Stainless Steel Round Bars
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Provide a vast inventory of Stainless Steel Flat Bar, Half Rounds, Threaded Bar Stock for Sale at cost-effective prices in Mumbai, India
Stainless Steel Round Bars are round solid cylindrical bars composed of stainless steel, which is commonly utilized in construction, manufacturing, and engineering sectors. Nandini Steel is a renowned stainless steel round bar manufacturer in India we provide high-quality bars that are recognized for their durability, strength and corrosion resistance. Our products are designed using advanced manufacturing processes such as hot rolling, cold drawing and precision machining. We are ISO 9001:2015 certified, highlighting our adherence to quality and reliability. The bars are suited to be utilised within shafts, fasteners, machine components.
Leading Stainless Steel Round Bars Manufacturer in Mumbai – Precision-Crafted Bars in All Grades, Sizes & Finishes at Competitive Prices
Key Features of Stainless Steel Round Bars
- Excellent Corrosion Resistance: With high chromium and nickel content, these bars resist rust and oxidation, even in harsh environments.
- High Strength and Durability: Stainless steel round bars can withstand high stress and pressure, making them ideal for load-bearing applications.
- Smooth Surface Finish: Precision finishing ensures a clean, smooth surface for both aesthetic appeal and improved performance.
- Wide Range of Sizes: Available in various stainless steel round bar sizes to meet the needs of different applications and industries.
- Machinability and Weldability: These bars offer excellent machinability and can be easily welded, bent or formed as required.
- Thermal and Chemical Resistance: Suitable for high-temperature and chemical-exposed environments.
Grades and Applications of Stainless Steel Round Bars
We provide a variety of stainless steel grades, such as 304 stainless steel round bars and 316 stainless steel round bars. Grade 304 is extensively utilized in architectural applications, kitchen appliances and chemical tanks because of its superior corrosion resistance and ductility. Grade 316 is suitable for marine and chemical processing industries since it provides extra resistance to chlorides and aggressive chemicals. These Stainless Steel Rods are also applied in automotive components, shafts, fasteners, pumps, valves and heavy machinery industries. Our round bars serve various sectors such as oil & gas, food processing industries, pharmaceutical industries and aerospace industries.
Packaging, Testing and Documentation
Every Nandini Steel Stainless Steel Round Bar is subjected to stringent quality checks and non-destructive testing for dimensional accuracy and performance. We adhere to international manufacturing standards like ASTM, ASME, DIN, JIS, and EN, so that every bar adheres to strict quality parameters. Round bars in different thicknesses, sizes, and lengths are provided according to customer specifications. Third-party inspection reports, material traceability reports and test certificates are issued as standard documentation. Our packaging guarantees safe transportation with bars covered in protective materials and securely bundled to avoid damage during delivery.
Delivery & Call to Action
We provide on-time delivery in India and internationally through a robust supply chain and proven logistics partners. Whether you have a small quantity or bulk quantity requirement, we serve all order quantities with equal dedication and quality control.
Want the best quality Stainless Steel Round Bars? Contact us your reliable Stainless Steel Round Bar Supplier in India. Call us today or email your inquiry to avail the best quote and technical assistance.
Other Types Stainless Steel Round Bars
Stainless Steel Square Bar
Stainless Steel Hex Bar
Stainless Steel Flat Bar
Stainless Steel Polished Bar
Stainless Steel Bright Bar
SS Threaded Rod
Stainless Steel Hollow Bar
SS Forged Bar
SS Rectangular Bar
SS Round Rod
SS Half Round Bar
SS Triangle Bar
Stainless Steel Round Bars Specification
Dimension Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Bar Diameter : 3 ~ 800mm
Hex Bar Size : 2-100mm A/F
Flat Bar Size : Thickness: 2 -100mm.
Width : 10 to 500mm.
Square Bar Size : 4 to 100mm
Rectangular Bars : Size: 33 x 30mm to 295 x 1066mm.
