NS3308 Wrought nickel-base superalloy

NS3308 alloy is a omnipotent, nickel-chromium-molybdenum-tungsten alloy than other existing nickel chromium molybdenum alloy has better overall corrosion resistance, including Hastelloy C276, C4 alloy and 625 alloy. NS3308 alloy has good resistance to pitting corrosion, crevice corrosion and stress corrosion cracking ability. It has excellent antioxidant ability to water medium, including wet chlorine, nitric acid or oxidizing acid containing chloride ions mixed acid. At the same time, NS3308 alloy also has the ideal resistance encountered in the process of reducing and oxidizing environment. Rely on the universal performance, it can be used in some headache environment, or used in a variety of factory production purpose. NS3308 alloy has abnormal resistance of various chemical environment, including strong oxidizing substances, such as ferric chloride, copper chloride, chlorine, thermal pollution solution (organic, inorganic), formic acid, acetic acid, acetic anhydride, water and salt solution, etc. NS3308 alloy in welding heat affected zone is to resist the ability of grain boundary precipitation formation, so make it under welding condition also can adapt many kinds of the application of chemical process.

1.NS3308 equal material :UNS N06022 (America), W.Nr.2.4602(Germany), Hastelloy C-22
2. NS3308 Wrought nickel-base superalloy Chemical composition %

NS3308		Ni	Cr	Mo	Te	W	Co	C	Mn	Si	V	P	S
	Mix	Remaining	20.0	12.5	2	2.5
	Max	Remaining	22.5	14.5	6	3.5	2.5	0.015	0.5	0.08	0.35	0.02	0.02

3. NS3308 Wrought nickel-base superalloy the mechanical properties at room temperature, the minimum value:

Material	Tensile strength	Yield strength	Elongation A5 %
NS3308	690 MPa	283 MPa	40

4. NS3308 The physical and chemical properties :
NS3308 alloy steel Density: 8.69 g/cm3
NS3308 alloy steel melting point: 1357-1399 degree
NS3308 Elastic modulus: N/thermal conductivity was 205.5:11.1 W/m K
NS3308 Hardness: HRC93 thermal expansion coefficient (20-100 degree) : 112.6 mu m/m degree
NS3308 Working temperature of about quantity: 200 to + 400 degree

5. NS3308 Wrought nickel-base superalloy application:
The acetic acid/acetic anhydride, Acid leaching, The glassine paper manufacturing, The chloride system, Complex mixed acid, Electric galvanized trough roller, Bellows expansion, The flue gas cleaning system, Geothermal Wells, Hf furnace cleaners, The burning system, The fuel, The pesticide production, Phosphoric acid production, Pickling system, The plate heat exchanger, Selective filtering system, Sulfur dioxide cooling tower, The suffocated system,Tube heat exchanger.

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