About Alloy
Hastelloy G-35 (UNS N06035 / W.Nr. 2.4643) is a high-performance nickel-based alloy known for its exceptional resistance to a wide range of corrosive environments, particularly in oxidizing and reducing conditions. This alloy offers superior resistance to both uniform and localized corrosion, making it well-suited for use in aggressive chemical processing environments and applications involving exposure to harsh chemicals.
The key elements in Hastelloy G-35, including nickel, molybdenum, chromium, and iron, contribute to its outstanding corrosion resistance properties. The high molybdenum and chromium content provides resistance to a wide range of corrosive substances, including oxidizing and reducing acids, as well as chloride-containing media. Additionally, the iron content enhances its resistance to corrosion in various environments.
Hastelloy G-35 is commonly used in applications involving sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, and other aggressive chemicals. It is also suitable for use in environments containing oxidizing salts and seawater. The alloy’s resistance to stress corrosion cracking, pitting, and crevice corrosion makes it a preferred material for critical components in various industries.
The alloy’s excellent fabricability allows for easy forming, welding, and machining, further enhancing its versatility in various industrial applications. Its reliability and resistance to corrosion make it a preferred choice for critical components in aggressive chemical environments, including reactors, heat exchangers, and piping systems.
In summary, Hastelloy G-35 is a highly versatile alloy known for its exceptional resistance to a wide range of corrosive environments, making it well-suited for applications in chemical processing, pollution control, pulp and paper production, and other industries where exposure to aggressive chemical conditions is a concern. Its versatility, reliability, and resistance to corrosion make it a valuable material for critical components in demanding industrial applications.
Product Form
Rod, Bar, Wire and Forgings: ASTM B462, ASTM B472, ASTM B564, ASTM B574, ASME SB462, ASME SB472, ASME SB564, ASME SB574
Plate, Sheet and Strip: ASTM B575, ASME SB575
Pipe and Tube: ASTM B619, ASTM B622, ASTM B626, ASME SB619, ASME SB622, ASME SB626
Welding Product: AWS A5.14 ERNiCrMo-22, ASME Ⅱ SFA-5.14 ERNiCrMo-22, ASME Ⅸ F-No.43
Forgings
Chemical Composition
| C | Si | Mn | P | S | Cr | Ni | Co | Mo | W | Al | Cu | V | Fe |
| ≤0.05 | ≤0.60 | ≤0.50 | ≤0.03 | ≤0.015 | 32.25-34.25 | Bal | ≤1.00 | 7.6-9.0 | ≤0.60 | ≤0.40 | ≤0.30 | ≤0.20 | ≤2.0 |
Property
| Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HB |
| 8.22 | 1332-1361 | 710 | 317 | 66 | – |
Application
Marine engineering
Furnace & gas turbines
Chemical processing involving phosphoric acid, sulfuric acid and nitric acid
Nuclear fuel reprocessing, nuclear waste processing
Pickling operations
Petrochemical
Fertilizer manufacture
Pesticide manufacture
Gold ore extraction
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