div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · 2020 11 8 · Remove weld spatter and smooth weld seams and sharp edges The surfaces should be blast cleaned to Sa25 GBT 8923-1988 The weld seams areas could be cleaned src=https:reader031vdocumentssitereader031viewer2022013100610039880e5ce15d3461f6eahtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv