high tensile threaded rod

Metropolitana d'acciaio di precisione trafilata a freddo, materiale d'acciaio circolare geologico della metropolitana XJY850

Wire-line Drill Pipes Seamless Cold Drawn Geological Pipes XJY650 XJY750 XJY850​ 1. Product Name: XJY850 Seamless Steel Tubing wire-line drill rods 2. Size Range: OD: 45-114.3m, WT: 2-15mm, Length:3m,3.06m 5.8m/6m, maximal 11.8m 3. Stable Quality with Comeptitive Price 4. Protective Atmosphere Heat Treatment, Surface is clean and smooth, without oxide scale 5. Good Extending and Bending Ability, Longer Work Life Product Name Seamless Steel Tubing wire-line drill rods Material