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the name of a group of corrosion-resistant nickel alloys, namely the Ni—Mo and the Ni—Cr—Mo alloys. Depending on the desired combination of properties, Hastelloys contain varying amounts of Mo (up to 30 percent), Cr (up to 23 percent), Fe (up to 29 percent), and C (up to 0.15 percent). Some are alloyed with W (about 5 percent), Si (up to 10 percent), Co (up to 2.5 percent), or Cu, V, Ta, Nb, and other elements.

Hastelloys are characterized by high resistance to hydrochloric, sulfuric, phosphoric, acetic, and formic acids, to media containing ions of chlorine and fluorine, and to many organic media. Produced in the form of sheets, rods, wires, and castings, they are used mainly in the manufacture of chemical apparatus; some are used as heat-resistant materials. The brands N70M28F and Khl5N65M16V, among others, are produced in the USSR.


Babakov, A. A., and M. V. Pridantsev. Korrozionnostoikie stali i splavy. Moscow, 1971.
References in periodicals archive ?
Depending on the polymer flow environment, the firm offers the following base materials: 4340 HT carbon steel, hardened alloy-welded flights; nitralloy 135m; CPM 10 v high chromium tool steel; D-2 tool steel; hastelloy; inconel; and stainless (300/300 series).
Wetted parts are manufactured from high-grade stainless steel, hastelloy and PEEK, with O-rings in either EPDM or FKM.
It is equipped with a 4m3 Hastelloy reactor, filter drier and clean room.
The OPTIMASS 7400 is the only sensor for mass flow with a single straight measuring tube that is available in titanium, stainless steel, Hastelloy or tantalum.
Machined from solid 316L stainless steel (other materials are available, such as, AL6XN or Hastelloy) each valve is serialized and laser-etched for full traceability.
With a choice of either titanium or hastelloy C inner shell, the M Pump Hybrid Containment Shell has played a significant role in enhancing the operational efficiency and competitiveness of these pumps compared to other standard mag-drive pumps.
With an inner shell made of either titanium or the nickel alloy Hastelloy C, the M Pump Hybrid Containment Shell enhances the operational efficiency and competitiveness of these pumps, compared to standard mag-drive pumps.
The robust construction and Hastelloy C2000 as sensor material make the sensor completely maintenance-free.
* Construction from exotic material such as Inconel, titanium, and hastelloy.
Series units feature all stainless steel housings; SAE-AISI4130 flange material: 718 Inconel wetted parts with optional Inconel or Hastelloy inlay; 4-20 mA outputs; [+ or -]0.2% FSO static accuracy ([+ or -]0.1% FSO optional); and an API rated flanged process connection, in sizes ranging from 21/6 to 41/16 in.
Ross has extensive experience fabricating tanks and vessels in carbon steel, stainless steel, Monel, Hastelloy, titanium, Inconel, and aluminum.