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Neeka Tubes is a leading Stainless Steel Round Bars supplier to various industries in the world. The round bars are corrosion-resistant, long lasting and versatile and therefore ideal for machining and structural purposes. The round bars are available in numerous sizes and serve to meet different industrial requirements, ensuring durability and good performance under harsh conditions.
Our SS round bars are made to precision with modern technology. They are produced by cold drawing or belt polishing for a higher finish. The bars go through annealing and solution annealing heat treatment for better mechanical properties. They range from lengths of 2 to 6 meters (8 to 20 feet) these stainless steel round bars provide high strength and superior formability.
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Key Features of Stainless Steel Round Bars
- Corrosion Resistance β Resistant to rust, oxidation, and extreme temperatures.
- High Strength & Durability β Capable of withstanding heavy loads and harsh environments.
- Good Machinability β Easy to cut, weld, and shape for various applications.
- Smooth Surface Finish β Cold-drawn or polished for precision and aesthetics.
- Low Maintenance β Requires minimal upkeep due to its self-healing oxide coating.
SS round bars are commonly used in many industries like construction, automotive, shipbuilding, aerospace, oil and gas and power generation. Their strength and ability to resist wear make them great for making shafts, fasteners, machine parts, and building frameworks. These round bars are also useful in food processing and chemical industries because they are clean and do not react with other materials.
Most Common Types of Stainless Steel Round Bars
SS Square Bar
SS Bright Bar
SS Hollow Bar
SS Rectangle Bar
SS Cold Rolled Bar
SS Flat Bar
SS Threaded Bar
SS Half-Round Bar
Stainless Steel Round Bar Specifications
| Dimensions | EN, ASME, AISI, BS, JIS, DIN, ASTM, |
|---|---|
| Stainless Steel Round Barsize | Thickness: 2 to 100 milimeter |
| Tolerance | K11, H8, H12, K12, H13, H10, H9, K9, K10, H11, or as per need |
| Stainless Steel Round Bar Form | Round, Rod, T-Bars, Channel Bars, Precision Ground Bars, Flat Bars, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Threaded, Hex (A/F), Rectangle, Half Round Bars, Profiles, Billet, Ingot, Forging, I/H Bars etc. |
| Flat bar size | Dia: 3-~800 milimeter |
| Width: 10 – 500 milimeter | |
| size of Stainless Steel Angle bar | 3 milimeter * 20 milimeter* 20 milimeter~12 milimeter* 100 milimeter* 100 milimeter |
| Section bar | 3.0 – 12.0 milimeter thk |
| Stainless Steel Channel Bar sizes | 5 – 6 milimeter thk, 80 x 40 milimeter – 150 x 75 milimeter section |
| Hollow Bar sizes | 32 milimeter Outside Diameter x 16 milimeter Inside Diameter to 250 milimeter Outside Diameter x 200 milimeter Inside Diameter) |
| Size of Rectangles | 34 x 30 milimeter – 295 x 1066 milimeter |
| Stainless Steel Billet Size | 1/2 – 495 milimeter Diameter |
| Surface | Hot Rolled Pickled, Bright, Sand Blasting Finished, Cold Drawn, Hairline,Polished |
| Finish | Cold (bright) drawn, hot rolled, slit rolled edge, Polish, Bright, peeled, hot rolled annealed, Rough Turned, centreless ground, Centreless Ground, smooth turned, Grinding & Black |
| Technique | Stainless Steel Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
| Stainless Steel Round Bar Condition | annealed, tempered, Hardened |
| Processing | cutting to 650 milimeter |
We Offers Custom Sizes and fast delivery of Stainless Steel Round Bar in Mumbai, Check Dimensions & Sizes of Stainless Steel Round Bar.
