Stainless Steel 309H Sheet and Plates

Hashmi Sheets and Plates is a trusted manufacturer and supplier of Stainless Steel 309H Sheets and Plates in Doha, Qatar, serving industries that require exceptional high-temperature strength and corrosion resistance. This high-carbon austenitic stainless steel is designed for prolonged exposure to elevated temperatures, providing excellent creep and oxidation resistance. Our Stainless Steel 309H Sheets and Plates are precisely fabricated to ensure uniform thickness, smooth surface finish, and dimensional accuracy. With timely delivery and technical support, Hashmi Sheets and Plates supports furnace manufacturing, chemical processing, power generation, and industrial high-temperature projects across Qatar.

SS 309H Chequered Plate

SS 309H Perforated Sheets

SS 309H Shim Sheet

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Stainless Steel 309H is an austenitic alloy containing chromium and nickel, with higher carbon content than 309 to enhance tensile and creep strength at elevated temperatures. Mechanically, it offers excellent tensile and yield strength, good toughness, and reliable dimensional stability under prolonged thermal exposure. The alloy maintains resistance to oxidation, scaling, and thermal fatigue, making it ideal for industrial applications requiring high-temperature performance and long-term durability.

Stainless Steel 309H Sheet and Plates Specification

Specifications	ASTM A240 / ASME SA240
Size	1/4″ to 4″
Range	5mm To 150mm
Thickness	4mm-100mm
Width	1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length	2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Surface	2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc
Finish	Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form	Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.

SS 309H Sheets and Plates Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Ni	Fe
SS 309	0.20	2	1	0.045	0.030	23	14	60
SS 309H	0.04-0.10	2.0	0.75	0.045	0.03	22.0-24.0	15.0	58.0-63.0

SS 309H Sheets and Plates Mechanical Properties

Grade	Tensile Strengtd ksi (min)	Yield Strength 0.2% ksi (min)	Elongation %	Hardness (Brinell) max
309/S	75	30	40	95
309/H	40	30	40	217

Equivalent Grades of A240 Stainless Steel 309H Sheets and Plates

STANDARD	WERKSTOFF NR.	UNS
SS 309H	1.4833	S30909

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We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Largest Stainless Steel 309H Sheet and Plates Manufacturer and Exporter in Doha, Qatar

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.

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Stainless steel 309H sheets and plates offer many advantages, including excellent resistance to high temperature oxidation and corrosion, making them ideal for harsh environments Due to the high carbon content they retain strength and staying power exist longer at high temperatures (up to 2000°F or 1093°C ). The material also boasts excellent resistance to heat fatigue, stress and cracking. Stainless steel 309H is highly weldable, ensuring ease of fabrication. It is also scratch resistant and can withstand acidic and basic environments. These properties make it suitable for industries such as aerospace, chemical processing and power generation.

Types of Stainless Steel 309H Sheet and Plates

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Are Custom Sizes Available for Stainless Steel 309H Sheet and Plates?

Yes, we offer custom sizes for Stainless Steel 309H Sheet and Plates to meet specific project needs. Our team at Hashmi Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.

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Application Industry of Stainless Steel 309H Sheet and Plates

Stainless Steel 309H Sheets and Plates are widely used in high-temperature and corrosive environments. Common applications include furnace components, heat exchangers, kiln linings, chemical processing equipment, and industrial boilers. They are also applied in power generation systems, petrochemical plants, and high-temperature industrial machinery. With excellent creep resistance, oxidation resistance, and mechanical stability, Stainless Steel 309H Sheets and Plates are a dependable choice for industries requiring durable, high-performance materials capable of withstanding prolonged exposure to elevated temperatures and harsh operating conditions.