Methods of making corrosion resistant nickel-based alloys

A method of making a nickel-based alloy comprising from 38 to 60 weight percent Ni, from 19 to 25 weight percent Cr, from 15 to 35 weight percent Fe, from 0.1 to 10 weight percent Co, and from 3 to 7 weight percent Mo, the method comprising:

• homogenizing an ingot of the nickel-based alloy;
• working the homogenized ingot to form a slab or billet;
• further hot rolling to form a plate or bar or tubular product;
• annealing the product;
• and
• cooling the annealed product, wherein the nickel-based alloy possesses at least one of the following properties:
• a Charpy impact energy of at least 100 ft-lbs, measured using 5-millimeter specimens at −50° C. per ASTM E23-18;
• a critical pitting temperature of greater than 95° F., measured per ASTM G48 Method C;
• an intergranular corrosion rate of less than 0.25 mm/yr, measured per ASTM G28 Method A;
• a resistance to stress corrosion cracking of greater than 1,000 hrs, measured per ASTM G36;
• and
• further comprising subjecting the product to a post-cladding heat treatment or a welded heat affected zone.