ASTM B443/B443M (seamless pipe),
B444/B444M (welded pipe),
B564/B564M (forgings),
B626/B626M (plate, sheet, strip),
B670/B670M (welded tube).
Tensile Strength: ≥690 MPa (100 ksi)
Yield Strength (0.2% Offset): ≥310 MPa (45 ksi)
Elongation: ≥30%
Hardness: ≤293 HB
Elastic Modulus: ~205 GPa
4.What is the chemical composition of 2.4669 Nickel Base Superalloy Plate?
Nickel (Ni): ≥58.0% (base element)
Chromium (Cr): 20.0–23.0% (forms protective oxide layer)
Molybdenum (Mo): 8.0–10.0% (enhances resistance to pitting and crevice corrosion)
Niobium + Tantalum (Nb+Ta): 3.15–4.15% (strengthens the alloy via precipitation hardening)
Iron (Fe): ≤5.0%
Carbon (C): ≤0.10%
Silicon (Si): ≤0.50%
Manganese (Mn): ≤0.50%
Phosphorus (P): ≤0.015%
Sulfur (S): ≤0.015%
Aerospace: Combustion chambers, turbine blades, exhaust systems.
Marine: Seawater pipelines, offshore platforms, desalination plants.
Chemical Processing: Reactors, heat exchangers, and piping in corrosive environments (e.g., chloride-rich solutions).
Energy: Nuclear power plant components, oil/gas extraction equipment (e.g., sour gas wells).
Environmental: Waste incinerators and flue gas desulfurization systems.
