YANMAR M200 ENGINE VALVES
M200
Professional Yanmar M200 engine valves factory since 1990
Quantity
Description
YANMAR M200 ENGINE VALVES
Material for valves:
40Cr,4Cr9Si2,4Cr10Si2Mo,21-4N,23-8N.
Si-Cr series high alloy valve steel:4Cr10Si2Mo
Ni-Cr-Mn-N series high alloy valve steel: 21-4N,23-8N,SNCrw, Nimonic 80A,Inconel 751
Ni-Cr-W series high alloy valve steel: （SNCrW)Nickel base heat resistant alloy steel:Nimonic 80A
Harden process for valve seat’s surfaceHigh Frequency quenchingSatellite WeldingRolling
Surface treatment:1.Chrome plating2.Nitriding
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