Average particle size(um)is 10 Specific surface area(m 2 / g)is 30.2 Bulk density(g / cm 3) is 3.12 Polymorphs Qrthorhombic The main characteristics of Micro-chromium carbide micro chromium carbide powder prepared through a special process, the powder is orthorhombic, a = 2.821, b = 5.52, c = 11.46, relative density 6.68, melting point 1890 °C, boiling point 3800 ° C, thermal expansion ...