best outboard ship engine valve in china for N330,130,145,N18

  Product Description

Product name	engine valve
Raw material for valve spindle	Si-Cr(4Cr10Si2Mo),Ni-Cr-Mn-N(23-8N),Ni-Cr-W(SNCRW),NI(NI80A)
Harden process for valve seat"s surface	High frequency quenching,High alloy welding
Raw material for valve spindle	Si-Cr(4Cr10Si2Mo),Ni-Cr-Mn-N(23-8N),Ni-Cr-W(SNCRW),NI(NI80A)
Harden process for valve stem	Chrome-plating,Nitriding,Quenching/Spray welding
Tecnology	end welding piece stellite; "U" quenched valve; Hollow sodium-   filling valve; small end welding piece valve; stellited valve; cone surface  quenched valve; welded valve; tufftrided valve; hard chrome plated valve
Material	Normal material: INLET SUH1(40Cr) ; EXHAUST SUH3(4Cr9Si2)
	Best material: INLET SUH3(4Cr9Si2) ;  EXHAUST SUH35(21-4N).

        Company Information Shijiazhuang Hongfa Internal Combustion Engine Fittings Factory was estabished in 1990.We have 500 employees.  24 year’s Expert of engine valves, for motorcycle, automobile, truck, bus, train and ship, generators,  The largest engine valve factory in Northern China.     Processing procedure     FAQ 1.stem-diam: 4.5mm-40mm      head-diam: 20mm-150mm      full-length: 50mm-800mm 2. We accept custmerized. 3. ISO9001:2000 4.Intake valve: 4Cr9Si2   Exhaust valve: 21-4N, 21-4N+4Cr9Si2, also customized. 5.Warranty: 2 years or 160 000 kilometers 6.within 7 days if in stock within 25 days if no stock 7.Port: Any port in China.     Our Services In order to offer satisfied services for the consumer,we can produce engine valve according to OEM NO.,drawing,sample and custom manufacturing for the specifical enginevalve. We will try our best to give you the best service!   If you have any question, contact me !