Ni-Mo alloy HastelloyC-4

HastelloyC-4 is a low carbon austenitic nickel - molybdenum - chromium alloys. The main difference between the chemical composition of the alloy similar HastelloyC-4 and other early development of low-carbon, silicon, iron, tungsten content. Such chemical composition at 650-1040 ℃ when it exhibits excellent stability, improved resistance to intergranular corrosion, under appropriate conditions to avoid edge manufacturing line corrosion susceptibility and weld heat-affected zone corrosion.

Ni-Mo alloy HastelloyC-4 Chemical composition

	Cr	Fe	C	Mn	Si	Mo	Co	Ti	P	S
Min	14.5					14.0				0.01
Max	17.5	3.0	0.009	1.0	0.05	17.0	2.0	0.7	0.02

Ni-Mo alloy HastelloyC-4 Physical Properties

Alloy

Tensile strength

Rm N/mm2

Yield Strength

RP0.2N/mm2

Elongation

A5 %

Hastelloy C

690

310

Ni-Mo alloy HastelloyC-4 Welding
hastelloy C-4 can weld a variety of welding processes, such as gas tungsten arc welding, plasma arc welding, manual arc welding, metal inert gas welding, metal inert gas welding. Priority to the use of pulsed arc welding.

Ni-Mo alloy HastelloyC-4 application
1 . In most areas of chemical and high temperature environments has been widely used. Typical application areas
2 . FGD systems
3 . Pickling and acid regeneration plant
4 . Acetic acid and agrochemical production
5 . Titanium dioxide production (chlorine method)
6 . Electrolytic plating

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