上海快三秒和哪个:Properties and Application of B4C and SiC

上海快三推荐三同号推荐 www.ynlxb.com b4c (16407 bytes)

Materials B4C SiC
Density g/cm3 ≥2.45 ≥3.06
Microhardness kgf/mm2 ≥2500 ≥2300
Bending Strength MPa ≥400 ≥350
Melting point o C 2450 2600(solution)
Operating environment high temperature grinding high pressure strong acid strong base high temperature grinding high pressure strong acid strong base pulp waste liquid high temperature oxidation high temperature gas
Applications sparging machinery sealing drawing casting armor nuclear industry sparging machinery sealing armor nuclear industry valve strip inner layer casting pipe mould board pump components