standard thread
3.Using silicon dioxide, magnesia, aluminum hydroxide to react with sulfonic acids, color fixatives under standard proportioning, through curing and drawing into thread-like form, this product is made with mechanical twisting as per specific speed and number of strands after drying treatment, featruing a certain tensile strength.
8.RT Mach is a real time micro kernel, which is developed by CMU based on the standard Mach kernel. Its objective is to provide users with a common real time computing environment. Comparing with Mach, RT Mach includes some new facilities such as real time thread model, real time synchronization, real time scheduling, real time clock and timer, real time IPC, etc.
9.SA210A1 rifled thread steel tube of ∮60×7 mm produced by vallourec industry company in French are tested by us. The size、chemical compositions、mechanical properties and microstructure of SA210A1 rifled steel tube of ∮60×7 mm produced by vallourec industry company in French satisfied all the requirements of ASME standard.

