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Stainless Steel 321 Round Bar
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Neeka Tubes is a well-known manufacturer and supplier of Stainless Steel 321 Round Bars. SS 321 is a high strength material with good corrosion resistance features. It also offers excellent oxidation resistance. This makes it perfect for high temperature applications. The round shape of these bars provides equal strength and ease in the process of machining. It also has good weld ability which makes it suitable for most fabrication requirements. These Bars are available in lengths 1 to 6 meters or customisable lengths as per the client’s requirement.
SS 321 round bar (UNS S32100) contains 17-19% chromium and 9-12% nickel which provides good corrosion and heat resistant properties. It has tensile strength of 75 ksi and yield strength of 30 ksi. This provides it excellent strength and ability to endure high pressure. It has a hardness of 217 HB and elongation of 40% making it tough yet ductile. The 0.08% low carbon content means there is no formation of carbide. This composition makes it ideal for high temperatures and welding.
ASTM A276 Stainless Steel 321H Rods Exporter, Stainless Steel 321 Forged Bar, SS 321 Square Bar, SS 321 Bright Bar, SS ASTM A276 321 Flat Bar, Stainless Steel 321H Rectangular Bar, ASTM A276 Stainless Steel 321H Hex Bar Supplier, SS 321/321H Round Bar Manufacturer in India.
Advantages of Stainless Steel 321 Round Bar
- Resistant to Wear and Tear: SS 321 round bars can handle a lot of use without getting weaker. They don’t get scratched, dented, or damaged on the surface so you can trust them even in high stress situations. This durability guarantees performance that lasts and results that are always the same.
- Low Maintenance Requirement: These bars need very little maintenance.Their corrosion resistance and smooth surfaces reduce cleaning and repair work.This saves time and cost while keeping the bars functional for years.
- Non-Magnetic in Nature: SS 321 is naturally non-magnetic, so it’s great for places where magnetic interference is a problem. It makes sure that things run smoothly and keeps problems from happening in sensitive industrial settings.
- Eco-Friendly: Stainless steel 321 is fully recyclable. Choosing this material supports sustainability while delivering strong performance and helping reduce environmental impact.
- Good Formability: These bars can be bent, machined, or shaped without cracking. This makes fabrication easier, allowing precise adaptation to different industrial and construction needs.
- Smooth Surface Finish: The bars have a polished, even surface that reduces friction and improves aesthetics. Smooth finish also simplifies handling, installation, and regular cleaning.
Most Common Types of Stainless Steel 321 Round Bar
SS 321 Square Bar
SS 321 Bright Bar
SS 321 Hollow Bar
SS 321 Rectangle Bar
SS 321 Cold Rolled Bar
SS 321 Flat Bar
SS 321 Threaded Bar
SS 321 Half-Round Bar
Stainless Steel 321 Round Bar Specifications
| Property | Details |
|---|---|
| Standard | 321 / 1.4541 321H / 1.4941 |
| Designation | ASTM, ASME, AISI A 276 , SA 276, A 479, SA 479 |
| Range | 3 MM TO 350 MM DIA |
| Finish | Bright, Polish & Black |
| Form | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
| Application | Chemical Processing, Food Processing – equipment and storage, Petroleum Refining – fluid catalytic cracking units, polythionic acid service, Pharmaceutical Production, Waste Heat Recovery – recuperators |
We Offers Custom Sizes and fast delivery of Stainless Steel 321 Round Bar in Mumbai, Check Dimensions & Sizes of SS 321 Round Bar.
Chemical Composition Of 321 Stainless Steel Round Bar
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Ti |
| 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 | 5(C+N) – 0.70 max |
Mechanical Properties Of Stainless Steel 321 Round Bar
| Grade | Tensile Strength ksi (min.) | Yield Strength 0.2% Offset ksi (min.) | Elongation – % in 50 mm (min.) | Hardness (Brinell) MAX |
|---|---|---|---|---|
| SS 321 | 75 | 30 | 40 | 217 |
321 Stainless Steel Round Bar Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
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Stainless Steel 321 Round Bar Sizes
| US Bar | Metric | Japanese | Canadian/ASTM | ||||
|---|---|---|---|---|---|---|---|
| Diameter(Inch) | Stainless Steel 321 Bar Size | Diameter (millimeter) | Stainless Steel 321 Bar Size | Diameter (millimeter) | Stainless Steel 321 Bar Size | Diameter (millimeter2) | Stainless Steel 321 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 | ||||||
SS 321 Round Bar Weight Chart
| 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 |
SS 321 Round Bars Packing & Marking
Delivery and Packing
Stainless steel 321 round bars are usually packed in wooden boxes, pallets or bundled in order to avoid any possible harm during the transportation. Proper labeling assures easy identification.
We are able to deliver our products on time. This ensures that client expectations are met with timely and reliable delivery. Each package includes necessary documents. For instance test reports and certifications which ensure the quality of the product as well as compliance to the standard requirements.
Testing and Marking
To ensure the highest quality and best production our team carefully monitors the manufacturing process of 321 stainless steel round bars. We rigorously check the physical and mechanical properties as well as the chemical composition. Key tests include hardness, corrosion resistance, and comprehensive material testing. Every product is guaranteed by test certificates and detailed reports ensuring reliability and adherence to high industry standards. Proper marking with the grade, size and heat number provides easy identification and traceability, guaranteeing quality assurance at every step.
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