Stainless Steel 304 Round Bar

Name: Stainless Steel 304 Round Bar
Brand: JAYANT IMPEX
Price: 190.0 INR
Availability: InStock

190.0 INR/Kilograms

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Product Details:

Finish Bright, Polished, Black
Grade 304
Length 1 Meter to 6 Meters (Custom Cut Available)
Tolerance h9, h11, or as required
Specific Use Shafts, Machinery Parts, Fasteners
Material Stainless Steel 304
Application Construction, Engineering, Manufacturing
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Stainless Steel 304 Round Bar Price And Quantity

Minimum Order Quantity 1 Kilograms
Price 190.0 INR/Kilograms

Stainless Steel 304 Round Bar Product Specifications

Processing Annealed, Pickled
Type Round Bar
Technique Hot Rolled / Cold Drawn
Standard ASTM A276, ASTM A479
Diameter 3 mm to 300 mm
Finish Bright, Polished, Black
Length 1 Meter to 6 Meters (Custom Cut Available)
Grade 304
Tolerance h9, h11, or as required
Specific Use Shafts, Machinery Parts, Fasteners
Application Construction, Engineering, Manufacturing
Material Stainless Steel 304

Melting Point 1400C - 1450C
Packaging Standard Export Packing, Customized Packing Available
Surface Condition Smooth and Free from Scale
Elongation 40% Min
Yield Strength 205 MPa
Hardness 201 HB (Brinell)
Ultimate Tensile Strength 515 - 690 MPa
Corrosion Resistance Excellent
Density 8.0 g/cm3

Product Description

Stainless Steel 304 Round Bar (also classified under cross-references like UNS S30400,DIN 1.4301, and SUS 304) is an austenitic chromium-nickel alloy. It is the most widely utilized stainless steel profile across machining, manufacturing, and structural fabrication due to its balanced mechanical profiling and robust chemical stability.

Below is an overview of its foundational engineering properties, supply conditions, and standard linear weight estimations.

Key Technical Specifications

Chemical Composition: Contains 18% to 20% Chromium (Cr) and 8% to 10.5% Nickel (Ni) as its defining alloying elements, with a maximum carbon threshold of 0.08%.
Mechanical Performance: Features a minimum Tensile Strength of 515 MPa (74,700 psi) and a minimum Yield Strength of 205 MPa (29,700 psi) at a 0.2% offset. It typically displays an elongation capacity of 35% to 40% and a maximum hardness of 201215 Brinell (HB).
Physical Parameters: Operates with a dense mass configuration of 8.0 g/cm (or 7.93 g/cm depending on processing variants) and holds a melting point threshold between 1400C and 1450C. It remains reliably non-magnetic in solid solution/annealed states.
Thermal Capabilities: Exhibits an oxidation and heat scaling resistance profile up to an intermittent service ceiling of 870C (1598F).

Processing, Supply States & Dimensional Tolerances

The material is commonly supplied under specific fabrication standards such as ASTM A276 and ASTM A479, categorized by its mechanical processing path and surface topography:

Cold-Drawn / Bright Bars: Precision-processed for high dimensional accuracy and structural rigidity. Typical diameter tolerances for cold-finished sections follow strict limits, ranging from 0.001" for smaller fractions (under 5/16") to 0.003" for larger sections up to 3.25". Common ISO tolerance grades include h8, h9, h11, and K9 to K12.
Hot-Rolled / Forged Bars: Primarily targeted for heavy structural frameworks or rough machining blanks where tight initial tolerances are secondary. Rolling tolerances range loosely from +3/64" on smaller diameters up to +7/32" on massive hot-finished rounds over 12 inches.
Surface Finishes Available: Peeled & Centerless Ground, Smooth Turned, Polished, or Raw Hot-Rolled Pickled (Black/Matte).

Standard Linear Weight Chart (Metric)

For calculating transport logistics, material estimation, or foundational structural loads, engineers utilize standard linear mass formulas based on the nominal outer diameter (OD).

