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Located in the heart of Hamilton, New Zealand, Will Sheetsandplates is a trusted manufacturer dedicated to providing robust solutions for demanding industrial environments. We specialize in the production and supply of NACE MR 01030175 certified HIC-resistant boiler sheets and plates. Our commitment lies in delivering materials that ensure exceptional durability and safety for critical applications, offering local industry a reliable source of high-integrity steel products backed by stringent quality assurance and deep technical expertise.
These specific boiler sheets and plates are engineered with a precise composition, often including carefully controlled levels of elements like copper and nickel, to grant them a remarkable resistance to Hydrogen Induced Cracking (HIC). This results in outstanding mechanical properties, including high strength and toughness, which are rigorously tested to meet the exacting standards of the NACE MR0103 specification. This certification is your assurance that the material can reliably withstand the challenging conditions found in wet hydrogen sulfide 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 |
| 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.
The primary use for these specialized plates is in the construction of pressure vessels, boilers, and critical piping systems that operate in environments prone to sour service, where exposure to wet hydrogen sulfide is a constant concern. They are essential in sectors like oil and gas refining, petrochemical processing, and power generation. By choosing this certified material, engineers and fabricators can significantly enhance the longevity and operational safety of their equipment, preventing catastrophic failures and ensuring long-term, reliable performance under strenuous conditions.
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