Nakamura Stainless is a well-respected manufacturer and supplier based in Pulau Ujong, Singapore, known for its high-quality stainless steel products, including Stainless Steel 309 Bars. The company prides itself on precision, durability, and keeping customers happy, serving a variety of industries that need dependable materials for their critical operations. Stainless Steel 309 Bars stand out for their impressive resistance to oxidation and corrosion at high temperatures, along with their remarkable tensile strength and toughness. Nakamura Stainless is committed to maintaining top-notch quality standards and ensuring timely deliveries, making their Stainless Steel 309 Bars a reliable choice for both local and international markets.
These bars are primarily made up of chromium (22–24%) and nickel (12–15%), with a low carbon content, along with small amounts of manganese, silicon, and phosphorus. This carefully balanced composition gives them outstanding high-temperature strength and excellent resistance to oxidation and scaling. In terms of mechanical properties, they boast a tensile strength of around 550 MPa, a yield strength of 240 MPa, and an elongation of about 40%, which means they offer a great mix of ductility and durability. Their stability at elevated temperatures makes Stainless Steel 309 Bars particularly ideal for heat-resistant applications that require long-lasting performance.
| Specifications | ASTM A276, ASTM A479 |
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| SS 309 Round Bars | Outside Diameter in the range of 4mm to 500mm |
| SS 309 Bright Bars | Outside Diameter in the range of 4mm to 100mm |
| SS 309 Hex Bars | 18mm – 57mm (11/16″ to 2-3/4″) |
| SS 309 Square Bars | 18mm – 47mm (11/16″ to 1-3/4″) |
| SS 309 Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm, Custom Size Stainless Steel Flats available |
| 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, Billet, Ingot, Forging Etc. |
Element | Content (%) |
Iron, Fe | 60 |
Chromium, Cr | 23 |
Nickel, Ni | 14 |
Manganese, Mn | 2 |
Silicon, Si | 1 |
Carbon, C | 0.20 |
Phosphorous, P | 0.045 |
Sulfur, S | 0.030 |
Properties | Metric | Imperial |
Tensile strength | 620 MPa | 89900 psi |
Yield strength (@ strain 0.200%) | 310 MPa | 45000 psi |
Izod impact | 120 – 165 J | 88.5 – 122 ft-lb |
Shear modulus (typical for steel) | 77 GPa | 11200 ksi |
Elastic modulus | 200 GPa | 29008 ksi |
Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
Elongation at break (in 50 mm) | 45% | 45% |
Hardness, Brinell | 147 | 147 |
Hardness, Rockwell B | 85 | 85 |
Hardness, Vickers (converted from Rockwell B hardness) | 169 | 169 |
Contact us to get a quick quote for your requirement.
We carries out rigorous performance tests on complete batches of Stainless Steel 309 Bars with regards to chemical composition, mechanical properties, and the degree of corrosion resistance. Our products are certified by recognized authorities regarding conformity to international standards for ensuring reliability and consistency with every delivery.
Stainless Steel 309 Round Bars offer excellent corrosion resistance and are available in diameters ranging from 6 mm to 200 mm. Ideal for high-temperature applications and structural uses, they ensure durability and strength.
Featuring good corrosion resistance, Stainless Steel 309 Flat Bars come in widths from 20 mm to 150 mm and thicknesses from 5 mm to 50 mm. These bars are used in construction, manufacturing, and industrial applications for their thermal stability.
Known for their corrosion resistance, Stainless Steel 309 Square Bars are available in sizes from 10 mm to 100 mm. They are utilized in various structural and industrial applications where strength and heat resistance are required.
Stainless Steel 309 Rectangular Bars provide corrosion resistance and are offered in dimensions like 20 mm x 10 mm to 150 mm x 50 mm. These bars are suitable for use in high-temperature environments and structural applications.
Offering corrosion resistance, Stainless Steel 309 Hexagonal Bars are available in sizes ranging from 6 mm to 50 mm across flats. They are often used in machining, fabrication, and for applications requiring heat resistance.
Stainless Steel 309 T-Bars are known for their high-temperature resistance and oxidation resistance. Available in sizes ranging from 15 mm x 15 mm x 6 mm to 100 mm x 100 mm x 12 mm, they are used in industrial applications such as heat exchangers and furnace components, providing durability and strength in extreme conditions.
You’ll find Stainless Steel 309 Bars used across various industries where high-temperature resistance and durability are crucial. They’re often found in furnace parts, kilns, heat exchangers, and boiler equipment thanks to their excellent oxidation resistance. The petrochemical and power generation sectors rely on them to handle extreme heat conditions, while the chemical processing industry appreciates their corrosion resistance. Their toughness also makes them a great fit for aerospace and marine applications. Plus, Stainless Steel 309 Bars are a go-to choice in structural and fabrication projects where reliability, heat resistance, and a long service life are essential.
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