Outer Diameter (OD)	Calculated Weight per Meter
3 mm	0.06 kg/m
6 mm	0.22 kg/m
8 mm	0.40 kg/m
10 mm	0.62 kg/m
12 mm	0.89 kg/m
16 mm	1.58 kg/m
20 mm	2.48 kg/m
25 mm	3.88 kg/m
32 mm	6.31 kg/m
40 mm	9.93 kg/m
50 mm	15.40 kg/m

Procurement Options

If you are sourcing specific sample quantities, precision pre-cut lengths, or bulk stock bars for immediate prototyping, several standard dimensional configurations are widely distributed online:

For small-scale precision hobby engineering, instrumentation, or tight-tolerance pinning applications, the OnlineMetals 304 Stainless Steel Round Rod (0.125" x 48") offers an unpolished mill finish that is fully annealed to meet AMS 5639 and ASTM A276 standards.
For standard mechanical component fabrication or prototyping infrastructure requiring balanced scaling lengths, the TMW Profiles Stainless Steel 304 Silver Round Rod (8mm x 1000mm) delivers a smooth, cold-drawn profile in a practical pre-cut metric size.
For heavier mechanical shafts, industrial hardware blanks, or structural pins requiring a premium surface presentation, the MetaleMart Solid Stainless Steel Round Bar (82.55mm x 1000mm) delivers a massive, solid cross-section cut cleanly to a one-meter length.

Superior Quality and Corrosion Resistance

Stainless Steel 304 Round Bars are renowned for their outstanding ability to resist corrosion, making them suitable for both indoor and outdoor applications. Their smooth surface condition ensures minimal maintenance and a polished, professional appearance even in harsh environments. The bars are meticulously processed through annealing and pickling for enhanced durability.

Versatile Applications Across Industries

These round bars are ideal for construction, engineering, and manufacturing sectors. Because of their high tensile strength and excellent ductility, they are widely used for fabricating shafts, fasteners, and precision machinery components. Available in a range of diameters and customizable lengths, they adapt to diverse technical requirements.

Comprehensive Processing and Customization Options

Offered in various finishes such as bright, polished, or black, the Stainless Steel 304 Round Bar meets a broad spectrum of aesthetic and functional needs. With advanced processing techniques and tight tolerances (h9, h11, or as required), each bar can be tailored to specific project demands. Customized packaging ensures safe delivery anywhere in India or for export.

FAQ's of Stainless Steel 304 Round Bar:

Q: How is the Stainless Steel 304 Round Bar processed to achieve a smooth, scale-free surface?

A: The bar undergoes advanced annealing and pickling processes, which remove scale and impurities from the surface. These treatments result in a smooth, clean finish, making the product ideal for applications where appearance and hygiene are essential.

Q: What are the main applications of Stainless Steel 304 Round Bars?

A: These bars are widely utilized in construction, engineering projects, and manufacturing. They serve as essential components in shafts, machinery parts, and fasteners due to their strength, ductility, and excellent corrosion resistance.

Q: When should I choose Stainless Steel 304 Round Bar for my project?

A: You should opt for Stainless Steel 304 Round Bar when your project requires materials with superior corrosion resistance, high strength, and excellent workability. It is particularly advantageous in environments exposed to moisture or chemicals.

Q: Where can Stainless Steel 304 Round Bars be sourced in India?

A: These bars are available from dealers, exporters, fabricators, manufacturers, producers, retailers, suppliers, and traders throughout India. Many offer both standard and customized options to meet specific project or industry requirements.

Q: What benefits does Stainless Steel 304 offer over other grades for round bars?

A: Stainless Steel 304 delivers a balance of high tensile strength, corrosion resistance, and ease of fabrication. It maintains form and function even in challenging conditions, making it a preferred choice for long-term reliability.

Q: How can the bars be customized according to project needs?

A: Bars can be tailored in length (1 to 6 meters), diameter (3 mm to 300 mm), surface finish (bright, polished, black), and packaging. Tolerance can also be adjusted (h9, h11, or as specified) to ensure precise fit and function in specific applications.

Q: What is the standard process for exporting and packaging the round bars?

A: These products are typically packed following standard export procedures to prevent damage during transit. Customized packaging is also available for special handling or branding requirements.

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