string stabilizer

We manufacture integral spiral blade stabilizer, integral straight-rib stabilizer, sleeve replaceable type stabilizer, float valve stabilizer, drilling reamer, unbalanced spiral blade stabilizer and variable-diameter stabilizer, all above products comply with API Spec. 7. Integral Blade Stabilizers are manufactured from 4145H alloy steel bar or forgings, quenched and tempered to 285-341 Brinnel hardness. Stabilizers are available in either near bit or string type. Connections are cold-rolled, phosphatized, coated and equipped with thread protectors. These are gauged to API standards.Rib surfaces are hardfaced with tungsten carbide plates or flush studded with tungsten carbide inserts.Sizes: 6 OD up to36 ODMechanical properties Tensile StrengthYield StrengthElongationCharpyHardness and 1" below surface758 Mpa689 Mpa≥18≥65J280-341 HB