Seamless Steel Pipes 1.Surface:bright and black 2.Material:201,304,304L ... 3. we produce according to ISO9001-2000 1. Stainless steel seamless pipeSizeDiameter:1/2inch to 32inchThickness: sch5 to schxxsSurfacePolished, annealed, ... ,TP310S,TP321TypeSeamless and weldedEndPlain, beveled, with end cap2. Carbon seamless steel pipeSizeDiameter:1/2inch to 32inchThickness: sch5 to schxxsSurfaceGalvanized or ...