Complex supply fasteners for installation of capital projects for the production of sulfuric acid:
Studs ASME B16.5 (ASTM A193-B7, ASTM A193-B8 Cl.2, ASTM A453M Gr660 А/В, ASTM A193-B16)
Nuts ASME 18.2.2 (ASTM A194-2H, ASTM A194-8, ASTM A194-2H Galvanized, ASTM A194M-4)