DIPTI METAL INDUSTRIES
Dipti Metal Industries – Your Premier Worldwide ASTM B619 UNS N06007 (Hastelloy G / Alloy G) Exporter, Global ASTM B619 UNS N06007 Supplier, ASTM B619 UNS N06007 Dealers, ASTM B619 UNS N06007 Distributors, and Stockists of ASTM B619 UNS N06007 High-Quality Welded Ni-Cr-Fe-Mo-Cu Alloy Pipes for Demanding Chemical Processing, Waste Treatment, and Pollution Control Applications requiring exceptional resistance to various oxidizing and reducing acids, and superior localized corrosion resistance.
Dipti Metal Industries proudly stands as a globally recognized and leading ASTM B619 UNS N06007 (Hastelloy G / Alloy G) manufacturer, worldwide ASTM B619 UNS N06007 exporter, global ASTM B619 UNS N06007 supplier, ASTM B619 UNS N06007 Dealers, ASTM B619 UNS N06007 Distributors, and ASTM B619 UNS N06007 Stockists of high-quality Welded UNS N06007 Ni-Cr-Fe-Mo-Cu Alloy Pipes. UNS N06007, commonly known as Hastelloy G or Alloy G, is a nickel-chromium-iron-molybdenum-copper alloy specifically engineered to deliver robust corrosion resistance in a broad range of aggressive chemical processing environments.
This premium nickel alloy material, specified under ASTM B619/B619M (Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Pipe), is recognized for its excellent performance in both oxidizing and reducing acids, particularly mixed acids and contaminated solutions. ASTM B619 UNS N06007 pipes are ideal for critical components in applications involving phosphoric acid, sulfuric acid, nitric acid, waste treatment, and pollution control systems, where superior resistance to localized corrosion (pitting and crevice corrosion) and stress-corrosion cracking is paramount. Our unwavering commitment to stringent quality control ensures that each ASTM B619 UNS N06007 pipe meets the precise chemical composition and enhanced mechanical property requirements of ASTM B619/B619M, providing robust and durable solutions for diverse and critical corrosive projects worldwide.
Dipti Metal Industries supplies ASTM B619 UNS N06007 (Hastelloy G / Alloy G) pipes manufactured through advanced welding processes to meet specific project needs and performance criteria for critical corrosive service:
Description: Produced from flat-rolled alloy by an automatic welding process without the addition of filler metal, and then furnished either as-welded and solution annealed, or welded, sized, and solution annealed. This class provides excellent structural integrity and uniform properties for demanding corrosive and high-pressure environments.
Features: Offers inherent strength and toughness, consistent wall thickness, and enhanced resistance to internal pressure and corrosive attack across a broad spectrum of chemicals. The precise control over the welding and annealing processes ensures high-quality and reliable performance in critical chemical applications.
Applications: Used in various sections of chemical reactors, heat exchangers, evaporators, and process piping in the chemical, pharmaceutical, and waste treatment industries where broad-spectrum corrosion resistance and structural integrity are paramount.
Description: Manufactured by forming an alloy steel strip into a cylindrical shape and then welding the edges longitudinally. Subsequent to welding and prior to final heat treatment, Class II pipes are cold worked either in both the weld and base metal or in the weld metal only, followed by solution annealing. This cold working step further refines the microstructure and enhances mechanical properties.
Features: Provides improved mechanical properties and a more refined grain structure due to the cold working process. This class offers enhanced performance for applications requiring superior strength and integrity, balancing performance with cost-effectiveness for a wide range of diameters and wall thicknesses.
Applications: General industrial piping in corrosive environments, pollution control systems, auxiliary lines in chemical plants, and various fluid conveyance systems where a good balance of cost, exceptional corrosion resistance, and structural integrity after welding and cold working is required.
Description: ASTM B619 UNS N06007 pipes are typically supplied in a solution annealed and descaled condition. Specialized surface finishes can be applied to meet specific functional requirements for critical corrosive service.
Features: While exceptional corrosion resistance is key, specific surface treatments can further enhance properties or meet application demands. Additional rigorous testing and inspections are paramount for ASTM B619 UNS N06007, including extensive non-destructive testing (ultrasonic, eddy current, radiography), detailed mechanical tests (tensile, impact, hardness), and microstructure analysis, to confirm its corrosion performance, metallurgical stability, and integrity for critical applications. Specific dimensional requirements and stringent quality control are applied at every stage.
Applications: Components requiring enhanced surface integrity for extended corrosive exposure, and systems demanding confirmation of material properties through comprehensive, highly specialized testing regimes for critical high-reliability applications in chemical processing, ensuring compliance with the strictest international industry standards for safety and performance.
Dipti Metal Industries ensures that all ASTM B619 UNS N06007 (Hastelloy G / Alloy G) welded Ni-Cr-Fe-Mo-Cu Alloy pipes strictly conform to the chemical composition and enhanced mechanical property requirements of the ASTM B619/B619M standard, providing robust performance in critical chemical processing and industrial applications globally.
