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Ronsco - Model 90 -High Temperature Alloy
Alloy 90 is a wrought nickel-chromium-cobalt base alloy strengthened by additions of titanium and aluminum. It has been developed as an age-hardenable creep- resisting alloy for service at temperatures up to 920°C (1688°F). The alloy has high tensile strength and creep resistance, good oxidation resistance and corrosion resistance in 815~870°C, high fatigue strength and good formability and weldability under the action of repeated cold and heating.
Most popular related searches
- Alloy 90,UNS N07090, W.Nr. 2.4632, 2.4969, GH4090
- The alloy is used for turbine blades, discs, forgings, ring sections, fasteners, clamp, seal ring, elastic element and hot-working tools.
The main enhancement of the alloy is the γ′-Ni3(Al?Ti), which precipitates into different square particles in the grain, which is also visible in the grain boundary. The carbide is precipitated in a discontinuous strand in the grain boundary.
- Hot formed, solution annealed, descaled
- Cold worked and bright annealed
- Cold worked, annealed and descaled
- Cold worked, polished (MP, EP etc.)
- Cold worked, bright annealed, polished (MP, EP etc.)
- Chemical composition
- Tension
- Hardness
- Flaring
- Flange
- Flattening
- Micro structure
- Hydrostatic
- NDT
- Intergranular Corrosion
- Surface condition
- Shape and dimension
- Positive Material Identification
