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SS 347 Black Square Bar

Name: SS 347 Black Square Bar
Brand: HITRATNA METALS
Price: 340.0 INR
Availability: InStock

Price 340.0 INR/ Kilograms

Get a Price/Quote

MOQ : 100 Kilograms

SS 347 Black Square Bar Specification

Material Composition %
Cr: 17-19%, Ni: 9-13%, Cb+Ta: as required

Tensile Strength
515 MPa min

Width
Customizable as per requirement

Product Form
Solid Bar

Chemical Composition
Stabilized with Columbium and Tantalum, contains Chromium and Nickel

Temper
Annealed or Hardened (as specified)

Recyclable
Yes, 100%

Hardness
217 HB max (annealed)

Corrosion Resistant
Yes, excellent

Heat Resistance
Yes

Diameter
Not applicable (square bar)

Size
Various sizes from 10mm to 100mm and above

Coating Type
None (natural black oxidized)

Product Name
SS 347 Black Square Bar

Steel Type
Austenitic Stainless Steel

Steel Product Type
Square Bar

Grade
SS 347

Thickness
Customizable as per requirement

Shape
Square

Steel Standard
ASTM A276 / ASME SA276

Surface
Black Finish

Composition
Chrome-Nickel Alloy with Additions for Improved High Temp Resistance

Application
Construction, Fabrication, Structural Support, Industrial Machinery

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

Weight
Dependent on size and length

Color
Black

Material Grade
347

Finish Type
Industrial Black

Usage
Suitable for high-temperature and corrosion-resistant applications

Shape Tolerance
Within ASTM/ASME standards

Weldability
Excellent

Minimum Order Quantity
As per supplier policy

Density
7.98 g/cm3

Melting Point
1400-1450C

Manufacturing Process
Hot Rolled / Cold Drawn

Machinability
Good (with suitable tools)

Edge Condition
Sharp Edges, Machinable

Delivery Condition
As Rolled / Annealed

Custom Cut Lengths
Available

Trade Mark
HITRATNA METALS

High Temperature Stability
Excellent structural integrity at elevated temperatures

SS 347 Black Square Bar About

SS 347 is a niobium-stabilized austenitic stainless steel offering excellent corrosion resistance and good high-temperature performance. It is particularly suitable for elevated-temperature and welded applications.

Aerospace components, exhaust systems, heat exchangers, power-generation equipment, high-temperature piping, chemical-processing equipment, and industrial machinery.

Superior High-Temperature Stability

SS 347 Black Square Bars provide exceptional structural integrity even at elevated temperatures, making them particularly well-suited for applications in demanding industries, including construction, fabrication, and industrial machinery. The stabilized chrome-nickel alloy composition ensures reliability where other materials may fail under heat.

Precision and Customization Options

Every bar is produced to meet stringent ASTM/ASME standards for shape tolerance, with a wide range of customizable options in terms of length, width, and thickness. Delivery is available in 'as rolled' or annealed condition, and sharp-edge finishing is standard. This flexibility lets clients tailor the product precisely to their project's specifications.

FAQ's of SS 347 Black Square Bar:

Q: How is the SS 347 Black Square Bar manufactured?

A: These bars are produced using hot rolled or cold drawn techniques. The process results in an industrial black finish and can be delivered either in 'as rolled' or annealed temper, ensuring suitable mechanical and structural properties.

Q: What are the main benefits of using SS 347 Black Square Bar in high-temperature environments?

A: SS 347 Black Square Bars maintain excellent structural stability and corrosion resistance at high temperatures, up to 870C. The inclusion of Columbium and Tantalum prevents carbide precipitation, enhancing longevity in demanding applications.

Q: When should I choose annealed versus hardened SS 347 Black Square Bars?

A: Annealed bars are preferable when maximum ductility and machinability are needed. Hardened bars, specified as required, offer higher strength and are recommended for applications demanding elevated mechanical performance.

Q: Where can these bars be used?

A: Due to their superior heat and corrosion resistance, SS 347 Black Square Bars are suitable for construction, fabrication, structural supports, and industrial machinery exposed to aggressive or high-temperature environments.

Q: What is the machinability and weldability of SS 347 Black Square Bars?

A: These bars offer good machinability when using suitable tools and exhibit excellent weldability. They are ideal for projects requiring seamless fabrication and reliable performance.

Q: Is it possible to order SS 347 Black Square Bars in specific sizes or lengths?

A: Yes, HITRATNA METALS supplies these bars in a variety of custom sizes and lengths as per requirement. Width and thickness are fully customizable, accommodating unique project specifications.

Q: What standards and chemical composition do these bars meet?

A: SS 347 Black Square Bars conform to ASTM A276/ASME SA276 standards and comprise 17-19% Chromium, 9-13% Nickel, and the required amounts of Columbium and Tantalum. This stabilized composition ensures strength and resistance in high-temperature services.

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