Stainless Steel 347 Round Bars and Rods

Neil Metals is a reputable manufacturer and supplier of Stainless Steel 347 Round Bars and Rods, located in Kolkata, India. They specialize in delivering high-performance stainless steel products that are built to withstand tough conditions, including high temperatures and corrosive environments. SS 347 is a stabilized austenitic stainless steel alloy, celebrated for its outstanding resistance to intergranular corrosion and oxidation. This alloy finds its place in various industries, such as chemical processing, aerospace, heat exchangers, and power generation. Neil Metals guarantees that its SS 347 round bars and rods comply with international standards, providing precision, strength, and reliability for both local and global markets.

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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?

The composition of Stainless Steel 347 Round Bars and Rods includes 17–20% chromium and 9–13% nickel, with niobium (columbium) added to prevent chromium carbide precipitation during welding or extended exposure to high temperatures. This alloy boasts a tensile strength of about 515 MPa and a yield strength of roughly 205 MPa. SS 347 maintains its mechanical properties even at elevated temperatures up to 870°C and shows remarkable resistance to thermal fatigue, oxidation, and creep, all while offering good formability and weldability.

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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

These Stainless Steel 347 Round Bars and Rods are commonly utilized in applications that require strength, durability, and corrosion resistance in high-heat settings. Typical uses include pressure vessels, furnace components, boiler tubes, exhaust manifolds, heat exchangers, and reactor equipment. They are also well-suited for welded constructions in chemical and petrochemical plants, particularly in situations where post-weld heat treatment isn’t feasible. SS 347 is an excellent choice for long-term service in high-temperature environments, making it a reliable option for structural and mechanical components in industries that face thermal and chemical challenges.

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Stainless Steel 347 Round Bars and Rods