Selling Parameters
1. Material(comply with European Standard EN10090: 1998 Valve Steels and Alloys for Internal Combustion Engines): Valve head Nimonic 80A(NiCr20TiAl) + friction welded stem1.4718(X45CrSi9-3)
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 for microstructure and dimensional stability.
5. Supersonic detection for welded seat, dye penetrant or magnetic particle inspection for entire valve.
Company Profile
Wespecialized in produce various engine valve from 1990. Our main products are as below: 1.Inlet & Exhaust Valve Spindle for Ship( CUMMINS,YANMAR,MANB&W,SKL,etc)2.Inlet & Enhasut Engine valve for Car,Truck (Komatsu, Toyota, GM, Kia,etc)3.Valve Seat & Valve Guid Customer's sample and drawings are welcomed. Looking forward your inquiry! Thanks & Best RegardsBestyShijiazhuang Hongfa Internal Combustion Engine Fittings Factory Tel: 86-311-80901358Fax:86-311-85242083Mob:86-15227839318Email:besty at hf-enginevalve.cnSkype:besty.feng