Hastelloy C Wrought nickel-base superalloy

Hastelloy C Wrought nickel-base superalloy

Equal material :NS3303/ NS333
Hastelloy C which is on the basis of Hastelloy alloy B adding elements of Cr, w, Ni - Cr alloy and N i.M o is compatible and optimization, in the oxidizing and reducing medium has good corrosion resistance and resistance to local corrosion, resistance to chloride stress corrosion cracking and pitting corrosion of sea water. Hastelloy C there are some serious drawbacks, in demanding oxidation medium, the alloy of chromium content is not enough to keep its passivation state and showed high uniform corrosion rate; More applications obstacle is the welding heat affected zone in many oxidizing, low pH, halide environment is sensitive to intergranular corrosion. Many applications require made of Hastelloy C alloy steel container must after solid solution treatment after welding eliminate segregation of heat affected zone, which seriously limits the application of this alloy.

Hastelloy C alloy steel Chemical composition

	Ni	Cr	Mo	Fe	W	Co	C	Mn	Si	V	P	S
Min	Balance	14.5	15	4	3
Max	Balance	16.5	17	7	4.5	2.5	0.08	1	1	0.35	0.04	0.03

Hastelloy C Physical properties
Hastelloy C Density: 8.94 g/cm3
Hastelloy C Melting point: 1350 degree

Hastelloy C Alloy mechanical properties at room temperature:

Alloy state	Tensile strength MPa	Yield strength MPa	elongation A5 %
Hastelloy C alloy bar	690	315	30
Hastelloy C alloy Hot rolled plate	690	315	30
Hastelloy C alloy colled rolled sheet	690	285	40
Hastelloy C alloy strip	690	315	30

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