Alloy 20 forged fittings supplier » » offering premium ASTM B462 pipe fittings manufactured from nickel-iron-chromium alloy for superior strength and corrosion resistance. These fittings provide excellent protection against sulfuric acid, pitting, and stress corrosion cracking. Available in socket weld and threaded types like elbows, tees, couplings, and unions, they are widely used in chemical, food processing, water treatment, and power industries.