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valve

CG150
Description： Motorcycle part-Valve:
1.40cr is used as inlet air valve material, featuring a stable performance, a good hardness, high temperature resistance, wear resistance and a good mechanical performance.  4criosizmo is used as exhuast valve material, featuring high temperature resistance, not shedding off, oxideresistance wear resistance, good anti-acid performance, excellent comprehensive performance and stable.  Hence, a normal operation of engine is assured.
2.The product is softly nitrogenation as a whole, with the depth of nitrogenation being above 0.05mm, surface hardness HM(200g)590and above, small head RF hardening, with a hardness being between HRC 50 temperature-58 temperature.
3.The air valve taper is processed with a special coreless cloamp so that its concentricity deviation and beats are controlled to be within 0.02mm, assuring no aire leak in assembling!   
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