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Molybdenum is alloyed into ASTM A204 Grade B steel plates to improve their strength and high-temperature performance. Manganese (0.90–1.50%), silicon (0.13–0.45%), molybdenum (0.45–0.65%), carbon (0.15–0.25%), and trace amounts of phosphorus and sulphur make up the composition. These plates have good ductility and weldability, as well as a minimum tensile strength of 65 ksi (450 MPa) and a yield strength of 35 ksi (240 MPa). Long-term performance in demanding applications like boilers and heat exchangers is ensured by the material’s exceptional creep resistance, which makes it perfect for elevated temperature service.
Standard: ASTM A204/ ASME SA204
Steel Grade: Grade B
Thickness: 6mm to 150mm
Length: 3000mm to 15000mm
Width: 1500mm to 4050mm
Delivery state: Hot Rolled
Surface: Mill Varnish, Oiled,Galvanized, Bare
Application: steel boiler plates, high temperature pressure vessel plates
| Grade | Chemical Composition(%) | ||||
| P | Mn≥ | C | Si | S | |
| ASTM A204 Grade B(A204GRB) | 0.035 | 0.98 | 0.20 | 0.13-0.45 | 0.035 |
| Mechanical Property | A204 Grade B |
|---|---|
| [MPa] Tensile strength, kis | 70-90 [485-620] |
| min, % Elongation in 2 in. [50 mm] | 21 |
| [MPa] Yield strength, min, kis | 40 [275] |
| min, % Elongation in 8 in. [200 mm] | 17 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Kunj Sheets and Plates based in Chennai, India, 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.
ASTM A204 Grade B sheets and plates offer numerous advantages, including exceptional strength and high-temperature resistance, making them ideal for pressure vessels, boilers, and heavy-duty structural applications. Their low alloy composition provides improved resistance to corrosion and oxidation, enhancing durability. These materials also feature excellent weldability, facilitating ease of fabrication and assembly. With superior mechanical properties, including high tensile and yield strength, ASTM A204 Grade B ensures reliable performance under challenging conditions. Its versatility, combined with resistance to wear and stress, makes it a preferred choice for demanding industrial environments.
Yes, we offer custom sizes for ASTM A204 grade B Sheets and Plates to meet specific project needs. Our team at Kunj Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@kunjsheetsplates.com.
High-temperature and high-pressure settings make extensive use of ASTM A204 Grade B Sheets and Plates. Boilers, heat exchangers, pressure vessels, and reactors are frequently used in the petrochemical, power generation, and oil refining industries. The material is appropriate for steam pipelines and furnaces due to its exceptional resistance to oxidation and thermal stress. It is also used in heavy engineering and shipbuilding projects where durability and strength in the face of temperature changes are essential. The plates are a flexible option for engineers and manufacturers looking for dependable performance in intricate, high-heat installations because they are simple to weld and form.
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