... 3183 Gr.L245, L290, L320, L360, L390, L415, L450, L485Atmospheric & Low Temp EFW PipesASTM A671 Gr. CC60/CC65/CC70High Pressure & Moderate ... Temp EFW PipesASTM A672 Gr. B60/B65/B70/C55/C60/C65/ ... retesting for Reduction of Area, and in the case of low temperature service, Charpy V-Notch testing as well. Certificates Of ...