Nestled in the heart of Kinshasa, Sadiki Metals stands as a trusted partner for industry, specializing in the supply of high-performance materials like our Stainless Steel 309 Bars. We understand the demanding conditions faced by local projects, which is why we provide this exceptionally resilient grade, known for its ability to withstand intense heat and corrosion. Our commitment is to fuel the growth and durability of the Congolese industrial landscape with reliable, readily available stock that meets the toughest challenges head-on.
The strength of Stainless Steel 309 lies in its carefully balanced composition, rich with chromium and nickel, which gives it a remarkable resistance to oxidation. This is further enhanced by the addition of elements that stabilize its structure, allowing it to maintain impressive strength and toughness even when exposed to the high temperatures that would cause other steels to fail. This unique combination of elements makes it a truly durable and dependable material for the most demanding applications.
| 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 typically find Stainless Steel 309 Bars hard at work in environments where heat is a constant factor, such as within the intricate components of industrial furnaces, heat treatment equipment, and thermal processing systems. Its reliability also makes it a preferred choice for critical parts in the power generation and chemical processing sectors. Essentially, it’s the go-to material for situations that demand a bar that can not only resist corrosion but also stand firm against relentless thermal stress, ensuring long-lasting performance.
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