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | remainder |
| Chromium (Cr) | 21.0 - 23.5 |
| Molybdenum (Mo) | 5.5 - 7.5 |
| Iron (Fe) | 18.0 - 21.0 |
| Vanadium (V) | 1.5 - 2.5 |
| Titanium (Ti) | 1.75 - 2.5 |
| Copper (Cu) | 0.70 - 1.50 |
| Carbon (C) | 0.05 max |
| Silicon (Si) | 1.0 max |
| Manganese (Mn) | 1.0 - 2.0 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.03 max |
Note: Detailed specifications, including other elements and specific analysis requirements, are available in the full ASTM B619/B619M standard. All material test certificates (MTCs) conform to EN 10204 3.1/3.2.
| Property | Value |
|---|---|
| Tensile Strength | 621 MPa (90 ksi) |
| Yield Strength (0.2% Offset) | 241 MPa (35 ksi) |
| Elongation in 2 in. (50 mm) | 35% |
Note: Mechanical properties for ASTM B619 UNS N06007 are optimized for superior corrosion resistance and good elevated temperature strength. For exact values, refer to ASTM B619/B619M.
Dipti Metal Industries supplies ASTM B619 UNS N06007 (Hastelloy G / Alloy G) welded Ni-Cr-Fe-Mo-Cu Alloy pipes in a full range of nominal pipe sizes (NPS) and schedules, ensuring compatibility with various standard piping and structural systems for critical corrosive applications. All products conform to precise dimensional tolerances as specified by ASTM B619/B619M and referenced standards.
For specific dimensional tables and detailed tolerance requirements, please refer to the latest editions of ASME B36.19M, ASME B36.10M, and ASTM B619/B619M standards.
Dipti Metal Industries' ASTM B619 UNS N06007 Welded Ni-Cr-Fe-Mo-Cu Alloy Pipes are widely trusted and utilized in a broad spectrum of critical industrial sectors and demanding corrosive applications, consistently providing reliable, exceptional broad-spectrum corrosion resistant, localized corrosion resistant, and high-strength fluid conveyance and ensuring paramount system integrity:
Dipti Metal Industries is a proud Worldwide Exporter and Global Supplier of ASTM B619 UNS N06007 (Hastelloy G / Alloy G) Nickel Alloy Pipes, with an extensive network of Dealers, Distributors, and Stockists. We ensure timely and compliant delivery to major industrial hubs across the globe.
Are you searching for dependable, high-performance ASTM B619 UNS N06007 Welded Ni-Cr-Fe-Mo-Cu Alloy Pipes for your critical chemical processing, waste treatment, or pollution control applications requiring exceptional resistance to various oxidizing and reducing acids and superior localized corrosion resistance? Contact Dipti Metal Industries, your expert global nickel alloy pipe supplier, manufacturer, and exporter, today to discuss your specific requirements or to request a personalized, custom quote. Our knowledgeable and responsive team is dedicated to providing you with the most effective, safest, and most reliable UNS N06007 piping solutions that guarantee long-term operational excellence, enhanced system integrity, and unparalleled project success in demanding corrosive environments.
Price guidance (non-binding): USD 70.00–70000 per pipe depending on size, schedule/wall thickness, manufacturing type (Class I/Class II), finish, quantity, and delivery terms. Final prices are quotation-based.
ASTM B619 UNS N06007 pipes, commonly known as Hastelloy G or Alloy G, are primarily used in chemical processing industries for applications requiring good resistance to both oxidizing and reducing acids, especially mixed acids and complex solutions. Key applications include equipment handling phosphoric acid, sulfuric acid, nitric acid, waste treatment, and pollution control systems where resistance to localized corrosion and stress-corrosion cracking is essential.
UNS N06007 (Hastelloy G) is a nickel-chromium-iron-molybdenum-copper alloy with controlled additions. This optimized composition provides outstanding resistance to a wide range of corrosive media, including highly oxidizing and moderately reducing acids, and especially strong phosphoric acid. Its high molybdenum and chromium content contribute to excellent resistance against localized corrosion like pitting and crevice attack, while also offering good stability at elevated temperatures.
Yes, ASTM B619 UNS N06007 (Hastelloy G) offers excellent weldability. It can be readily welded using conventional welding processes such as GTAW, GMAW, and SMAW. Using appropriate filler metals and following recommended welding procedures, including proper cleaning and avoiding excessive heat input, ensures that the weldments maintain the alloy's high level of corrosion resistance and mechanical properties. Post-weld heat treatment is generally not required for maintaining corrosion resistance, but may be used for stress relief.
UNS N06007 (Hastelloy G) offers an excellent balance of corrosion resistance in both oxidizing and reducing environments, often outperforming alloys like 316L stainless steel and some other nickel alloys in mixed acid and highly contaminated solutions, particularly in phosphoric acid applications. Its resistance to localized corrosion is superior due to its higher alloy content. While other alloys might excel in extremely specific conditions (e.g., C-276 in highly reducing chlorides or C-22 in strong oxidizing chlorides), G is a versatile choice for a broad spectrum of challenging chemical environments.
“Dipti Metal Industries has consistently supplied us with high-quality TP304 Stainless Steel Pipes and Tubes, meeting our stringent requirements for chemical processing applications. Their reliability and global export capabilities are excellent.”
— Syed Muhammed Ali, Buyer, CCED, Oman
Seaworthy export packing • Line-wise bagging & tagging • Full documentation & TPI.