The Stainless Steel 309H Angle is a top-notch, high-temperature austenitic stainless steel product crafted by Nizar Sheetsandplates in Amman, Jordan. It boasts remarkable oxidation resistance and impressive mechanical strength. The “H” grade features a higher carbon content, which boosts its tensile strength and creep resistance when exposed to elevated temperatures. These SS 309H Angles are meticulously manufactured to guarantee precise dimensions, smooth surfaces, and strong structural integrity. Various industries in Jordan depend on these angles for use in furnaces, heat exchangers, boilers, and industrial frameworks, where high-temperature performance, corrosion resistance, and long-lasting durability are essential for reliable structures and mechanics.
When it comes to composition and mechanical properties, the Stainless Steel 309H Angle is made up of 23–25% chromium and 12–15% nickel, along with a higher carbon content (0.08–0.15%) compared to standard 309, which enhances its strength and creep resistance at high temperatures. Its austenitic structure ensures excellent ductility, toughness, and stability under thermal stress. SS 309H stands out with its superior tensile strength and resistance to oxidation and scaling, even at elevated temperatures. Plus, it maintains good weldability and formability, making it versatile despite its high-temperature capabilities. This combination of corrosion resistance, mechanical strength, and stability at high temperatures makes it perfect for structural, industrial, and heat-intensive applications.
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.
Nizar Sheets and Plates based in Amman, Jordan, 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 find their place in various industries that demand high-temperature resistance, mechanical strength, and corrosion protection. They are particularly suited for furnace frameworks, heat exchanger supports, boiler structures, kiln components, and high-temperature piping systems. In sectors like petrochemical, power generation, and metallurgy, SS 309H Angles are essential where creep resistance and thermal fatigue resistance are vital. They are also utilized in industrial ovens, incinerators, and other high-heat applications, showcasing their versatility and reliability.
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