High Quality Brq/Nrq/Hrq/Prq /Phd Wireline Drill Pipes Standard Nq Hq Yield Strength (MPa) 1030/1040 for Core Drilling Drill Rod

High Quality Brq/Nrq/Hrq/Prq /Phd Wireline Drill Pipes Standard Nq Hq Yield Strength (MPa) 1030/1040 for Core Drilling Drill Rod. High Strength Material: Manufactured from ZT950 heat-treated seamless steel tubes (30CrMnSiA or XJY850) for superior tensile and yield strength. Customizable Length: Available in standard 1.5m/3m or fully customized lengths to meet specific drilling requirements. Fast Delivery: Large stock available with delivery within 10 days for most orders. DCDMA Standard Compliance: Fully complies with DCDMA standards covering BQ, NQ, HQ, and PQ sizes for core drilling. High Operational Efficiency: Eliminates repeated lifting and disassembly, significantly improving efficiency in deep hole drilling. Excellent Core Integrity: Drill pipe remains in the hole to ensure high core recovery rates and undisturbed formation sampling. Strong Load Bearing: Designed to handle high-load conditions in hard rock and fractured formations up to 1800 meters depth. Low Maintenance Cost: Reinforced heat treatment and standard threads reduce wear and deformation, extending service life.