Thickness : 3.0 to 12.0mm.
Hollow Bars : 32mm OD x 16mm ID to 250mm OD x 200mm ID)
Billet Size : 1/2 to 495mm Diameter
Finish : Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
Tolerance : H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients requirements
Bar Surface : Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Rolled Bars Condition : Hardened & tempered, annealed
Cold Rolled Bar Technique : Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
Form : Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.
| ASTM Grade | C | Mn | Si | S | P | Cr | Ni | Mo | Other |
| 304 | 0.08 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 18.0-20.0 | 8.0-11.0 | – | – |
| 316 | 0.08 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 | – |
| 317L | 0.035 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 18.0-20.0 | 11.0-14.0 | 3.0-4.0 | – |
| 310S | 0.08 max | 2.00 max | 1.5 max | 0.030 max | 0.045 max | 24.0-26.0 | 19.0-22.0 | 3.0-4.0 | – |
| 347H | 0.04-0.10 | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 17.0-19.0 | 9.0-13.0 | – | 10C(Cb+Ta) < 1.10% |
| 321 | 0.08 | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 17.0-20.0 | 9.0-12.0 | – | 5C < 0.70% |
| Grades | 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 % |
| SS 304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 310/310S | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
| SS 310H | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40% |
| SS 316 | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 316L | 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 316Ti | 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 317 | 7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 317L | 7.9 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 321/321H | 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 347 | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 347H | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| SS 446 | 7.5 g/cm3 | 1510 °C (2750 °F) | Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % |
| SS 904L | 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
| Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
| SS 410 | 65 (450) | 30 (205) | 20 | 217 | 96 |
| Standard | Werkstoff Nr. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18‐09 | X5CrNi18-10 |
| SS 316 | 1.4401 | S31600 | SUS 316 | 316S31 | 08Х16Н11 | Z8CNMO17‐12 | X2CrNiMo17-12-2 |
| SS 317L | 1.4404 | S31703 | SUS 317L | 317S31 | 08Х18Н13 | Z6CND18.12 | X2CrNiMo18-14 |
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S33 | 12Х25Н20 | Z6CN25.20 | X8CrNi25-21 |
| SS 347H | 1.4550 | S34709 | SUS 347H | 347S31 | 08Х18Н12 | Z6CNDB18.10 | X6CrNiNb18-10 |
| SS 321 | 1.4541 | S32100 | SUS 321 | 321S31 | 08Х18Н9 | Z7CN18‐09 | X6CrNiTi18-10 |
SS Round Bars Dimensions
| US Bar | Metric | Japanese | Canadian/ASTM | ||||
| Diameter(Inch) | Stainless Steel Bar Size | Diameter (millimeter) | Stainless Steel Bar Size | Diameter (millimeter) | Stainless Steel Bar Size | Diameter (millimeter2) | Stainless Steel 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 For SS Round Bars
