XJY850 HQ88.9x77.8mm wireline rock drilling seamless pipe

XJY850 AQ BQ NQ HQ Seamless Steel tubes for wire-line drill rods 1. Product Name: Seamless Steel Tubing wire-line drill rods 2. Size Range: AQ,BQ,NQ,HQ,PQ 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 XJY750 XJY850 Delivery Condition HR, CW, SR, A, N,Quenching & Tempering Standard ASTM GB9808 Application Wire-line drill rods Certificate TS16949, ISO 9001 HS code 7304319000…

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