Designated as UNS N06200, Hastelloy C-2000 is a nickel-chromium-molybdenum alloy with a deliberate amount of copper addition which provides enhanced temperature capability in sulfuric acid, hydrofluoric acid, and dilute hydrochloric acid. The high chromium content maximizes its resistance to oxidizing chemicals and process streams contaminated with ferric ions and dissolved oxygen. Besides, Hastelloy C-2000 has excellent ductility and weldability, as well as has outstanding resistance to stress-corrosion cracking in chloride-bearing solutions. The UNS N06200 alloy is widely used in chemical processing reactors, heat exchangers, petrochemical piping, pharmaceutical industry, gas desulfurization systems.

1. Chemical Composition Requirements

The Chemical Composition of Hastelloy C2000, %
Nickel	Balance
Cobalt	≤2
Chromium	23
Molybdenum	16
Copper	1.6
Iron	≤3
Manganese	≤0.5
Aluminum	≤0.5
Silicon	≤0.08
Carbon	≤0.01

2. Typical Physical Properties

Density		Specific Heat		Melting Range
lb/in3	g/cm3	Btu/lb.°F	J/kg.°C	°F	°C
0.307	8.50	0.102	428	2422-2476	1328-1358

3. Product Forms and Standards

Product From	Standard
Sheet, Plate & Strip	ASTM B575
Billet, Rod & Bar	ASTM B574, B472
Coated Electrodes	DIN 2.4699
Bare Welding Rods & Wire	DIN 2.4698
Seamless Pipe & Tube	ASTM B622
Welded Pipe & Tube	ASTM B619, B626
Fittings	ASTM B366, B462
Forgings	ASTM B564, B462

*The mechanical properties of Hastelloy C-2000 materials vary according to different forms and heat treatment conditions.

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