainless Steel 347 Round Bars

Stainless Steel 347 Hex Bars

SS Round Bar 347 Cold Finish

What is 347 Stainless Steel Round Bars and Rods?

These **Stainless Steel 347 Round Bars and Rods** are primarily made of **iron**, featuring **17–19% chromium**, **9–13% nickel**, along with small amounts of **niobium (columbium)** and **titanium** to boost stabilization. This austenitic stainless steel boasts impressive **tensile strength of 515–700 MPa**, solid **creep resistance**, and excellent **oxidation resistance** at high temperatures. The addition of niobium helps prevent carbide precipitation during welding and heat treatment, enhancing long-term corrosion resistance and structural integrity even in high-temperature settings.

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347 Stainless Steel Round Bars and Rods Specifications

Standard Specification : ASTM A276, ASTM A479, ASTM A182
Specification : EN, DIN, JIS, ASTM, BS, ASME, AISI
SS 347 Bright Bars : Outside Diameter in the range of 4mm to 200mm
SS 347 Round Bars : Outside Diameter in the range of 4mm to 500mm
SS 347 Flat Bars : 1 / 2” to 10” in thickness range of 1.6mm to 150mm, Custom Size Stainless Steel Flats available
SS 347 Square Bars : 3mm – 100mm
SS 347 Hex Bars : 4mm – 101.6mm
Length : 1 to 6 Meters, Custom Cut Lengths
Finish : Matt Finish, Bright Polished, Black, NO.4 Finish, Rough Turned, BA Finish
Our SS 347 Round bars conforms to NACE MR0175/ISO 15156
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.

Chemical Compositions of 347 Stainless Steel Round Bars and Rods

Grade	C≤	Mn	P≤	S≤	Si≤	Cr	Ni	Nb
347	0.08	2.0	0.045	0.03	0.75	17.0-19.0	9.0-13.0	10*C-1.0

347 Stainless Steel Round Bars and Rods Mechanical Properties

Grade	Tensile, min, ksi[MPa]	Yield, min, ksi[MPa]	Elongation, %(min)	Hardness, HB（max）
347	75【515】	30【205】	40	201

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Equivalent Table of SS 347 Round Bars and Rods

STANDARD	WERKSTOFF NR.	UNS	JIS	GOST	EN
347	1.4550	S34700	SUS347	08Ch18N12B	X6CrNiNb18-10

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347 SS Round Bars and Rods Types

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Frequently Asked Questions (FAQ)

Can Stainless Steel 347 Round Bars/Rods Be Used At High Temperatures?

Yes, Stainless Steel 347 round bars/rods can be used at high temperatures up to 870°C, offering excellent resistance to oxidation, intergranular corrosion, and thermal stability in demanding environments.

Can Stainless Steel 347 Round Bars/Rods Be Recycled After Use?

Yes, Stainless Steel 347 round bars/rods are fully recyclable. Their high-value alloy content allows for efficient recovery, reducing waste and supporting sustainability in various industries.

Do Stainless Steel 347 Round Bars/Rods Require Corrosion Protection Coatings?

No, Stainless Steel 347 round bars/rods do not typically require corrosion protection coatings, as their inherent chromium and niobium content provides excellent corrosion and oxidation resistance in most environments.

347 Stainless Steel Round Bars and Rods Uses

You’ll find **Stainless Steel 347 Round Bars and Rods** commonly used in **heat exchangers, boiler tubes, furnace parts, exhaust systems, and pressure vessels** that operate under elevated temperatures. They’re also essential in **petrochemical plants, refineries, power stations, and chemical industries** where resistance to acids and oxidizing agents is crucial. Plus, these bars are utilized in **aerospace and food processing equipment** because they maintain their strength and resist sensitization. Their outstanding stability and corrosion resistance make them perfect for applications that require constant exposure to heat and stress.

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Stainless Steel 347 Round Bars and Rods