Marzouk Steel stands out as a leading manufacturer and supplier located in Tunis, Tunisia, focusing on top-notch carbon steel plates specifically designed for critical pressure vessel and sour service applications. They provide SA 516 GR.70N plates that meet NACE and HIC (Hydrogen-Induced Cracking) standards, ensuring they perform reliably even in highly corrosive and high-pressure settings. With cutting-edge processing facilities, advanced normalizing capabilities, rigorous quality control, and knowledgeable technical support, Marzouk Steel promises consistent material properties and dependable delivery. They cater to the oil and gas, petrochemical, refinery, and power industries, prioritizing safety, compliance, and long-term customer satisfaction for demanding industrial needs.
The SA 516 GR.70N NACE HIC plates are crafted from carbon steel with a carefully controlled chemical composition to prevent hydrogen-induced cracking and sulfide stress corrosion. This steel is formulated with optimal levels of carbon, manganese, silicon, and minimal impurities to fulfill NACE and HIC standards. On the mechanical side, the normalized plates offer impressive yield and tensile strength, outstanding notch toughness, and stable performance at low temperatures. These characteristics ensure excellent weldability, resistance to internal pressure, and reliable operation in sour and corrosive environments.
| Grade | ASME SA 516 GR.70N Boiler and Pressure Vessel Steel Plates |
|---|---|
| Width | 1000mm-4500mm |
| Thickness | 5mm-150mm |
| Length | 3000mm-18000mm |
| Supply Condition | As Rolled, Normalized Rolling, Furnace Normalizing, Vacuum Degassing, Simulated Post-Weld Heat Treatment or as per customer requirement. |
| Impact tested | 52° C |
| Tempering | Notch toughness can be improved by quenched cooling from hot rolling or normalizing by the supplier. If such a faster cooling rate is agreed upon between purchaser and supplier then the steel is also to be tempered at 1200 F. |
| Applications | Used for weld fabrication of pressure vessels that require improved notch toughness for lower than ambient temperature service. |
| Process of Manufacturing | Hot-Rolled (HR) |
| C | Si | Mn | P | S | Al | Cr | Cu | Ni | Mo | Nb | Ti | V |
| 0.18 | 0.4 | 0.95/1.50 | 0.015 | 0.008 | 0.02 (Min) | 0.3 | 0.3 | 0.3 | 0.08 | 0.01 | 0.03 | 0.02 |
| Tensile strength (ksi) | Yield strength (ksi) | Elongation min, % 200 mm (8 in) | Elongation min, % 50 mm (2 in) |
| 485-620 (70-90) | 260 (38) | 17 | 21 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| British Standard | European Norm | ASTM/ASME | DIN |
| BS1501-224-490A/B | EN10028 P355GH | A/SA516 – Grade 70 | – |
Marzouk Steel is a trusted manufacturer and supplier of high-quality SA 516 GR.70N NACE and HIC Plates in Tunis, Tunisia. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel and Galvanized Steel, with a strong focus on Carbon Steel Sheet and Plates. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings and Bars. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability and performance for critical industrial applications. Contact us today for all your SA 516 GR.70N NACE and HIC Plates needs!
SA 516 GR.70N NACE HIC plates find extensive use in the construction of pressure vessels and equipment intended for sour and corrosive service conditions. Common applications include separators, reactors, heat exchangers, storage vessels, and other pressure-retaining components in the oil and gas, petrochemical, and refinery sectors. This material is also utilized in process equipment that encounters hydrogen sulfide and high pressures. Its adherence to NACE and HIC standards ensures improved safety, durability, and a long service life in critical industrial and pressure vessel applications.
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.
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