Conventional Drill Pipes for Underground Coal Mine Drilling

This standard specifies the technical requirements, testing methods, and inspection rules for conventional drill rods used in underground drilling operations in coal mines. It covers material selection, dimensional tolerances, surface finish, and mechanical properties to ensure the performance and reliability of drill rods under operational conditions. The standard also outlines the procedures for sampling, testing, and acceptance criteria to maintain consistency and quality across manufacturing processes. Additionally, it provides guidelines for the proper use, maintenance, and storage of drill rods to enhance their service life and operational efficiency. The document serves as a reference for manufacturers, users, and regulatory bodies to ensure compliance with established quality benchmarks.