... arc + LF/VD/VOD/ESR/Vacuum consumable electrode 6. Ultrasonic inspection: 100% ultrasonic inspection for any imperfections or based on the customer ... , HastelloyB2, HastelloyC-4, HastelloyC-22, HastelloyC-276 and HastelloyG302) High-Temperature Alloy: GH30, GH39, GH33 (A), GH37, GH44, GH128, GH132 (A ...