Process: ERW and Seamless
Standard: API 5CT
Surface: Corrosion proofing water based paint
Tubing Ends:Beveled, Square Cut, With NUE/EUE/IJ/PREMIUM Connection
Casing Ends: Beveled, Square Cut, With LTC/STC/BTC/PREMIUM Connection
Packing: Protection Caps in Both Ends, Waterproof Paper Wrapped, Two Tags
Heat treatment: Normalized, Quencher+Temper