Hastelloy G (UNS N06007 / W.Nr. 2.4618)
Hastelloy G (UNS N06007 / W.Nr. 2.4618) is a nickel-chromium-iron alloy with additions of molybdenum and copper which has good resistance to both oxidation and reduction.
Equivalent Grades
Trademark | GB | GOST | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
Hastelloy G | NS3402 | – | Hastelloy G | N06007 | Nicrofer 4520 hMo | 2.4618 | – | – | – | – |
Chemical Composition, %
Alloy | C | Si | Mn | P | S | Cr | Ni | Co | Mo | W | Nb | Cu | Fe |
Hastelloy G | ≤0.05 | ≤1.0 | 1.0-2.0 | ≤0.04 | ≤0.03 | 21.0-23.5 | Bal | ≤2.5 | 5.5-7.5 | ≤1.0 | 1.75-2.50 | ≤1.5 | 18.0-21.0 |
Typical Physical and Mechanical Properties (RT, Solution annealed)
Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HB |
8.91 | 1328-1358 | 760 | 363 | 64 | – |
Available Products and Specifications
Rod, Bar, Wire and Forgings | ASTM B581, ASME SB581, DIN 17752 |
Plate, Sheet and Strip | ASTM B582, ASME SB582, DIN 17750, ISO 6208 |
Pipe and Tube | ASTM B619, ASTM B622, ASTM B626, ASTM B751, ASTM B775, ASTM B829, ASME SB619, ASME SB622, ASME SB626, ASME SB751, ASME SB775, ASME SB829 |
Welding Product | ASTM B366, ASME SB366 |
Others | ASTM B581, ASME SB581, DIN 17752 |
Features
- Good corrosion resistance
- Well weldable and with good stability against grain border corrosion in welded condition
Applications
Hastelloy G finds its application in wet flue gas desulfurization process and manufacture of chemical process equipment.