Based in the industrious heart of Hamilton, New Zealand, Will Sheetsandplates stands as your reliable partner for quality stainless steel products. We are pleased to supply the highly resilient Stainless Steel 309H Angle, a specialized material crafted to meet the most demanding conditions. Our team understands that your projects require components you can trust, which is why we focus on providing this high-grade angle with both precision and a commitment to local service, ensuring you have the robust materials needed for long-lasting, critical applications.
The strength of the 309H grade lies in its thoughtful composition, notably its higher chromium and nickel content which is boosted further by a significant addition of silicon. This specific formula gives it outstanding resistance to oxidation, allowing it to maintain its integrity in environments where temperatures can soar. This means it possesses the mechanical fortitude to withstand intense heat without losing its structural strength, making it a go-to choice for projects where both high temperatures and corrosion are serious concerns.
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.
Will Sheets and Plates based in Hamilton, New Zealand, 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.
You’ll typically find the 309 Steel 309H Angle hard at work in the most challenging of settings. Its primary use is within high-temperature industrial equipment, such as the internal structures of industrial ovens, expansive heat-treating furnaces, and the critical components of power generation systems. It’s also indispensable in the construction of refinery piping and heat exchangers, where enduring relentless heat and corrosive atmospheres is a daily requirement. This angle is truly the backbone of infrastructure that operates under extreme thermal stress.
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