Piyush Steel is a trusted manufacturer and supplier of 310 stainless steel round bars, known for their exceptional resistance to high temperatures and oxidation. These bars are extensively utilized in sectors where exposure to high temperatures and corrosive conditions is frequent, including power plants, petrochemical processing, heat treatment, and furnace components. Stainless steel 310 bars, which have a high chromium and nickel content, provide exceptional mechanical strength and endurance in demanding applications.
Table Of Content
An austenitic stainless steel alloy constitutes the 310 stainless steel bar. It is mostly made up of chromium (Cr) (24–26%), nickel (19–22%), carbon (up to 0.25%), manganese (2%), and small amounts of silicon (Si), phosphorus (P), and sulfur (S). This unique combination provides excellent resistance to oxidation, scaling, and carburization at temperatures up to 1150°C. These properties make ASTM A276 AISI 310 stainless steel round bars ideal for use in boilers, kilns, heat exchangers, and exhaust systems.
We offer stainless steel 310 round bars in a wide range of diameters, from 5 mm to 500 mm, with standard and custom lengths available. Our product range includes round, square, hexagonal, and flat bars, catering to different industrial needs. To meet diverse application requirements, we provide multiple finish options such as hot-rolled, cold-drawn, bright-polished, and centerless ground. Our 310 stainless steel hex bars are widely used in structural and precision machining applications due to their excellent dimensional accuracy.
At Piyush Steel, we ensure that our stainless steel 310 bars meet stringent international quality standards, including ASTM A276, ASTM A479, ASME SA276, ASME SA479, DIN 1.4841, and EN 10088-3. Our products go through many quality checks, such as tensile strength, impact resistance, ultrasonic testing, and PMI (Positive Material Identification). This process makes sure that they work well in places with high temperatures and corrosion.
With extensive industry expertise, Piyush Steel is a leading supplier of 310 stainless steel bars, offering superior quality products at competitive prices. We ensure fast worldwide delivery and provide customized solutions to meet specific project needs. Whether you need stainless steel 310 hex bars, round bars, or square bars, we guarantee top-quality materials for long-lasting performance. Contact us today for the best industrial-grade stainless steel solutions!
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 310 | 1.4841 / 1.4307 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | - | X15CrNi25-20 |
Specification : ASTM A276, A479 / ASME SA276, SA479
Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Round Bars : Outside Diameter in the range of 4mm to 500mm
Bright Bars : Outside Diameter in the range of 4mm to 100mm
Hex Bars : 18mm – 57mm (11/16″ to 2-3/4″)
Square Bars : 18mm – 47mm (11/16″ to 1-3/4″)
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Length : 1 to 6 Meters, Custom Cut Lengths
Form : Round, Square, Hex (A/F), Rectangle Etc.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 310 | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24.00 - 26.00 | 0.10 max | 19.00 - 21.00 | 54.7 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
The full identification of the bars should be continuously marked down its whole length, including :

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Round, Square, Forged, Hollow Bar With Mill And Third Party Test Certificate.
Stainless Steel 310 Round Bar Price List
Request the latest Stainless Steel 310 Bars Price List. Please Call +91 22 23867540 or Send an Email to [email protected] for Stainless Steel UNS S31000, 1.4841 / 1.4307, SUS 310 Round Bar Ready stock information and updated price list.