At Adinox Overseas, we take pride in offering top-grade Stainless Steel 347H Sheets that meet the demanding requirements of diverse industrial applications. Manufactured as per international standards including ASTM A240 and designated by the UNS S34709 specification, our SS 347H sheets are known for their superior high-temperature resistance and excellent mechanical properties. Designed for extended use in high-stress environments, these sheets are a preferred choice across industries such as petrochemical, power generation, food processing, and marine.

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Stainless Steel 347H Sheets are an austenitic stainless steel alloy, stabilized by the addition of columbium (niobium), which enhances their resistance to intergranular corrosion. The “H” in 347H indicates a higher carbon content, making it ideal for applications requiring enhanced creep resistance and higher tensile strength at elevated temperatures. The higher carbon also provides better structural integrity under extreme thermal cycles, making these sheets suitable for high-temperature service conditions where other grades might fail.

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Our Stainless Steel 347H Sheets are manufactured according to international quality standards, primarily following ASTM A240 specifications and are categorized under UNS S34700. These sheets are widely utilized in industries such as chemical processing, oil & gas, power generation, and heat exchangers, where resistance to high temperature oxidation and stress corrosion cracking is essential.

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We provide Stainless Steel 347H Sheets in various surface finishes such as No.1, 2B, BA, and mirror polish depending on customer requirements. These sheets are available in a variety of thicknesses and dimensions, which can be customized as per project specifications. Whether you are working on architectural components or high-temperature process equipment, our 347 stainless steel sheets ensure unmatched reliability and longevity.

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Specifications Of Stainless Steel 347H Sheets

Standard	ASTM A240 / ASME SA240
Thickness	0.1mm to 12 mm Thk
Sheet/Plate Size	1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm
Surface	2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sandblast, Brush, etching.
Finish	Hot rolled (HR), Cold rolled (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated), Galvanized etc.

Chemical Composition for Stainless Steel 347H Sheets

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 347H	0.08 max	2 max	0.75 max	0.045 max	0.030 max	18 – 20	-	8 – 11	-

Mechanical Properties Of Stainless Steel 347H Sheets

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1400 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi - 30000 , MPa – 205	35 %

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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