It can achieve the desired hardness,strength and resistance to impact after special heat treament processing.The screw thread of the stabilizer is manufactured according to the regulation of API,and its wearable layer is made of chrome molybdenum alloy steel which is enchased carbonized-tungsten in histogram and other wearable material to achieve the aim of protecting the stabilizer.there is demagnetized alloy steel which is enchased on the non-magnet stabilizer.integral spiral stabilizer is executed the standard of API SPEC.7.