8/18/2014 Internal Advice Request; Classification of carbon steel butt-weld pipe fittings 8/25/2010 Application for Further Review of Protest No. 3901-09-100896; Classification of certain unfinished forged carbon butt welding steel pipe fittings. 5/17/2002 The tariff classification of steel butt weld fittings from Romania. 6/8/2021 Request to reconsider CBP ruling HQ H277699 (March 6, 2017); Classification of a Butt Welding Pivot Elbow
