... ,Viet Nam,Malaysia. Seamless Pipes Avoid Anti-dumping Duty: The EU countries and North America countries should be ... will help you avoid the anti-dumping duty and importing pipe fittings and pipes without anti ... will help you avoid the anti-dumping duty and importing pipe fittings and pipes without anti ... : ASTM A106, A53, API 5L GR. B.2) Grade:B X42, X52, GR. B, ST37, ST44, ST52, S355JR3) Size: ...