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Nizar Sheetsandplates, located in Amman, Jordan, is a trusted manufacturer and supplier of specialty steel plates designed for sour-service and critical pressure applications. They offer NACE MR 0103 / MR 0175 HIC Boiler Sheets and Plates, specifically engineered to resist hydrogen-induced cracking (HIC) and sulfide stress cracking (SSC) in challenging sour environments. With a focus on strict metallurgical control and thorough testing, these plates guarantee safety, durability, and adherence to NACE standards. Nizar Sheetsandplates prioritizes quality assurance, traceability, and precise dimensions for demanding boiler and pressure vessel applications.
These plates are crafted from low-carbon, fully killed steel, with careful control of sulfur, phosphorus, and inclusion shapes (often through calcium treatment) to boost HIC resistance. By employing clean steel practices and optimized rolling and heat treatment, they achieve a balanced yield and tensile strength while maintaining good toughness. The material shows outstanding resistance to hydrogen damage, dependable weldability, and consistent mechanical performance under pressure. Essential testing—like HIC, SSC, and impact tests—ensures they meet the requirements for sour-service conditions according to NACE standards.
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 |
| British Standard | European Norm | ASTM/ASME | DIN |
| BS1501-224-490A/B | EN10028 P355GH | A/SA516 – Grade 70 | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
NACE MR 0103/0175 HIC Boiler Sheets and Plates offer exceptional resistance to hydrogen-induced cracking (HIC), making them ideal for high-sulfur environments. They provide superior corrosion resistance, especially in acidic and sulfide-rich conditions, ensuring long-term durability and reliability. These materials also exhibit excellent mechanical properties, such as high tensile strength and toughness, making them suitable for demanding applications in oil and gas, chemical processing, and power generation industries. Their resistance to stress corrosion cracking ensures enhanced performance and longevity in harsh environments.
NACE MR 0103 / MR 0175 HIC boiler sheets and plates are extensively utilized in sour-service environments within the oil and gas, refining, and petrochemical sectors. Common applications include boilers, pressure vessels, separators, reactors, heat exchangers, and piping components that come into contact with hydrogen sulfide (H₂S). They are also employed in both upstream and downstream facilities where resistance to hydrogen damage is essential. Thanks to their proven HIC/SSC resistance and compliance with NACE standards, these plates are the go-to choice for safe, long-term use.
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