Marzouk Steel, located in Tunis, Tunisia, stands out as a top manufacturer and supplier of ASTM A204 Grade B Sheets and Plates. We pride ourselves on delivering high-quality steel products tailored for pressure vessels, boilers, and various industrial applications. Our sheets and plates are crafted to meet rigorous ASTM standards, ensuring they possess exceptional strength, toughness, and weldability, which guarantees reliable performance even under extreme temperature and pressure conditions. At Marzouk Steel, we focus on maintaining precise thickness, consistent quality, and outstanding mechanical properties, making our ASTM A204 Grade B Sheets and Plates the go-to choice for engineers, fabricators, and industries that demand durable, high-performance carbon-molybdenum steel materials.
ASTM A204 Grade B plates and sheets are molybdenum-alloy steel with chemical composition Carbon (0.20-0.25%), Manganese (0.90% max), Phosphorus (0.035% max), Sulfur (0.035% max), Silicon (0.10-0.35%), and Molybdenum (0.45-0.60%). Plates of these show excellent mechanical properties with tensile strength of 515-690 MPa, minimum yield strength of 310 MPa, and minimum elongation of 17%. The feature of high resistance to heat, strength, and corrosion makes them popular in application in pressure vessels, boilers, heat exchangers, and petrochemical industries for operations at high temperature.
Standard:Â ASTM A204/ ASME SA204
Steel Grade:Â Grade B
Thickness:Â 6mm to 150mm
Length:Â 3000mm to 15000mm
Width:Â 1500mm to 4050mm
Delivery state:Â Hot Rolled
Surface: Mill Varnish, Oiled,Galvanized, Bare
Application:Â 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.
These sheets and plates are made from carbon-molybdenum steel, carefully blended with controlled amounts of manganese, silicon, and other alloying elements. They boast a minimum yield strength of 245 MPa and a tensile strength ranging from 415 to 550 MPa. With excellent impact toughness at elevated temperatures and high resistance to creep and stress, they are perfect for heavy-duty pressure vessel fabrication.
Commonly used in the production of boilers, pressure vessels, heat exchangers, and storage tanks for high-temperature and high-pressure applications, our ASTM A204 Grade B Sheets and Plates offer superior mechanical properties, corrosion resistance, and weldability. They are an ideal choice for the petrochemical, power generation, and industrial process sectors, providing a reliable, long-lasting, and cost-effective solution for critical engineering applications where safety and performance are essential.
Marzouk Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Tunis, Tunisia.
Copyright 2025 Marzouk Steel. All rights reserved