Hashmi Sheets and Plates is a dependable manufacturer and supplier of Stainless Steel 309H Angle in Doha, Qatar, serving industries that require reliable performance in high-temperature environments. We focus on supplying stainless steel products that combine strength, durability, and consistent quality. Our Stainless Steel 309H Angles are provided in accordance with international standards, ensuring stability and long service life under heat exposure. With a customer-focused approach, technical support, and timely delivery, Hashmi Sheets and Plates supports industrial, construction, and engineering projects across Qatar.
Stainless Steel 309H Angle is a high-carbon version of grade 309, with elevated chromium (approximately 22–24%) and nickel (12–15%) content. This composition enhances strength, oxidation resistance, and creep performance at high temperatures. Mechanically, it offers good tensile and yield strength, excellent toughness, and reliable resistance to thermal fatigue. The alloy maintains structural integrity during prolonged exposure to elevated 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.
Hashmi Sheets and Plates based in Doha, Qatar, 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 Angle is commonly used in applications requiring strength and oxidation resistance at elevated temperatures. Typical uses include furnace components, heat exchangers, exhaust systems, and structural supports in petrochemical and power generation plants. It is also applied in industrial kilns, boilers, and thermal processing equipment. Its ability to retain strength and resist scaling under continuous heat makes Stainless Steel 309H Angle a dependable choice for long-term industrial and structural applications.
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