NS3303/ NS333 Wrought nickel-base super alloy

Equal material : Hastelloy C
NS3303/ NS333 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. NS3303/ NS333there 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 NS3303/ NS333alloy container must after solid solution treatment after welding eliminate segregation of heat affected zone, which seriously limits the application of this alloy.

NS3303/ NS333alloy 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

NS3303/ NS333Physical properties:
NS3303/ NS333Density: 8.94 g/cm3
NS3303/ NS333Melting point: 1350 degree

NS3303/ NS333Alloy mechanical properties at room temperature:

Alloy state	Tensile strength MPa	Yield strength MPa	elongation A5 %
NS3303/ NS333alloy bar	690	315	30
NS3303/ NS333alloy Hot rolled plate	690	315	30
NS3303/ NS333alloy colled rolled sheet	690	285	40
NS3303/ NS333alloy strip	690	315	30

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