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First-stage turbine nozzle - 7FA.03
The proprietary allow which is similar to the cobalt alloy as OEM ensures repair weldability.The product features full gas-path NiCoCrAlY metallic bond with UDC-TBC system to promote better oxidation liffe and minimizes temperatures of airfoil metals.It guarantees improvement of airfoil to sidewall fillets to improve resistance to cracking and improvement of sidewall cooling to minimize oxidation metal loss.It also comes with a parallel chordal hinge seal to allow efficient sealing of vane ID and support ring.