Stainless Steel 347 Round Bars

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Stainless Steel 347 Round Bars Specification

Hardness
201 HB

Heat Resistance
Good up to 870C

Material Composition %
Cr 17-19%, Ni 9-13%, C 0.08%, Si 0.75%, Mn 2.00%, Nb (Stabilized)

Corrosion Resistant
Excellent

Recyclable
Yes

Diameter
6mm to 350mm

Product Form
Bars

Size
Custom lengths, diameters

Tensile Strength
515 MPa min

Product Name
Stainless Steel 347 Round Bars

Steel Type
Stainless Steel

Steel Product Type
Round Bar

Grade
347

Thickness
As per specification

Shape
Round

Steel Standard
ASTM A276 / A479

Surface
Bright / Black / Polished

Composition
Chromium, Nickel, Columbium, Iron

Application
Construction, Chemical Industry, Fabrication, Oil & Gas, Marine, Petrochemical, Power Plant

Dimension (L*W*H)
Standard and custom sizes

Weight
Varies as per size and length

Color
Silver / Metallic

Material Grade
SS347

Finish Type
Hot Rolled / Cold Drawn

Usage
Machinery, Construction, Automotive, Pharmaceutical Industries

About Stainless Steel 347 Round Bars

What Are Specification Stainless Steel 347 Round Bars?

Standard	ASTM A276 / A479, ASME SA276 / A479
Round Bar Size	3mm~ 800mm
Square Bar Size	4mm* 4mm ~100mm* 100mm
Flat Bar Size	2mm ~ 100mm
Hex Bar Size	2mm ~ 100mm
Angle Size	3mm* 20mm* 20mm~ 12mm* 100mm* 100mm
Thickness	50 mm to 6000 mm Long
Length	1 To 6 Meters, Custom Cut Length
Form	Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc

Equivalent material Of Stainless Steel 347 Round Bars?

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 347	1.4550	S34700	SUS 347	-	08Ch18N12B	-	X6CrNiNb18-10

Chemical Composition Of Stainless Steel 347 Round Bars?

Grade	C	Mn	Si	P	S	Cr	Co + Ta	Ni	Fe
SS 347	0.08 max	2 max	0.75 max	0.045 max	0.03 max	17 - 20	10xC min 1.00 max	9 - 13	62.74

Mechanical Properties Of Stainless Steel 347 Round Bars?

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1454 C (2650 F)	Psi 75000 , MPa 515	Psi 30000 , MPa 205	40 %

Enhanced Durability and Corrosion Resistance

Stainless Steel 347 Round Bars offer superior resistance to corrosion and oxidation, making them suitable for harsh environments. Their stabilized composition with columbium (niobium) ensures strength and longevity even at elevated temperatures, maintaining mechanical integrity and reducing the risk of intergranular corrosion.

Precision Manufacturing and Custom Sizing

Manufactured according to global standards like ASTM and DIN, SS 347 round bars are available in a versatile range of diameters and custom lengths. With finishes including bright, black, or polished surfaces, and both hot rolled and cold drawn options, these bars can be tailored to specific project requirements for optimal performance.

Versatile Applications Across Industries

Thanks to their excellent mechanical properties and resistance to heat and chemicals, Stainless Steel 347 Round Bars are widely used in crucial sectors such as construction, oil & gas, power plants, marine, and the pharmaceutical industry. Their adaptable size and shape make them a reliable choice for unfailing performance in both fabrication and structural applications.

FAQs of Stainless Steel 347 Round Bars:

Q: How are Stainless Steel 347 Round Bars typically used in industrial applications?

A: Stainless Steel 347 Round Bars are widely employed in industries requiring excellent corrosion resistance and strength at elevated temperatures, such as chemical processing plants, oil and gas sectors, construction, power generation, marine applications, and pharmaceutical manufacturing.

Q: What benefits does the stabilized composition of SS 347 round bars offer?

A: Thanks to stabilization with niobium (columbium), SS 347 round bars resist intergranular corrosion even after welding and exposure to high temperatures. This enhances durability and service life in demanding operating environments.

Q: What standards do these round bars conform to?

A: These bars are produced according to internationally recognized standards, including ASTM A276, ASTM A479, ASME, and DIN. This ensures compatibility and reliable performance for diverse engineering and fabrication needs.

Q: When should I choose SS 347 round bars over other stainless steel grades?

A: SS 347 round bars are ideal for applications involving prolonged exposure to high temperatures (up to 870C) or cyclic heating and cooling, where superior resistance to sensitization and corrosion is essential, making them preferable in industries like oil, gas, and petrochemicals.

Q: Where are these round bars manufactured and exported from?

A: Stainless Steel 347 Round Bars are manufactured, supplied, and exported from India by leading exporters, manufacturers, suppliers, and traders, catering to global markets with export-worthy packaging standards.

Q: What process is used to ensure the desired surface and finish of these bars?

A: Depending on customer requirements, SS 347 round bars can be finished by hot rolling or cold drawing, with additional options for polished, bright, or black surfaces to meet specific application needs and aesthetic preferences.