Stainless Steel Round Bars Manufacturer
Precision Alloys is a leading manufacturer and supplier of stainless steel round bars in India, delivering precision-engineered bars that meet international standards such as ASTM, ASME, EN, and DIN. Available in a wide range of grades, finishes, and sizes, our round bars are Manufacturerd to serve high-performance needs across multiple industries, both domestic and global.
What are Stainless Steel Round Bars?
Stainless steel round bars are long, cylindrical, solid metal rods known for their strength, versatility, and excellent corrosion resistance. They are widely used in machinery, construction, oil & gas, marine, and automotive applications, offering reliable performance in both structural and high-precision engineering environments.
Stainless Steel Round Bars Specifications
| Property | Specification |
|---|---|
| Material Grades | SS 304, SS 316, SS 321, SS 410, SS 430 |
| Diameter Range | 5mm – 200mm |
| Length | Up to 6 meters (Custom sizes available) |
| Surface Finish | Bright, Black, Polished, Peeled, Ground, Rough Turned |
| Manufacturing Process | Hot Rolled, Cold Drawn, Centerless Ground |
| Tensile Strength | 515 MPa – 650 MPa |
| Hardness | 80 – 95 HRB |
| Standards & Compliance | ASTM A276, ASME SA479, EN 10088, DIN 1.4301 |
Types of Stainless Steel Round Bars
Stainless Steel Round Bars Equivalent Grades
Stainless Steel Round Bars Equivalent Grades
| Grade | UNS | EN / WNR |
|---|---|---|
| SS 304 | S30400 | 1.4301 / X5CrNi18-10 |
| SS 316 | S31600 | 1.4401 / X5CrNiMo17-12-2 |
| SS 321 | S32100 | 1.4541 / X6CrNiTi18-10 |
| SS 410 | S41000 | 1.4006 / X12Cr13 |
| SS 430 | S43000 | 1.4016 / X6Cr17 |
Stainless Steel Round Bars Chemical Composition
| Element | SS 304 (%) | SS 316 (%) | SS 321 (%) |
|---|---|---|---|
| Carbon (C) | 0.08 max | 0.08 max | 0.08 max |
| Manganese (Mn) | 2.00 max | 2.00 max | 2.00 max |
| Silicon (Si) | 1.00 max | 1.00 max | 1.00 max |
| Chromium (Cr) | 18.0 – 20.0 | 16.0 – 18.0 | 17.0 – 19.0 |
| Nickel (Ni) | 8.0 – 10.5 | 10.0 – 14.0 | 9.0 – 12.0 |
| Molybdenum (Mo) | – | 2.00 – 3.00 | – |
Mechanical Properties of Stainless Steel Round Bars
| Property | SS 304 | SS 316 | SS 321 |
|---|---|---|---|
| Tensile Strength (MPa) | 515 – 650 | 515 – 650 | 515 – 650 |
| Yield Strength (MPa) | 205 min | 205 min | 205 min |
| Elongation (%) | 40 min | 40 min | 40 min |
| Hardness (HRB) | 80 max | 80 max | 80 max |
Applications of Stainless Steel Round Bars
Our stainless steel round bars are extensively used across industries due to their mechanical strength and corrosion resistance:
Construction & Infrastructure
Automotive & Transportation
Marine & Offshore
Aerospace & Defence
Oil & Gas Industry
Manufacturing & Industrial Machinery
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