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Neeka Tubes is a trusted producer of Stainless Steel 303 Round Bars. We offer these bars in Hex, Square, Round, Forged, and Flat types. With thicknesses from 2 to 150 mm. Stainless Steel 303 is a free-machining grade with added sulfur for better machinability while maintaining strength and corrosion resistance. It is widely used in precision parts and fittings due to its durability, smooth finish and excellent wear resistance making it ideal for machining applications.
SS 303 Round Bar contains 17-19% Chromium and 8-10% Nickel which provides corrosion resistance and strength to it. It has tensile strength of 85000 Psi and yield strength of 45000 Psi. With 50% elongation. Its 8.0 g/cm³ density provides durability. Also 112 BTU-in/hr-ft²-°F thermal conductivity is used to determine the rate at which heat is transferred. Machinability is enhanced when sulfur is added making it suitable for manufacturing of precision parts. It has a shiny surface and it is hard, which makes it suitable for use in the manufacturing process and in industries.
Buy Huge Quantity of 303 Stainless Steel Round Bar, 303 stainless steel rod, SS 303 bright bar, SS 303 bar stock, ASTM A276 SS 303 round bar, UNS S30300 Forged Round Rods, Stainless Steel 303 Round Bar at Best Price in India.
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Features of Stainless Steel 303 Round Bars
- High Durability – Its strong structure provides excellent durability, making it suitable for demanding applications that require strength, reliability, and long service life.
- Non-Magnetic in Annealed Condition – Stainless Steel 303 remains mostly non-magnetic when annealed, making it useful in applications where magnetic interference needs to be minimized.
- Excellent Wear Resistance – This round bar can withstand continuous use without excessive wear, ensuring better performance and reducing maintenance in mechanical applications.
- Versatile Manufacturing Options – Available in hot-rolled, cold-drawn, and forged types, it provides flexibility for different industrial requirements and fabrication needs.
- High Melting Point – Its high melting point (1400°C) ensures resistance to high temperatures, making it suitable for applications exposed to heat and thermal stress.
Most Common Types of Stainless Steel 303 Round Bar
SS 303 Square Bar
SS 303 Bright Bar
SS 303 Hollow Bar
SS 303 Rectangle Bar
SS 303 Cold Rolled Bar
SS 303 Flat Bar
SS 303 Threaded Bar
SS 303 Half-Round Bar
Stainless Steel 303 Round Bar Specifications
| Specification | ASTM / ASME SA A582, A276, A564, ASTM A484, 484M |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Round Bar Size | Diameter: 3/16″ -1-5/8″ |
| Angle Bar Size | small angles (like 20mm x 20mm) to larger angles (like 200mm x 200mm) |
| Square Bar Size | 4mm*4mm~100mm*100mm |
| Flat Bar Size | Thickness: 2mm~100mm |
| Width: 10mm~500mm | |
| Hex Bar Size | 2mm~100mm |
| Billet Size | 1/2″ to 495mm Diameter |
| Rectangles Size | 33mm x 30mm to 295mm x 1066mm |
| Finish | Pickled, Polishing, Black, Bright, Blasting. |
| Tolerance | H7, H8, H9, H11, K12, K13 (or as per client requirements) |
| Surface | Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline |
| Condition | Cold Rolled, Forged Round Bar, Hot Rolled, Cold Drawn. |
| Technique | Hot Rolling, Cold Drawing, Centerless Grinding, Annealing, Pickling and Passivation, Polishing, Cutting/Size Customization, Packaging and Delivery. |
| Form | Rod, Flat Bar, Hex Bar, Square Bar, Forged Bar, Bright Bar, Rectangular Bar. Etc. |
We Offers Custom Sizes and fast delivery of Stainless Steel 303 Round Bar in Mumbai, Check Dimensions & Sizes of SS 303 Round Bar.
303 Stainless Steel Round Bar Chemical Composition
| Grade | Mn | C | S | Si | P | Mo | Cr | Se | Ni | |
|---|---|---|---|---|---|---|---|---|---|---|
| SS 303 | Min. Max. | – 2.00 | – 0.15 | 0.15 – | – 1.00 | – 0.20 | – | 17.0 19.0 | – | 8.0 10.0 |
Mechanical Properties of SS 303 Round Bar
| Grade | Comprehensive Strength | Tensile Strength | Elongation |
|---|---|---|---|
| SS 303 | MPa – 190 | MPa – 500 – 700 | 35 Min% |
Equivalent Grades For 303 Stainless Steel Round Bar
| AISI | UNS | DIN EN | X8CrNiS | BS | SUS |
|---|---|---|---|---|---|
| SS 303 | S30300 | 1.4305 | 303S31 | 18-9 | 303 |
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SS 303 Round Bar Size Chart
| Type | Size (Inches) | Size (mm) |
|---|---|---|
| Peeled and Polished | 1.50 – 6.00 | 40.00 – 150.00 |
| Cold Drawn and Polish | 1/8 – 3.00 | 3.00 – 75.00 |
| Peeled and Ground | 3/4 – 2.00 | 20.00 – 50.00 |
| Cold Drawn and Ground | 5/6 – 2.50 | 10 |
SS 303 Round Bar Weight Chart
| Item # | Diameter | Weight |
|---|---|---|
| 303-125 | Diameter N/A 1/8 inches | 0.042 lbs/ft0.062496 kg/m |
| 303-1563 | Diameter N/A 5/32 inches | 0.065 lbs/ft0.09672 kg/m |
| 303-1875 | Diameter N/A 3/16 inches | 0.094 lbs/ft0.139872 kg/m |
| 303-2188 | Diameter N/A 7/32 inches | 0.128 lbs/ft0.190464 kg/m |
SS 303 Round Bars Packing & Marking
Tests & Packaging
Non-destructive and destructive testing are conducted on UNS S30300 round bars. To meet the quality and strength requirements. Third-party inspections verify standards and reliability.
The packaging protects the product from any damage during transportation. Every bar is properly packed to ensure that it retains its quality and get to the consumer in the best state.
Delivery and Certification
Stainless Steel 303 Round Bar is applied for shafting, screws, nuts, bolts, gears and fittings. Due to its excellent machinability. It is suitable for use in manufacturing of precision parts for aerospace, automotive and food processing industries. It is used in mild environment because of its corrosion resistance. It is also used in pump shaft, valves and marine equipment. Maintaining reliability and durability in different mechanical and industrial uses. Grade 303 contains sulfur for better machinability. It has a reasonable resistance to oxidation in dry environment.
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Industrial Application of SS 303 Round Bar
