seat ring

Outline Kind of the material : SUH 4 (Martensite command Stainless Steel) Application : high power diesel engine Function : Because is built to Cylinder Head, carry out that keep secret at valve's operating structure. Use heat resisting steel so that there is endurable in wear and impact at high temperature. Physical property Tensile strength(kg/mm2) : 90 and more Character : Rescue wearness conditio under high temperature and pressure Reference Gravity(g/cm3) : 7.6 Heat conductivity(w/mk) : 31.4 The coefficient of thermal expansion(20~200C) : 17.5 x 10-6 K-1 Matrix Matrix : Pearlite+Cementite, Ferrite+Cementite Cementite amount : 20% and less (homogenous distrbution) Cementite shape : homogenously distrbution globular cementie