Mei Shen STEEL
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304 stainless steel is an austenitic stainless steel alloy that is widely used in various applications due to its excellent corrosion resistance, good mechanical properties and high temperature resistance. 304 stainless steel round bar is a common product made from this alloy. Stainless steel round bar (rough round) can be applied to: metal products, rail transportation, nuclear power, machinery manufacturing, chemical equipment, pressure vessels.
| Type | SIZES in milimeter | SIZES in inches | Tolerance |
| Peeled and Polished | 40.00-150.00 | 1.50-6.00 | h11,h11-DIN 1013 |
| Cold Drawn and Polish | 3.00 to 75.00 | 1/8 to 3.00 | h8 to h11 |
| Cold Drawn and Ground | 10.00 to 75.00 | 5/6 to 2.50 | h8 to h11 |
| Peeled and Ground | 20.00-50.00 | 3/4-2.00 | h9 to h11 |
| ASTM Grade | Carbon | Manganese | Silicon | Sulfur | Phospherous | Chromium | Nickel | Molybdenum |
| 304 | 0.08max | 2.00 max | 0.75max | 0.030max | 0.045 max | 18.0-20.0 | 8.0-11.0 | - |
| 316 | 0.08max | 2.00 max | 0.75max | 0.030max | 0.045 max | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| 317L | 0.035max | 2.00 max | 0.75max | 0.030max | 0.045 max | 18.0-20.0 | 11.0-14.0 | 3.0-4.0 |
| 310S | 0.08max | 2.00 max | 0.75max | 0.030max | 0.045 max | 24.0-26.0 | 19.0-22.0 | 3.0-4.0 |
| 347H | 0.04-0.10 | 2.00 max | 0.75max | 0.030max | 0.045 max | 17.0-19.0 | 9.0-13.0 | - |
| 321 | 0.08max | 2.00 max | 0.75max | 0.030max | 0.045 max | 17.0-20.0 | 9.0-12.0 | - |
Frequently Asked Questions
304 stainless steel round bars offer a perfect balance of corrosion resistance, ease of fabrication, and cost-effectiveness. They are highly resistant to oxidation and suitable for both indoor and outdoor industrial applications.
Yes, 304 stainless steel can withstand temperatures up to 870°C (1600°F) for intermittent service and 925°C for continuous service without significant scaling or loss of mechanical properties.
Absolutely. 304 stainless steel is known for its excellent welding characteristics. It can be welded using all standard fusion methods, both with and without filler metals.
Peeled bars have a smooth surface but slightly wider tolerances, while ground bars (like the cold drawn and ground type) offer extremely high dimensional accuracy with tolerances as tight as 0.01mm, making them ideal for precision machinery.
Yes, it is often referred to as "food-grade" stainless steel. Its non-reactive nature and ease of cleaning make it ideal for food processing equipment, brewing, and dairy industries.
They are widely used in chemical processing, aerospace, pharmaceutical equipment, marine hardware, and structural components for the construction and automotive industries.
