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Neeka Tubes is one of the well-known Stockist & Supplier of SS 304 Round Bars. We have a wide range of products that we supply to different industries. These bars are available in various forms such as Round, Hexagonal, Square and Flat. This makes them suitable for structural and mechanical uses . Austenitic Stainless Steel SS 304 Round Bar is known as SS 1.4301 Round Bar is an alloy that offers good strength. It is also available in the forms of ASTM A276, ASTM A479 and ASTM A182. But SS 304 Grade also provides good corrosion resistance and also has very high strength.
The stainless steel 304 round bar has Chromium of 18-20% and Nickel of 8-10.5% which provides good corrosion resisting property. It possesses tensile strength of 75000 Psi and yield strength of 30000 Psi to provide the much needed strength. Manganese content can go up to 2% while that of Carbon is at a maximum of 0.08% which makes it easily machinable. Its 35% elongation improves its flexing capability to suit various sectors. These features make ASTM a479 ss 304 round bar suitable for structural, industrial as well as mechanical application. Ensuring long-lasting performance and strength.
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Features of Stainless Steel 304 Round Bar
- Higher Machinability – Its smooth surface and easy workability allow efficient machining, cutting, and production in the industry.
- Superior Weldability – SS 304 can be welded using standard techniques, ensuring strong and durable fittings without compromising structural integrity.
- Durable – This round bar maintains its strength over time, reducing maintenance costs and increasing the lifespan of various applications.
- Available Sizes – This bar is available in sizes ranging from 4 mm to 101.6 mm, making it suitable for different industrial and engineering applications.
- Surface Finish – Smooth and polished finish enhances visual appeal, making it ideal for decorative and architectural applications.
- Non-Magnetic in Nature – SS 304 is non-magnetic, making it useful for electrical and specialized applications that require minimal magnetic interference.
SS 304 Round Bar is applied for construction, automotive, food processing as well as marine industries. It is suitable for shafts, fasteners and structural parts. Due to its high resistance to corrosion, it is used in the manufacturing of chemical and pharmaceutical equipment. It is also used in kitchen appliances, heat exchangers and in construction of buildings. To guarantee the durability and reliability of products in several industries.
Most Common Types of Stainless Steel 304 Round Bar
SS 304 Square Bar
SS 304 Bright Bar
SS 304 Hollow Bar
SS 304 Rectangle Bar
SS 304 Cold Rolled Bar
SS 304 Flat Bar
SS 304 Threaded Bar
SS 304 Half-Round Bar
Stainless Steel 304 Round Bar Specifications
| Specification | ASTM A276, ASTM A479, AMS 5513, AMS 5511, AMS 5647 |
| Dimensions | EN, ASME, AISI, BS, JIS, DIN, ASTM |
| Round Bar Size | Diameter: 3mm~800mm |
| Angle Bar Size | 3mm*20mm*20mm~12mm*100mm*100mm |
| 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 | Bright, Polish, Bright, Rough Turned, Grinding, Centreless Ground & Black |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Surface | Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline |
| Condition | Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished, Annealed round bar |
| Technique | Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
| Form | Threaded, T-Bar, Half Round Bar, Flat Bar, Rings, Blocks, Billet, Ingot, I/H Bar, Angle, Channel Bar, Profiles, Forging Etc. |
We Offers Custom Sizes and fast delivery of Stainless Steel 304 Round Bar in Mumbai, Check Dimensions & Sizes of SS 304 Round Bar.
304 Stainless Steel Round Bar Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Ni |
| SS 304 | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 18 – 20 | 8 – 11 |
Mechanical Properties of SS 304 Round Bar
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 304 | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
Equivalent Grades For 304 Stainless Steel Round Bar
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
Contact Neeka tubes today for a best offer & competitive quotation Of Stainless Steel 304 Round Bars
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SS 304 Round Bar Size Chart
| US Bar | Metric | Japanese | Canadian/ASTM | ||||
