Stainless Steel 309H Sheet and Plates

Hassan Sheets and Plates stands out as a top manufacturer and supplier of Stainless Steel 309H Sheets and Plates in Riyadh, Saudi Arabia. We specialize in providing high-quality solutions for industries that require exceptional high-temperature performance. Stainless Steel 309H, a high-carbon variant of SS 309, is engineered to offer improved strength, creep resistance, and stress rupture properties in high-temperature settings. With remarkable oxidation resistance up to 1100°C, this grade is built to last even under thermal cycling conditions. Our 309H sheets and plates are crafted to meet international quality standards and are commonly utilized in furnaces, heat treatment equipment, power plants, and the petrochemical sector for dependable, long-lasting performance.

SS 309H Chequered Plate

SS 309H Perforated Sheets

SS 309H Shim Sheet

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Stainless Steel 309H Sheets and Plates are made up of iron, chromium (22–24%), nickel (12–15%), and a higher carbon content (0.04–0.10%) compared to standard 309. This increased carbon content boosts creep strength and mechanical stability at elevated temperatures. This grade excels in oxidation and scaling resistance up to 1100°C while maintaining toughness across a broad temperature range. With excellent weldability, formability, and high tensile strength, SS 309H performs exceptionally well under thermal stress and prolonged heat exposure, making it an ideal choice for industrial, structural, and thermal processing applications.

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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If You Are Looking To Buy High Quality Piping Products ?

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 Riyadh, Saudi Arabia

Hassan Sheets and Plates based in Riyadh, Saudi Arabia, 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 are a go-to choice in industries that need to withstand heat, oxidation, and thermal fatigue. You’ll find them in power generation plants, where they’re used for boiler components, superheaters, and steam piping. The petrochemical and chemical sectors also make good use of them in heat exchangers, catalytic converters, and reactor vessels. When it comes to furnace and kiln construction, they serve as linings, radiant tubes, and combustion chambers. Plus, the aerospace, cryogenic, and metallurgical industries count on 309H for their high-temperature components. With its impressive strength, durability, and heat resistance, it delivers outstanding performance even in the toughest industrial settings.

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 Hassan 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 at high temperatures because of their excellent corrosion resistance. Typical applications include furnace components, heat exchangers and reactors in the chemical and petrochemical industries. It is also used in industrial equipment such as furnaces, gas turbines and incinerators, where high temperature stability is required. Other applications include welding equipment, pollution control equipment, high-temperature installations, such as boilers and exhaust systems Its high thermal corrosion resistance makes it ideal for power plants , aerospace and refinery industries.