含BCo基粉粉末硬度化学成分粒度典型用途CCrSiWFeMoNiCoMnBCo15751-570.3221.55.03.0Max3.0Max余2.4150/300高温高压阀门Co15840-460.8291.55.53.0Max≦1.00≦3.00余≦1.000.8150/300高温高压阀门Co158V45-501301.283.0Max3余0.3Max0.8200/400摩托车气门CoWC3557-632.4122.6333.0Max9余1.9150/300摩托车气门CoSF640-460.6182.37.53.0Max1.0Max14余0.5Max1.7150/300镀锌线轴套、衬套CoSF1246-520.9182.893.0Max14余0.5Max1.8150/300高温高压阀门、阀座CoSF152-581.2192.8123.0Max12余0.5Max2.4150/300高温高压阀门、阀座CoSF2059-641.5193152.0Max13余0.5Max3.0150/300高温高压阀门、阀座CoSFT40055-600.1102.51.0Max225余0.5Max1.8100/270镀锌线轴套、衬套)