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Smith Fittings is a well-respected manufacturer and supplier located in Canberra, Australia, specializing in top-notch **NACE MR 0103/0175 HIC Boiler Sheets and Plates**. These plates are meticulously crafted to adhere to strict standards for resisting hydrogen-induced cracking (HIC) and sulfide stress corrosion. With a commitment to exceptional material integrity, precise manufacturing, and full compliance with NACE specifications, Smith Fittings delivers products that excel in tough environments. Renowned for their reliability and performance, these plates find extensive use in industries like petrochemical, oil and gas, and power generation, where durability and resistance to corrosive conditions are crucial.
The **NACE MR 0103/0175 HIC Boiler Sheets and Plates** are primarily made from carbon, manganese, phosphorus, sulfur, silicon, and a few trace alloying elements that boost corrosion resistance. They are specifically engineered for environments that contain hydrogen sulfide (H₂S). These plates offer remarkable resistance to hydrogen embrittlement, outstanding notch toughness, and impressive tensile strength. Their carefully controlled chemical composition ensures low carbon content, enhancing both weldability and structural integrity. Thanks to their optimized microstructure and mechanical strength, these plates excel in sour service and high-pressure boiler applications.
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.
You’ll find **NACE MR 0103/0175 HIC Boiler Sheets and Plates** widely utilized in **refineries, oil and gas pipelines, pressure vessels, boilers, offshore platforms, and chemical processing plants**. Their ability to resist hydrogen-induced cracking and sulfide stress corrosion makes them perfect for sour service environments. These plates guarantee long-lasting durability, safety, and performance even under extreme operating conditions. They are also favored for fabricating heat exchangers and storage tanks that handle corrosive fluids. The blend of high strength, toughness, and corrosion resistance ensures a reliable service life in demanding industrial applications.
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