Seamless Austenitic Stainless Steel Pipe Specifications 1.Material TP304, and other material as per customer' s requirements . 2.Standard ASTM A312 A269 A511 3.OD 6mm-630mm. 4.Wall thickness 0.5mm-50mm. 5.Length 1.5m-18m.special or random 6.Surface Annealed& pickled, polished . 7.Quality test Eddying test, ultrasonic test, intergranular corrosion, hydrostatic test, hardness test , impact test, flaring test, flattening test . 8.Application Chemical industry, metallurgy, water conservancy, papermaking and so on. 9.Attention we will supply you with good quality , bottom price and best service in China as a hope to be your perennially supplier.