N - Alloy steel for intake valves, also used as stem material for nimetallic version
H - Valve steel for high-stressed intake velves, also used as stem material for bimetallic version
S - Austenitic steel for exaust valves, also used as head material for bimetallic version
V - Austenitic steel for exaust valves running at high temperatures
X - Valve steel for exaust valves, also used as head material for bimetallic version running at high temperatures and subjected to great corrosion
ALLOYS FOR VALVE SEAT COATING
SC - Cobalt-alloy welded seat
SN - Nickel-alloy welded seat
MATERIJALI ZA IZRADU VODJICA
L - Grey cast iron for normal-stressed guides with good wear resistance
LP - Grey cast iron with phosphorus content providing good wear resistance and good gliding features
LC - Grey cast iron with and additional chromium contents for highly turbo-charged engines
M 1 - Cu-Zn-Al alloy for middle-stressed guides with excellent wear resistance and good coefficient of friction
M 2 = Cu-Ni-Si alloy for guides subjected to the varying of the shock-stress strength
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