Home » Tender for The Tender Involves The Supply Of Seamless Steel Pipes With An Outer Diameter Ranging From 33.3 To 34.2 Mm, A Nominal Bore Of 25 Mm, And A Wall Thickness Of 4 Mm, With A Length Of 6 Meters. The Pipes Must Conform To Is 1239 Part-1 (2004) Standards. Seamle, India