| Size Range | 3.17mm to 350mm |
|---|---|
| Length | 3 to 6 m |
| Standards | Astm, Din, Nf, Asme, Jis, En, Ios |
| Finished | Polished, Cold Drawn, Bright, Black, Centreless Ground, Polish |
Stainless Steel Round Bars Manufacturer | UNS S30400 S31600 Bar Grades ASTM A276
R H Alloys has a long reputation of being a reliable Stainless Steel Round Bars Manufacturer and providing high-quality products with a high degree of precision and uniformity in mechanical properties. The Stainless Steel Round Bars are solid and excellently corrosion-resistant cylindrical bars that offer outstanding strength and high machinability. They are common in construction, marine, automotive, and heavy engineering sectors where performance and durability are the critical factors. In plain words, Stainless Steel 430 Round Bar is highly used in applications where good corrosion resistance and formability are required, among some of the easily used ferritic grades.
Stainless Steel Round Bars come in different grades, including 304, 316, 410, 420, and other specialized alloys to suit international standards like ASTM A276 and ASTM A479. These bars come in hot-rolled, cold-drawn, and bright and polished finishes, which will depend on surface and dimensional requirements. OEMs, fabricators, and project contractors often source them in an effective b2b stainless steel supplier network. Stainless Steel 431 Round Bar is commonly used in applications that require greater strength and better corrosion resistance since it has better mechanical characteristics and toughness.
Material & Grades Table – Stainless Steel Round Bars
| Material | Grade / Standard | Diameter Range | Length | Finish Type | Approx. Tensile Strength (MPa) |
|---|---|---|---|---|---|
| Stainless Steel | ASTM A276 304 | 6 mm – 300 mm | 3m – 6m | Hot Rolled / Bright | ~515 MPa |
| Stainless Steel | ASTM A276 304L | 6 mm – 300 mm | 3m – 6m | Hot Rolled / Bright | ~485 MPa |
| Stainless Steel | ASTM A276 316 | 6 mm – 300 mm | 3m – 6m | Hot Rolled / Polished | ~515 MPa |
| Stainless Steel | ASTM A276 316L | 6 mm – 300 mm | 3m – 6m | Hot Rolled / Polished | ~485 MPa |
| Stainless Steel | ASTM A276 409 | 6 mm – 200 mm | 3m – 6m | Hot Rolled | ~380 MPa |
| Stainless Steel | ASTM A276 409M | 6 mm – 200 mm | 3m – 6m | Hot Rolled | ~450 MPa |
| Stainless Steel | ASTM A276 410 | 6 mm – 200 mm | 3m – 6m | Annealed / Hardened | ~770 MPa |
| Stainless Steel | ASTM A276 410S | 6 mm – 200 mm | 3m – 6m | Annealed | ~480 MPa |
| Stainless Steel | ASTM A276 420 | 6 mm – 200 mm | 3m – 6m | Hardened / Ground | ~700 MPa |
| Stainless Steel | ASTM A276 430 | 6 mm – 200 mm | 3m – 6m | Hot Rolled / Bright | ~450 MPa |
- Manufacturing of shafts, fasteners, and threaded components
- Construction frameworks and structural supports
- Marine and offshore equipment
- Oil & gas and petrochemical components
- Power plant and turbine parts
- Automotive and heavy engineering machinery
Type of Sub-products

Stainless Steel Bright Round Bar Stainless Steel Bright Round Bar
With a polished, smooth surface and close dimensional tolerance, Bright Round Bars are widely used in decorative applications, shafts, fasteners, and precision tools. They provide both functionality and an aesthetic appeal.

Stainless Steel Forged Round Bar Stainless Steel Forged Round Bar
Forged Round Bars are manufactured using forging techniques to enhance strength and toughness. These bars are highly durable, making them suitable for heavy machinery, oil & gas, and power generation industries.

Stainless Steel Black Round Bar Stainless Steel Black Round Bar
Black Round Bars have a rough surface finish as they are not polished after production. They are mainly used in construction, manufacturing, and industries where the finish is not a primary requirement but strength is critical.
