Stainless Steel 309H Sheet and Plates

Nial Sheets and Plates stands out as a top-notch manufacturer and supplier of Stainless Steel 309H Sheets and Plates, right out of Houston, USA. These sheets and plates are celebrated for their impressive high-temperature strength and resistance to oxidation, making them perfect for those heat-heavy industrial applications. SS 309H is essentially a high carbon variant of 309, which means it boasts better creep resistance and structural integrity when faced with thermal stress. Nial is committed to delivering precisely crafted, corrosion-resistant products that are customized to meet the unique needs of clients across various sectors, including petrochemical, refinery, thermal processing, and power generation, ensuring reliable performance and a long lifespan.

SS 309H Chequered Plate

SS 309H Perforated Sheets

SS 309H Shim Sheet

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When it comes to composition, Stainless Steel 309H Sheets and Plates are primarily made up of Chromium (22–24%) and Nickel (12–15%), with Carbon levels ranging from 0.04% to 0.10%, which boosts their high-temperature strength. They also contain Manganese (≤2%), Silicon (≤1%), and Iron as the base element. This alloy showcases excellent tensile strength of around 550 MPa, a yield strength of about 205 MPa, and an elongation of 40%. It remains mechanically stable and resists scaling up to 1000°C, making it a fantastic choice for structural applications in high-temperature settings.

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 Houston, USA

Nial Sheets and Plates based in Houston, USA, 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 Nial 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

Nial’s Stainless Steel 309H Sheets and Plates are commonly found in high-temperature and corrosive environments. They’re used in everything from heat exchangers and furnace parts to boiler baffles, kilns, and refinery equipment. In the chemical and petrochemical sectors, these materials are favored for their ability to retain strength and resist oxidation even in extreme heat. Plus, SS 309H is a go-to option for thermal processing systems, combustion chambers, and incinerators where structural reliability at high temperatures is a must, making it an outstanding material for tough industrial applications.