| Diameter in inch | Size in inch/MM | Weight Lbs/ft & Kg/M |
| 1/16 | 0.0625 1.5875 | 0.010 / 0.01488 |
| 1/8 | 0.125 3.175 | 0.042 / 0.062496 |
| 3/32 | 0.0938 2.38252 | 0.0240 / 0.035712 |
| 5/32 | 0.1563 3.97002 | 0.065 / 0.09672 |
| 7/32 | 0.2188 5.55752 | 0.128 / 0.190464 |
| 3/16 | 0.1875 4.7625 | 0.094 / 0.139872 |
| 1/4 | 0.25 6.35 | 0.167 / 0.248496 |
| 5/16 | 0.3125 7.9375 | 0.260 / 0.38688 |
| 9/32 | 0.2813 7.14502 | 0.211 / 0.313968 |
| 3/8 | 0.375 9.525 | 0.376 / 0.559488 |
| 1/2 | 0.5 12.7 | 0.668 / 0.993984 |
| 7/16 | 0.4375 11.1125 | 0.512 / 0.761856 |
| 9/16 | 0.5625 14.2875 | 0.844 / 1.255872 |
| 11/16 | 0.6875 17.4625 | 1.264 / 1.880832 |
| 5/8 | 0.625 15.875 | 1.043 / 1.551984 |
| 3/4 | 0.75 19.05 | 1.502 / 2.234976 |
| 7/8 | 0.875 22.225 | 2.045 / 3.04296 |
| 13/16 | 0.8125 20.6375 | 1.761 / 2.620368 |
| 15/16 | 0.9375 23.8125 | 2.35 / 3.4968 |
| 1 1/16 | 1.0625 26.9875 | 3.012 / 4.481856 |
| 1 | 1 25.4 | 2.671 / 3.974448 |
| 1 1/8 | 1.125 28.575 | 3.38 / 5.02944 |
| 1 1/4 | 1.25 31.75 | 4.173 / 6.209424 |
| 1 3/16 | 1.1875 30.1625 | 3.77 / 5.60976 |
| 1 5/16 | 1.3125 33.3375 | 4.598 / 6.841824 |
Stainless Steel Round Bars Surface Finish
| Mumbai (Maharashtra) | Delhi | Bengaluru (Karnataka) | Chennai (Tamil Nadu) |
| Kolkata (West Bengal) | Hyderabad (Telangana) | Ahmedabad (Gujarat) | Pune (Maharashtra) |
| Jaipur (Rajasthan) | Surat (Gujarat) | Chandigarh | Lucknow (Uttar Pradesh) |
| Indore (Madhya Pradesh) | Coimbatore (Tamil Nadu) | Kochi (Kerala) | Visakhapatnam (Andhra Pradesh) |
| Nagpur (Maharashtra) | Patna (Bihar) | Bhopal (Madhya Pradesh) | Vadodara (Gujarat) |
| Mysuru (Karnataka) | Thane (Maharashtra) | Rajkot (Gujarat) | Vijayawada (Andhra Pradesh) |
| Agra (Uttar Pradesh) | Nashik (Maharashtra) | Guwahati (Assam) | Kanpur (Uttar Pradesh) |
| Faridabad (Haryana) | Gurugram (Haryana) | Noida (Uttar Pradesh) | Shimla (Himachal Pradesh) |
| Raipur (Chhattisgarh) | Udaipur (Rajasthan) | Kolkata (West Bengal) | Bhubaneswar (Odisha) |
| Dehradun (Uttarakhand) | Ranchi (Jharkhand) | Jamshedpur (Jharkhand) | Chandrapur (Maharashtra) |
| Dhanbad (Jharkhand) | Aligarh (Uttar Pradesh) | Bhubaneswar (Odisha) | Aurangabad (Maharashtra) |
| Tiruchirappalli (Tamil Nadu) | Srinagar (Jammu & Kashmir) | Ludhiana (Punjab) | Warangal (Telangana) |
| Kolkata (West Bengal) | Bikaner (Rajasthan) | Panaji (Goa) | Guntur |
Oman, Kuwait, Turkey, Yemen, Syria, Jordan, Cyprus, Saudi Arabia, Iran, Iraq, UAE, Qatar, Bahrain
South Africa, Libya, Egypt, Sudan, Equatorial Guinea, The Republic Of Congo, Gabon, Nigeria, Algeria, Angola
Costa Rica, Puerto Rica, Trinidad And Tobago, Jamaica, Bahamas, Denmark, USA, Canada, Mexico, Panama
Netherland, Belgium, Greece, Czech Republic, Portugal, Hungary, Russia, Norway, Germany, France, Italy, UK, Spain, Ukraine, Croatia, Slovenia, Malta, Albania, Austria, Switzerland, Slovakia, Finland, Ireland
India, Japan, Sri Lanka, Maldives, Bangladesh, Mayanmar, Taiwan, Cambodia, Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea
Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay, Argentina, Bolivia, Brazil, Chile
