Unimix Metal Cooperation is a leading manufacturer, exporter, stockist, and supplier of Stainless Steel 309/309S Round Bars, offering excellent corrosion and pitting resistance in aggressive environments. Our SS 310/310S Round Bars are available in random and fixed sizes, with various surface-finish options.
Our SS 310 (UNS S31000) Square Bars feature a wide range of performance characteristics and specifications, supported by our expert sales team, who have extensive knowledge of stainless steel round bar applications.
The lower carbon content of Stainless Steel 310S Threaded Bars slightly reduces their high-temperature strength compared to Stainless Steel 310 Rods. We manufacture Stainless Steel 309/309S Flat Bars for diverse industries, including Food Processing, Chemical Industry, Brewing, Pharmaceuticals, Petrochemicals, and more.
Grade | SS 309/309S |
Specification | EN, DIN, JIS, ASTM, BS, ASME, AISI |
Standard | ASTM A276, ASME SA276 / ASTM A479 ASME SA479 |
Round Bars | Outside Diameter in the range of 4mm to 500mm |
Bright Bars | Outside Diameter in the range of 4mm to 100mm |
Square Bars | 18mm – 47mm (11/16″ to 1-3/4″) |
Hex Bars | 18mm – 57mm (11/16″ to 2-3/4″) |
Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm |
Length | 1 to 6 Meters, Custom Cut Lengths |
Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
Form | Round Bars, Square Bars, Flat Bars, Threaded Bars, Hollow Bars, Hexagonal Bars, Triangular Bars |
Application | Most commonly used in petroleum refineries, Boilers, Heat exchangers, Condensers, Pipelines, Cooling towers, Steam exhausts, Electric generation plants, On occasion will be found in fertilizer and chemical plants. |
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | – | X15CrNi25-20 |
SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | – | X8CrNi25-21 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
SS 310 | 0.015 max | 2 max | 0.15 max | 0.20 max | 0.015 max | 24-26 | 0.15 max | 19-21 | 54.7 min |
SS 310S | 0.08 max | 2 max | 1.0 max | 0.045 max | 0.030 max | 24 – 26 | 0.75 max | 19 – 21 | 53.095 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 % |
Stainless Steel 310 Round Bars | Steel 310 Flat Bars | SS 309/309S Square Bars | SS 310S Hollow Bars | WNR. 1.4845 Flat Bars |
UNS S31000 Hexagonal Bars | SS 310S Triangular Bars | SUS 310S Round Bars | ASTM A276 SS 310 Square Bars | ASME SA 479 SS 310S Hollow Bars |
Stainless Steel 310S Round Bars | Steel 310S Flat Bars | SS 310S Square Bars | SS 310S Hollow Bars | WNR. 1.4841 Flat Bars |
UNS S31008 Hexagonal Bars | SS 309/309S Triangular Bars | SUS 310S Round Bars | ASTM A276 SS 309/309S Square Bars | ASME SA 479 310/310S Hollow Bars |
Unimix Metal Corporate, under the leadership and mentoring of intellectual individuals, is currently one of the Manufacturer, Supplier, Stockiest, Importer and Exporter of Stainless Steel , Carbon Steel , Alloy Steel , High Nickel Alloys , Special Alloys , Aluminium Alloys , Copper Nickel , Titanium Alloys , Duplex & Super Duplex , Tantalum , Abrasion Resistant Steel, Hadfield Manganese Steel , Corten Steel , High Tensile , Quenched & Tempered Steel , Armour Steel , etc in Forms of Pipes , Tubes , Plates , Round Bars and Fittings.
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