Wiraphan Sheets and Plates, a reputable manufacturer and supplier based in Bangkok, Thailand, specializes in providing top-notch Stainless Steel 309H Angles tailored for industrial and engineering needs. Renowned for their precision, durability, and adherence to international standards, the company guarantees that each product performs reliably even in the toughest conditions. Stainless Steel 309H Angles are particularly prized for their outstanding resistance to oxidation, scaling, and high-temperature corrosion. By utilizing cutting-edge manufacturing technology and a team of skilled professionals, Wiraphan delivers robust and trustworthy solutions for various sectors, including chemical processing, power generation, aerospace, and construction.
Stainless Steel 309H Angle is an austenitic stainless steel primarily made up of iron, chromium (22–24%), and nickel (12–15%), with a carbon content that exceeds that of standard 309 (0.12–0.25%) to boost high-temperature strength. Its mechanical properties showcase high tensile and yield strength, remarkable ductility, and exceptional resistance to oxidation and scaling at elevated temperatures. The increased carbon content enhances creep resistance, making it ideal for components that face extreme heat.
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.
Wiraphan Sheets and Plates based in Bangkok, Thailand, 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.
These Stainless Steel 309H Angles find extensive use in applications demanding high-temperature performance and corrosion resistance. They are commonly found in furnace components, heat exchanger supports, boiler structures, chimney linings, and other high-temperature structural applications. Additionally, they are utilized in petrochemical plants, power generation equipment, and aerospace components where stability under thermal stress is essential. The blend of strength, high-temperature durability, and corrosion resistance makes Stainless Steel 309H Angles a top choice for challenging industrial and engineering applications.
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