Sucker Rod

Sucker rods are manufactured according to api 11b specifications. Currently, we market 3 types of api sucker rods grade d alloy and grade d special which are formulated from different alloys：aisi 4130 (grade d), aisi 4142 (grade d) and aisi 4720 (grade kd). Manufacturing process: 1. Rod bar the incoming rod bars are inspected for any damage, fault and discontinuities.before arranging the rod bars for production process, carry out chemical composition testing, dimensional inspection & surface quality inspection. High quality standard is maintained at various stage inspections.