| Place of Origin |
China (Mainland) |
oil drillingstabilizers are made from AISI 4145H MOD premium chrome molybdenum alloy forging steel (except for non-magnetic style) according to API Spec.7.The physical properties are guaranteed one inch below the surface at normal temperature.Heat treated by quenching and tempering, finishing machined as the drawing dimensions.Strict UT inspection according to ASTM A-388 to guarantee high quality.