Stainless Steel Round Bar Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Ni |
| SS 201 | Β 0.15 max | Β 5.5 – 7.5 | 1.00 max | Β 0.06 max | 0.03 max | 16 β 18 | 0.3-0.5 |
| SS 202 | β€ 0.15 | 7.50-10 | β€ 1 | β€ 0.060 | β€ 0.030 | 17- 19 | 4-6 |
|---|---|---|---|---|---|---|---|
| SS 303 | – 0.15 | – 2.00 | – 1.00 | – 0.20 | 0.15 – | 17.0 19.0 | 8.0 10.0 |
| SS 304 | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 18 β 20 | 8 β 11 |
| SS 304L | 0.03% | 2% | 0.75% | 0.045% | 0.030% | 20% | 12% |
| SS 310 | 0.015 max | 2 max | 0.15 max | 0.20 max | 0.015 max | 24-26 | 19-21 |
| SS 316 | 0.3 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 16 – 18 | 10 – 14 |
| SS 316L | 0.03 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | min: 16.0 max: 18.0 | min: 10.0 max: 14.0 |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 9.00 – 12.00 |
| SS 410 | 0.15 | 1.00 | 1.00 | 0.040 | 0.030 | 11.5 β 13.5 | 0.75 |
| SS 420 | 0.15 | 1.00 | 1.00 | 0.04 | 0.03 | 14.0 β 12.0 | – |
| SS 430 | 0.12 | 1.25 | 1.00 | 0.06 | 0.15 | 18.0 – 16.0 | – |
Mechanical Properties of SS Round Bar
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 201 | 8.0 g/cm3 | 1454 Β°C (2650 Β°F) | 515 MPa | 275 MPa | 40 % |
| SS 202 | 7.8 g/cmΒ³ | 1400Β°C (2550Β°F). | 515 MPa | 275 MPa | 40 % |
| SS 303 | 8.0 g/cm3 | 1400 Β°C (2550 Β°F) | Psi β 85,000 | Psi β 45,000 | 50% |
| SS 304 | 8.0 g/cm3 | 1400 Β°C (2550 Β°F) | Psi β 75000 , MPa β 515 | Psi β 30000 , MPa β 205 | 35 % |
| SS 304l | 8.0g/ cm3 | 1400Β°C (255Β°F) | PSI-75000 (MPa-515) | PSI-30000 (MPa-205) | 35% |
| SS 310 | 7.9 g/cm3 | 1402 Β°C (2555 Β°F) | Psi β 75000 , MPa β 515 | Psi β 30000 , MPa β 205 | 40 % |
| SS 316 | 8.0 g/cm3 | 1454 Β°C (2650 Β°F) | Psi β 75000 , MPa β 515 | Psi β 30000 , MPa β 205 | 40 % |
| SS 316L | 8.0 g/cm3 | 1399 Β°C (2550 Β°F) | Psi β 75000 , MPa β 515 | Psi β 30000 , MPa β 205 | 35 % |
| SS 321 | 8.0 g/cm3 | 1457 Β°C (2650 Β°F) | Psi β 75000 , MPa β 515 | Psi β 30000 , MPa β 205 | 35 % |
| SS 410 | 7.74 g/cm3 | 1480 Β°C (2790 Β°F) | Psi β 74000 , MPa β 510 | Psi β 42000 , MPa β 290 | 34 % |
| Grade | Tensile Strength (PSI) | Yield Strength (PSI) | Reduction of Area | Elongation in 2″ | Brinell Hardness |
| SS 420 | 95,000 | 50,000 | 55 | 25 | 175 |
| SS 430 | 552 | 379 | – | 25 | 262 |
Equivalent Grades For Stainless Steel Round Bar
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 201 | 1.4372 | S20100 | SUS 201 | 201S31 | 12Π₯13 | Z6CN18-09 | X6CrNi18-11 |
| SS 202 | 1.4373 | S20200 | – | – | – | – | – |
| SS 303 | 1.4305 | S30300 | – | 303S31 | – | – | – |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Π₯18Π10 | Z7CN18β09 | X5CrNi18-10 |
| SS 304L | 1.4306 | S30403 | SUS 304L | 3304S11 | 03Π₯18Π11 | Z3CN18β10 | X2CrNi18-9 |
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | β | X15CrNi25-20 |
| SS 316 | 1.4401 | S31600 | SUS 316 | 316S31 | – | Z7CND17β11β02 | X5CrNiMo17-12-2 |
| SS 316L | 1.4404 | S31603 | SUS 316L | 316S11 | 03Ch17N14M3 | Z3CND17β11β02 | X2CrNiMo17-12-2 |
| SS 410 | 1.4006 | S41000 | SUS 410 | 410S21 | – | – | – |
| SS 321 | 1.4541 | S32100 | SUS 321 | – | – | – | X6CrNiTi18-10 |
| SS 420 | 1.4021 | S42000 | SUS 420 J1 | 420S29 | – | – | FeMi35Cr20Cu4Mo2 |
| SS 430 | 1.4104 | S43020 | SUS 430 J1 | – | – | – | – |
Contact Neeka tubes today for a best offer & competitive quotation Of Stainless Steel Round Bars
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Stainless Steel Round Bar Sizes
| 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 Round Bars
| Stainless Steel 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 Round Bars Packing & Marking
Packaging & Marking Details
Our SS round bars are properly packed in wooden boxes, plastic wrapping and steel strapped bundles to avoid damage during transportation.
Each bar is labeled with the grade, size, heat number and manufacturer information for easy identification. We provide safe and timely delivery across the globe, as per customer needs efficiently.
Quality Tests & Certifications
Our stainless steel round bars are subjected to tensile strength, hardness, chemical composition and ultrasonic testing to provide the best quality. We offer mill test certificates (MTC), third-party inspection reports and compliance certificates, maintaining global standards and customer satisfaction.
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Industrial Application of Stainless Steel Round Bar
