Shopper requests “Normalized” butt weld fittings: This is also a misunderstanding considering that flanges can be found in A105 and A105 N, wherever N means normalized. However, there is not any these types of point as A234WPBN. Some manufactures normalize their butt weld fittings as a typical course of action http://jaidennzdhh.fireblogz.com/17937820/welded-fitting-fundamentals-explained