Tungsten Carbide Seal Ring Technical Requirements and Testing Rules

Tungsten carbide seal ring technology requirements for the following four areas:
1. blank carbide grade used and the physical and mechanical properties and meet the relevant standards of gold corresponding provisions of the standard;
2. Out rough edges off angle depth of not more than 0.33mm;
3. There shall be no rough surface peeling, bubbling, delamination, cracking, porosity, burnt, burnt due to defects;
4. Rough section organization should be uniform, not a black heart, bubbles, delamination, cracking, severe carburizing, decarbonization and not good pressure and other defects.