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Tungsten carbide rings DATE：2013/7/5 15:45:54 HITS：1918 
Whole ring alloy type rating plate major chemical components%% density hardness bending strength linear expansion coefficient 10-6/k(room temperature~500℃) advisable medium WC CO NiCr g/cm3 HRA N/mm3 WC-CO合金 YG6 94 6 -- 14.6~15 895 1421 5 T<200℃ Oil, polluted water, weak acid and base grease, liquefied hydrocarbon and other medium containing particles etc WC-CO合金 YG8 92 8 -- 14.5~14.9 89 1470 5.1 WC-CO合金 YG15 85 15 -- 13.0~14.2 87 2058 5.2 WC-Ni合金 YWN8 92 -- 8 14.4~14.8 88 1470 5.3 strong base WC-Ni合金 W7 91 -- 9 14.6~14.8 90 1520 4.5 the others same as above TOP Back
