Specifications ASTM A815 ASME SA815 Dimensions ASMEANSI B169 ASME B1628 MSSSP43 Size 18 NB TO 48 NB Seamless amp 100 XRay Welded Fabricated Type Seamless Welded Fabricated Bending Radius R1D 2D 3D 5D 6D 8D 10D or Custom Thickness Sch 5s Sch 10s Sch 40s Sch 80s Sch 160s Sch XXS