ASTM A106 Carbon Steel Seamless Pipe, API 5LB X42 to X80 Line Steel Pipe for energy exploration, gathering, and transmission. ASTM A53 Grade A & B, A500B and A252 Pipes for use in water wells, piling, mining slurry, agriculture irrigation, and residential and commercial construction. We can supply you variety of steel pipes. Welcome to visit our factory. If you have order in hand. It will be wise of you to give us a copy. We will give you surprise price and the quality is as good as Europ.