TW Metals - Nuclear Materials Solutions is an ASME certified source for all classes, forms and grades of fabrication material - plate, bar, forgings, tubing, fittings, consumables and fasteners including special chemistry products. Serving the domestic and international commercial markets, utility, research, DOE and DOD. QA programs in accordance with; 10CFR21,10CFR50 b, 10CFR71 h, 10CFR72 g, NQA-l, NCA 3800 and ASME Sect. III.