... natural gas industries Steel pipes for use as casing or tubing for wellsNF M87-207 Petroleum and natural gas industries ... .36mtr or longer)Connection Casing LTC, STC, BTC, VAM. Tubing NUE, EUEEnd Beveled, Square cut. And pipe protection cap specially ... for casing and tubing.Surface Corrosion proofing water based paintHeat treatment: Normalized, Quencher & ...