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In Delhi, India, Kunj Sheets and Plates is a reputable producer and supplier of HIC (Hydrogen Induced Cracking) resistant sheets and plates. Our HIC resistant steel plates offer superior defence against hydrogen-induced damage and are made for demanding applications in sour service environments. We work with sectors like refineries, oil and gas, and petrochemicals where maintaining material integrity in corrosive environments is essential. Our plates meet international standards like NACE MR0175 thanks to rigorous testing protocols and premium raw materials. For your critical infrastructure and pressure vessel applications, Kunj guarantees excellent durability, dependability, and safety.
Low-carbon steel with improved cleanliness and a particular chemistry to reduce impurities like phosphorus and sulphur is usually used to make HIC resistant sheets and plates. Because of the composition’s lower inclusion levels, hydrogen buildup is avoided. Depending on the grade, mechanical properties include a tensile strength of 450–600 MPa and a yield strength of 250–400 MPa. To increase the steel’s toughness and ductility, it is frequently normalised or thermomechanically rolled. It is safe to use in environments that are acidic or hydrogen-rich because HIC resistance is confirmed by specialised testing, guaranteeing suitability for sour service.
| 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 |
Particularly in the petrochemical, offshore, and oil and gas sectors, HIC-resistant sheets and plates are utilised in settings that are prone to hydrogen-induced cracking. These plates are perfect for pipelines that handle crude oil or sour gas, heat exchangers, storage tanks, and pressure vessels. They are also employed in gas processing facilities and refineries to stop hydrogen embrittlement-related failures. Under acidic and corrosive service conditions, HIC-resistant plates guarantee structural safety. Their use prolongs the life of equipment exposed to harsh chemical environments, lowers maintenance costs, and avoids unscheduled shutdowns.
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