MTU V652 Inlet Valve is made in top quality material for reliable running in the high speed engine.
1. Material:
Standard : X33CrNiMnN23-8(DIN1.4866, 23-8N) + Stellite seat +stem chrome plated
Alternative: X40CrSiMo10-2(DIN1.4731) + Stellite seat +stem chrome plated
(comply with European Standard EN10090: 1998 Valve Steels and Alloys for Internal Combustion Engines)
2. Upset forging and die pressing for grain flow along head profile.
3. Close controlled heat treatment for achieving proper mechanical properties and metallurgical structure.
4. Stress released completely.
5. Supersonic detection for welded point at stem, dye penetrant or magnetic particle inspection for entire valve.
6. Proven Reliability by European customers.