Grade: K30 Hardness: 88 Bending force: 3400 Extension Zhang: 1860 Compression strength: 4410 Shock level: 69 Purpose: more excellent corrosion resistance, toughness, new materials, fine grain and grade of fine grain binder content of such grades 6-30%, the grain size of 1-3um, suitable for hardness and shock resistance are required wear parts and cutting tools. Coarse grains, coarse grain and coarse grain grades such special grades 6-15% binder content and the grain size in the 3um or more, with a high impact strength and abrasion resistance, suitable for oil and gas and mining applications.