INCONEL alloy 718 is designated at UNS N07718, UNS N07719, and Werkstoff Nr. 2.4668. It is listed in NACE MR- 01-75 for oil and gas service.
Rod, Bar, Wire and Forging Stock: ASTM B 637, ASME SB 637, AMS 5662, AMS 5663, AMS 5664, AMS 5832, AMS 5914, AMS 5962, ASME Code Case 1993, ASME Code Case 2206, ASME Code Case 2222, AECMA PrEN 2404, AECMA PrEN 2405, AECMA PrEN 2952, AECMA PrEN 2961, AECMA PrEN 3219, AECMA PrEN 3666, ISO 9723, ISO 9724, ISO 9725, DIN 17752-17754.
Plate, Sheet and Strip: ASTM B 670, ASTM B 906, ASME SB 670, ASME SB 906, SAE AMS 5596, SAE AMS 5597, SAE AMS 5950, AECMA PrEN 2407, AECMA PrEN 2408, ISO 6208, DIN 17750
Pipe and Tube: SAE AMS 5589, SAE AMS 5590, ASME Code Case N-253, DIN 17751
Welding Product: INCONEL Filler Metal 718 – AWS 5.14 / ERNiFeCr-2
Others: ASME Code Case N-62, ASME Code Case N- 208, DIN 17744
Nickel (plus Cobalt) ……………………………………………….50.00-55.00
Chromium …………………………………………………………….17.00-21.00
Iron ………………………………………………………………………….Balance*
Niobium (plus Tantalum)…………………………………………….4.75-5.50
Molybdenum ……………………………………………………………2.80-3.30
Titanium…………………………………………………………………..0.65-1.15
Aluminum ………………………………………………………………..0.20-0.80
Cobalt …………………………………………………………………….1.00 max.
Carbon……………………………………………………………………0.08 max.
Manganese ……………………………………………………………..0.35 max.
Silicon …………………………………………………………………….0.35 max.
Phosphorus……………………………………………………………0.015 max.
Sulfur…………………………………………………………………….0.015 max.
Boron ……………………………………………………………………0.006 max.
Copper……………………………………………………………………0.30 max.