| Diameter(Inch) | Bar Size | Diameter (millimeter) | Stainless Steel Round Bar Size | Diameter (millimeter) | Stainless Steel Round Bar Size | Diameter (millimeter2) | Stainless Steel Round Bar Size |
| 0.250 | #2 | 5 | 5 | 6 | 6 | 100 | 10M |
| 0.375 | #3 | 5.5 | 5.5 | 10 | 10 | 200 | 15M |
| 0.500 | #4 | 6 | 6 | 13 | 13 | 300 | 20M |
| 0.625 | #5 | 7 | 7 | 16 | 16 | 500 | 25M |
| 0.750 | #6 | 8 | 8 | 19 | 19 | 700 | 30M |
| 0.875 | #7 | 9 | 9 | 22 | 22 | 1000 | 35M |
| 1.000 | #8 | 10 | 10 | 25 | 25 | 1500 | 45M |
| 1.125 | #9 | 11 | 11 | 29 | 29 | 2500 | 55M |
| 1.250 | #10 | 12 | 12 | 32 | 32 | ||
| 1.375 | #11 | 14 | 14 | 35 | 35 | ||
| 1.500 | #12 | 16 | 16 | 38 | 38 | ||
| 1.625 | #13 | 18 | 18 | 41 | 41 | ||
| 1.750 | #14 | 20 | 20 | 44 | 44 | ||
| 1.875 | #15 | 22 | 22 | 48 | 48 | ||
| 2.000 | #16 | 25 | 25 | 51 | 51 | ||
| 2.250 | #18 | 28 | 28 | 57 | 57 | ||
| 32 | 32 | ||||||
| 36 | 36 | ||||||
| 40 | 40 | ||||||
| 44 | 44 | ||||||
| 50 | 50 | ||||||
Weight Chart of Stainless Steel 304 Round Bars
| Round Bar Size | kilogram / Meter | kilogram / Foot | Size | kilogram / Meter | kilogram / Foot | Size | kilogram / Meter | kilogram / Foot |
| 1/8″ | 0.062 | 0.019 | 22 millimeter | 2.979 | 0.908 | 3 to 1/4″ | 41.996 | 12.800 |
|---|---|---|---|---|---|---|---|---|
| 3 millimeter | 0.055 | 0.017 | 20 millimeter | 2.470 | 0.753 | 3″ | 35.762 | 10.900 |
| 4 millimeter | 0.098 | 0.030 | 24 millimeter | 3.543 | 1.080 | 3 to 3/4″ | 55.780 | 17.001 |
| 5/32″ | 0.095 | 0.029 | 7/8″ | 3.038 | 0.926 | 3 to 1/2″ | 48.772 | 14.850 |
| 5 millimeter | 0.154 | 0.047 | 1″ | 3.970 | 1.210 | 4 to 1/4″ | 72.249 | 21.908 |
| 3/16″ | 0.141 | 0.043 | 25 millimeter | 3.871 | 1.180 | 4″ | 63.340 | 19.306 |
| 6 millimeter | 0.223 | 0.068 | 27 millimeter | 4.490 | 1.368 | 4 to 3/4″ | 90.249 | 27.366 |
| 7/32″ | 0.190 | 0.058 | 26 millimeter | 4.170 | 1.271 | 4 to 1/2″ | 80.340 | 24.4487 |
| 7 millimeter | 0.298 | 0.091 | 30 millimeter | 5.548 | 1.691 | 5 to 1/2″ | 121.000 | 36.690 |
| 1/4″ | 0.249 | 0.076 | 1 to 1/8″ | 5.033 | 1.534 | 5″ | 99.940 | 30.461 |
| 8 millimeter | 0.398 | 0.120 | 32 millimeter | 6.314 | 1.894 | 6 to 1/2″ | 167.630 | 51.093 |
| 5/16″ | 0.387 | 0.118 | 1 to 1/4″ | 6.349 | 1.924 | 6″ | 143.900 | 43.860 |
| 3/8″ | 0.557 | 0.170 | 35 millimeter | 7.553 | 2.390 | 7 to 1/2″ | 225.000 | 68.226 |
| 9 millimeter | 0.498 | 0.152 | 1 to 3/8″ | 7.550 | 2.303 | 7″ | 196.000 | 59.432 |
| 11 millimeter | 0.748 | 0.228 | 38 millimeter | 8.903 | 2.792 | 10″ | 397.140 | 121.048 |
| 10 millimeter | 0.620 | 0.189 | 36 millimeter | 7.999 | 2.438 | 8″ | 254.55 | 77.586 |
| 12 millimeter | 0.889 | 0.271 | 40 millimeter | 9.872 | 3.009 | |||
| 7/16″ | 0.761 | 0.232 | 1 to 1/2″ | 8.951 | 2.715 | |||
| 13 millimeter | 1.043 | 0.318 | 1 to 3/4″ | 12.179 | 3.712 | |||
| 1/2″ | 0.994 | 0.303 | 1 to 5/8″ | 10.449 | 3.200 | |||
| 9/16″ | 1.256 | 0.383 | 1 to 7/8″ | 13.977 | 4.260 | |||
| 14 millimeter | 1.207 | 0.368 | 45 millimeter | 12.555 | 3.807 | |||
| 5/8″ | 1.551 | 0.473 | 50 millimeter | 15.414 | 4.698 | |||
| 15 millimeter | 1.391 | 0.424 | 48 millimeter | 14.205 | 4.330 | |||
| 17 millimeter | 1.791 | 0.543 | 2 to 1/8″ | 17.963 | 5.475 | |||
| 16 millimeter | 1.578 | 0.481 | 2″ | 15.906 | 4.848 | |||
| 18 millimeter | 2.001 | 0.610 | 60 millimeter | 22.205 | 6.768 | |||
| 11/16″ | 1.880 | 0.573 | 2 to 1/4″ | 20.128 | 6.135 | |||
| 3/4″ | 2.237 | 0.682 | 2 to 3/8″ | 22.435 | 6.838 | |||
| 2 to 1/2″ | 24.856 | 7.576 | ||||||
| 2 to 5/8″ | 27.409 | 8.354 | ||||||
| 2 to 3/4″ | 30.083 | 9.169 |
SS 304 Round Bars Packing & Marking
Packing and Tests
Stainless Steel 304 Round Bar comes with Mill Test Certificates, Chemical and Mechanical Reports, PMI Test Reports, and Third-Party Inspections.
We also guarantee the safety of the products during transportation by avoiding any form of damage. And our team does not violate any safety procedures. There are NABL-approved labs for quality check and the destructive as well as non-destructive tests are done before the products are dispatched.
Delivery and Marking
Stainless Steel 304 Round Bar is properly marked with grade, dimension and heat number for reference. We also provide efficient and quick delivery and packing and handling services to avoid product damage. We have implemented proper quality control measures and relevant certificates are issued at the time of delivery to ensure that the customers do not face any inconvenience
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Industrial Application of SS 304 Round Bar
