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SS 304 Black Round Bar

Name: SS 304 Black Round Bar
Brand: HITRATNA METALS
Price: 200.0 INR
Availability: InStock

Price 200.0 INR/ Kilograms

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MOQ : 100 Kilograms

SS 304 Black Round Bar Specification

Chemical Composition
Cr (18-20%), Ni (8-10.5%), C (<0.08%), Mn (<2%), Si (<1%), P (<0.045%), S (<0.03%)

Size
Wide range available (custom sizes upon request)

Corrosion Resistant
Yes, excellent corrosion resistance

Recyclable
Yes

Hardness
201 HB (Brinell)

Temper
Annealed/Cold Drawn

Tensile Strength
515 MPa Min

Width
Customizable as per requirements

Coating Type
None (Black oxide scale from rolling)

Heat Resistance
Yes

Product Form
Round Bar

Diameter
6mm to 300mm (Standard/Custom)

Material Composition %
Cr 18-20, Ni 8-10.5, balance Fe, trace elements

Product Name
SS 304 Black Round Bar

Steel Type
Austenitic Stainless Steel

Steel Product Type
Round Bar

Grade
304

Thickness
Standard diameters from 6mm to 300mm or per order

Shape
Round

Steel Standard
ASTM A276, A479; EN 10088-3

Surface
Black (Hot Rolled Finish)

Composition
Stainless Steel (304 Grade)

Application
Construction, manufacturing, automotive, dairy & food processing, chemical industries

Dimension (L*W*H)
Available in multiple lengths and diameters, customizable

Weight
Depends on size and length

Color
Black

Material Grade
SS304

Finish Type
Black (hot rolled, mill finish)

Usage
General fabrication, shafts, machinery parts

Bar Length
Usually 3m/6m (custom lengths available)

Manufacturing Process
Hot Rolled / Cold Drawn

Supply Condition
As Rolled/Annealed

Machinability
Moderate

Packaging Type
Standard bundles, wooden cases for export

Density
8.0 g/cm3

Weldability
Excellent

Surface Protection
No additional protection, mill scale present

Elongation
40% Min

Standards Complied
ASTM, ISO, EN, JIS

Custom Processing
Cut-to-size, machining, threading available

Magnetism
Non-magnetic in annealed condition

MOQ
Flexible, as per requirement

SS 304 Black Round Bar About

SS 304 is one of the most widely used austenitic stainless steels, offering a strong combination of corrosion resistance, strength, formability and weldability.

Applications: Food-processing equipment, kitchen equipment, architectural components, tanks, machinery parts, automotive components and general engineering.

Versatile Applications

SS 304 Black Round Bars are widely used in sectors such as automotive, construction, manufacturing, dairy, food processing, and chemical industries. Their excellent corrosion resistance and strength make them ideal for shafts, machinery parts, and general fabrication projects. Custom sizes and cut-to-length options are available, catering to specific industry requirements.

Compliance and Quality Assurance

These bars adhere to various international standards, including ASTM A276/A479 and EN 10088-3, ensuring consistent quality and reliability. Both hot rolled and cold drawn manufacturing processes are available, delivering products in as-rolled or annealed conditions to suit different fabrication needs. Each bar undergoes strict inspection for dimensional accuracy and material integrity.

Superior Performance Features

Offering a minimum tensile strength of 515 MPa, a Brinell hardness of 201 HB, and elongation of at least 40%, SS 304 Black Round Bars provide excellent mechanical properties. The combination of non-magnetic nature in the annealed state, good heat resistance up to 870C, and recyclable material makes these bars an eco-friendly and long-lasting solution for demanding environments.

FAQ's of SS 304 Black Round Bar:

Q: How are SS 304 Black Round Bars manufactured?

A: They are produced through either a hot rolling or cold drawing process. Hot rolled bars exhibit a black oxide mill scale surface and are supplied as rolled or annealed, providing structural strength and flexibility in applications.

Q: What benefits does SS 304 provide for round bars?

A: SS 304 offers excellent corrosion resistance, high tensile strength, good weldability, and moderate machinability. These features make the round bars ideal for environments requiring durability and resistance to staining and corrosion.

Q: Where can SS 304 Black Round Bars be utilized?

A: They are suitable for use in construction, automotive manufacturing, general fabrication, machinery components, dairy and food processing, and the chemical industry due to their robust and versatile nature.

Q: What is the typical packaging for these round bars?

A: SS 304 Black Round Bars are usually bundled in standard packages, with wooden cases provided for export orders to ensure safe and secure transportation.

Q: Is custom processing available for SS 304 Black Round Bars?

A: Yes, custom processing such as cut-to-size, machining, and threading is available upon request to meet specific project requirements.

Q: Are these bars magnetic or non-magnetic?

A: In the annealed condition, SS 304 Black Round Bars are non-magnetic, making them suitable for applications that require low magnetic permeability.

Q: How does the absence of additional surface coating affect the bar's performance?

A: The bars retain the black mill scale surface from hot rolling, offering adequate protection in many industrial settings. However, if enhanced surface finish or additional protection is needed, further processing is recommended.

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