Saif Sheets and Plates, located in Muscat, Oman, stands out as a top-notch manufacturer and supplier of high-quality Stainless Steel 309H Angles. They specialize in providing precision-engineered solutions for industries that demand outstanding heat and corrosion resistance. Known for adhering to international quality standards, the company offers Stainless Steel 309H Angles that boast superior dimensional accuracy, durability, and long-lasting performance. These angles are built to endure extreme temperatures and harsh environments, making them ideal for sectors like industrial, chemical, petrochemical, and power generation. Saif Sheets and Plates’ dedication to quality, prompt delivery, and technical support has earned them a reputation as a reliable supplier across Oman and beyond.
The composition of Stainless Steel 309H Angles primarily includes iron, along with 23–25% chromium, 12–15% nickel, and a carefully controlled carbon content that boosts high-temperature strength. Mechanically, they showcase impressive tensile strength, toughness, and creep resistance even at elevated temperatures. This alloy maintains dimensional stability, oxidation resistance, and good ductility, ensuring dependable performance under thermal stress. Additionally, Stainless Steel 309H Angles are known for their excellent weldability and fatigue resistance, making them perfect for structural and industrial applications where long-term mechanical integrity and corrosion resistance are essential.
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.
Saif Sheets and Plates based in Muscat, OMAN, 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 angles find extensive use in industries that face high temperatures and corrosive conditions. They’re commonly found in furnace components, kiln linings, heat exchangers, and industrial ovens. In the petrochemical and chemical sectors, they play a crucial role in processing equipment, piping supports, and pressure vessels. The power generation industry utilizes them in boilers, turbines, and other high-temperature machinery. Moreover, they are also used in marine and offshore structures that require durability in tough conditions. Their blend of high-temperature strength, corrosion resistance, and long-term reliability makes them a go-to choice for many applications.
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