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Nial Sheets and Plates is a reputable manufacturer and supplier of HIC Resistant Steel Sheets and Plates, proudly based in Houston, USA. We focus on providing top-notch steel solutions that are specifically designed for tough environments, especially where hydrogen-induced cracking (HIC) poses a risk. Our HIC Resistant Plates are crafted with meticulous attention to cleanliness and composition, ensuring they perform exceptionally well in sour service applications. With a strong dedication to quality, compliance, and customer satisfaction, Nial caters to major industries such as oil & gas, petrochemicals, and offshore construction, supplying reliable materials that adhere to strict safety and durability standards in corrosive conditions.
HIC Resistant Steel Sheets and Plates are uniquely engineered to withstand hydrogen-induced cracking in sour service settings. These steels generally feature low sulfur content and are devoid of internal laminations and inclusions. They are micro-alloyed with elements like carbon (up to 0.2%), manganese, and small amounts of chromium or molybdenum to boost their resistance to corrosion and cracking. Their mechanical properties include high yield strength (typically between 355–460 MPa) and tensile strength reaching up to 630 MPa, along with excellent toughness and elongation. Each plate undergoes rigorous testing for HIC resistance to confirm its suitability for environments exposed to hydrogen sulfide.
| Material | ASTM A516 |
| Grade | SA516 Gr 65, SA516 Gr 70 ,SA516 Gr 60 , Gr 60N |
| Size |
|
| Manufacturing Process | Hot-Rolled |
| Impact tested | -52° C |
| Technical requirements | high strength and high toughness requirements, Detection, Z15 – Z35 thickness direction performance requirements, etc |
| Condition of Supply | Heat Treatment Simulated Post-Weld , Furnace Normalizing, As Rolled, Normalized Rolling, Vacuum Degassing or as per need |
| Base Plate | hot dipped zinc coated and A-Z coated steel sheet, Cold rolled steel sheet |
| Carbon | ≤0.2 |
| Mn | 0.85–1.20 |
| Nickel | ≤0.4 |
| Si | 0.15–0.40 |
| S | ≤0.001 |
| P | ≤0.010 |
| Cr | ≤0.3 |
| Cev | ≤0.41 |
| Mo | ≤0.1 |
| Cu – Copper | ≤0.2 |
| ASTM/ASME | DIN | European Norm | British Standard |
| A/SA516 – Grade 60 | DIN 17155 HII | EN10028 P265GH | BS1501-161-430A |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
HIC (Hydrogen-Induced Cracking) resistant metal sheets and plates provide exceptional durability in harsh environments, especially in the oil, gas and petrochemical industries Weak hydrogen is resisted, ensuring system integrity under high-pressure corrosive conditions. Their superior mechanical strength and rigidity prolong machine life and reduce maintenance and downtime. HIC-resistant steel also increases safety by reducing the risk of failure in hydrogen-rich environments. They also offer excellent weldability and construction properties, allowing for a wide range of applications. These advantages make them a reliable choice for important industrial applications.
| Thickness | Width | Length |
| 0.187 | 48 | 96 |
| 0.187 | 48 | 120 |
| 0.187 | 48 | 144 |
| 0.187 | 60 | 96 |
| 0.187 | 60 | 120 |
| 0.187 | 72 | 96 |
| 0.187 | 96 | 120 |
| 0.187 | 96 | 144 |
| 0.187 | 96 | 240 |
| 0.187 | 96 | 288 |
HIC Resistant Steel Sheets and Plates find extensive use in industries where steel components face sour gas and hydrogen sulfide-rich conditions. Common applications include pressure vessels, heat exchangers, storage tanks, and piping systems in the oil & gas and petrochemical sectors. These plates are also utilized in refineries, offshore platforms, and chemical processing plants, where cracking and corrosion resistance is vital. Their enhanced durability and performance in harsh operating conditions make them perfect for prolonging service life and minimizing maintenance in sour service operations.
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Houston, TX 77041
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