Smith Fittings, located in Canberra, Australia, stands out as a top manufacturer and supplier of **Stainless Steel 309H Angles**. These angles are celebrated for their remarkable high-temperature strength, corrosion resistance, and overall durability. Crafted from high-chromium, high-nickel austenitic stainless steel with a boost in carbon content, they offer improved creep resistance and mechanical stability even in extreme heat. Smith Fittings is committed to precision manufacturing and rigorous quality control, ensuring that their 309H angles meet international standards. Perfect for industrial, chemical, and power generation applications, these angles promise long-lasting performance, structural integrity, and resistance to scaling and oxidation in tough operational environments.
**Stainless Steel 309H Angles** feature chromium (23–25%) and nickel (12–15%), along with a higher carbon content that enhances their high-temperature strength and creep resistance. They boast a tensile strength of around 620 MPa, a yield strength of 310 MPa, and an elongation of 35%. With a density of 8.0 g/cm³ and a melting range of 1400–1450°C, these angles deliver excellent toughness, weldability, and mechanical stability in elevated temperatures and corrosive settings.
Specifications : ASTM A276, ASTM A479 / ASME SA276, ASME SA479
Angle Size Range : 20 x 20 mm to 100 x 100 mm
Angles Thickness : 3 to 12 mm (depending on size)
Channel Size Range : Base: 80 to 150 mm; Side: 40 to 75 mm
Channel Thickness : 5 to 6 mm (depending on size)
Length : 3MTR, 4MTR, 5MTR, 6MTR, or Custom Cut Sizes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 309 | min. | – | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 20.0 | 10.5 | – | ||
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 309 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % | 92 | 201 |
| Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 309 | S30900 | – | – | 1.4828 | – | – | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Josh Sheets and Plates based in Canberra, Australia, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
The stainless steel 309H angle provides excellent high heat resistance, making it ideal for hot environments. The high chromium and nickel content provides outstanding oxidation and corrosion resistance, as well as durability under extreme conditions. High carbon content increases its creep strength, making it suitable for long-term exposure to high temperatures. It exhibits excellent weldability and formability, making it easy to manufacture for structural applications. Furthermore, its strong mechanical properties and resistance to heater fatigue make it reliable for industries such as power generation, chemical processing and manufacturing, ensuring longevity and it works well.
**Stainless Steel 309H Angles** are extensively utilized in industries that demand high-temperature performance and corrosion resistance. They are particularly suited for furnace components, heat exchangers, boilers, chimneys, and chemical processing equipment. Moreover, they find applications in power generation, petrochemical, and industrial frameworks where thermal stability, durability, and oxidation resistance are essential. Their outstanding performance in extreme heat and corrosive environments makes them ideal for structural, industrial, and high-performance engineering projects.
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