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Lecong Stainless is a reputable manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality Stainless Steel 347/347H Sheets and Plates. These products are known for their outstanding high-temperature strength, resistance to corrosion, and overall durability. Stainless Steel 347/347H is a titanium-stabilized austenitic stainless steel, specifically engineered to prevent intergranular corrosion and maintain its mechanical integrity even when exposed to high temperatures for extended periods. Each sheet and plate is precision-crafted to meet international standards, making them perfect for use in power generation, chemical processing, and industrial equipment where reliable high-temperature performance is essential.
The composition of Stainless Steel 347/347H Sheets and Plates includes iron, chromium (17–19%), nickel (8–12%), titanium for stabilization, along with manganese, silicon, and a carefully regulated carbon content. The titanium stabilization helps to prevent carbide precipitation during welding, which boosts corrosion resistance and preserves mechanical strength at elevated temperatures. In terms of mechanical properties, these materials boast a tensile strength ranging from 515 to 750 MPa, a yield strength of 205 to 275 MPa, and impressive creep and oxidation resistance at temperatures reaching up to 700°C. The austenitic structure contributes to their toughness, dimensional stability, and long-lasting reliability in challenging thermal and chemical environments.
Stainless Steel Sheets and Plates Specification : ASTM A240 / ASME SA240
Dimension Standard : JIS, AISI, ASTM, GB, DIN, EN, etc
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Thickness : 0.3 mm to 120 mm
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
Surface Finishing : Hot rolled plate (HR), Cold rolled sheet (CR),2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc.
| C | Cr | Mn | Ni | P | S | Si | Cb/Ta | |
|---|---|---|---|---|---|---|---|---|
| 347 | 0.08 max | min: 17.0 max: 20.0 | 2.0 max | min: 9.0 max: 13.0 | 0.04 max | 0.30 max | 0.75 max | min:10x C max: 1.0 |
| 347H | min: 0.04 max: 0.10 | min: 17.0 max: 20.0 | 2.0 max | min: 9.0 max: 13.0 | 0.03 max | 0.30 max | 0.75 max | min:10x C max: 1.0 |
| Grade | Tensile Strength ksi (MPa) min | Yield Strength 0.2% ksi offset ksi (MPa) min | Elongation (% in 50mm) min | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 347/347H | 75 (515) | 30 (205) | 40 | 201 | 95 |
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Known for excellent corrosion resistance, these sheets are produced through hot rolling. They are available in thicknesses from 3mm to 50mm and widths up to 2000mm, providing durability in high-temperature environments and are used in heavy-duty applications
These plates are cold-rolled for a smooth finish and have superior corrosion resistance. They are available in thicknesses ranging from 0.5mm to 12mm and widths up to 1500mm, which is ideal for precision applications and structural components.
These plates offer excellent corrosion resistance, with a patterned surface for better traction and safety. They are available in various thicknesses, from 1.5mm to 6mm, and up to 1500mm in width, which makes them useful for flooring and industrial applications.
Offering high corrosion resistance, the sheets are perforated in a variety of hole patterns to achieve ventilation and aesthetics. Typical thicknesses vary between 0.5mm to 6mm, while the width may be up to 2000mm for filter applications and decorative panels.
The shim sheets have excellent corrosion resistance. Thickness can range from 0.1mm to 2mm, width up to 1000mm, and are precision cut for exact measurements. They are used where fine adjustments are necessary.
These plates feature outstanding corrosion resistance, and have a polished surface for enhanced appearance and cleanliness. They are available in widely used thicknesses that range from 3mm to 25mm and widths up to 2000mm. They find applications mainly in decorative and sanitary use.
Lecong Stainless will provide customers with an unmatched customer experience based on complete documentation about our superior Stainless Steel 347 and 347H sheets and plates. Essential documents including commercial invoices, packing lists, fumigation certificates, heat treatment charts, quality assurance plans, and NABL-approved lab test reports shall be provided from time to time by us in our products that ascertain the genuity and exceptional quality of products supplied to the valuable customers. Our Stainless Steel 347/347H sheets and plates also include a test certificate: MTC as per EN 10204/3.1b, PMI Test Certificates, 100% radiography test reports, and Third Party Inspection Certificates, in regard to our strict quality commitment toward our valued clients.
Stainless Steel 347/347H Sheets and Plates find extensive use in industries that demand high-temperature performance alongside corrosion resistance. They are frequently utilized in boilers, heat exchangers, pressure vessels, and components for furnaces. In the chemical and petrochemical sectors, they serve in process piping, reactor components, and storage tanks that handle high-temperature fluids. Their remarkable mechanical properties also make them ideal for aerospace, power generation, and marine applications. Furthermore, Stainless Steel 347/347H Sheets and Plates are used in food processing and pharmaceutical equipment, where both corrosion resistance and high-temperature stability are crucial.















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