30CrMnSiA Grade Drilling Pipe – The Robust, Corrosion-Ready Workhorse for Challenging Wells Tough enough for hostile environments yet weldable when it matters most, 30CrMnSiA-grade ...Δείτε περισσότερα
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EN10305-1 Seamless Steel Casing Tube Oil Well Pipe 30CrMnSiA Steel Drill Rod with Low Residual Hoop Stresses