| Equivalent Grade | ● UNS: N06690 ● W.Nr.: 2.4642 ● Chinese Standard: GH3690 |
| Standard | ● Sheet/Plate: ASTM B168 ● Seamless Pipe: ASTM B167 ● Bar: ASTM B166 ● Complies with nuclear grade standards |
| Alloy Type | Nickel-Chromium-Iron Alloy (High Chromium Content, Intergranular Corrosion Resistant Type) |
| Standard | Sheet, Bar, Pipe, Tube, Fittings, Flange, Welding Products, etc. |
| Key Properties | ● High chromium content, excellent resistance to intergranular corrosion, pitting and crevice corrosion ● Good high-temperature oxidation and creep resistance, stable mechanical properties ● Excellent weldability, no heat treatment required after welding, suitable for nuclear grade scenarios |
| Applicable Environment | Nuclear reactor environment, high-temperature steam environment, alkaline media, chloride-containing corrosive environment, chemical strong corrosion scenarios, nuclear power high-temperature and high-pressure scenarios |
| Typical Applications | Nuclear Reactor Pressure Vessels, Steam Generator Heat Transfer Tubes, Nuclear Power Equipment Components, High-Temperature Heat Exchangers, Chemical Corrosion-Resistant Equipment, Nuclear Grade Pipes, etc. |