Corrosion-resisting nickel-base alloy NiCr22Co12Mo9

Corrosion-resisting nickel-base alloy NiCr22Co12Mo9

NiCr22Co12Mo9 corrosion-resisting nickel-base alloy is a kind of nickel-chromium-cobalt- molybdenum alloy which has the excellent mechanical property at high temperature;the alloy has high temperature corrosion resistance, such as the oxidation and carbonization.

1. NiCr22Co12Mo9 equal material :W.Nr.2.4663 , NiCr23Co12Mo, UNS N07617，

2. NiCr22Co12Mo9 corrosion-resisting nickel-base alloy Chemical composition

	Nickel	Cr	Fe	C	Mn	Si	Mo	Co	Al	Ti	P	S
min	balance	20		0.05			8.0	10.0	0.6	0.2
max	balance	23	2.0	0.1	0.7	0.7	10.0	13.0	1.5	0.6	0.012	0.008

3.NiCr22Co12Mo9 alloy steel properties:
NiCr22Co12Mo9 corrosion-resisting nickel-base alloy density:8.4g/cm3
NiCr22Co12Mo9 alloy steel melting temperature range:1330-1380 degree

NiCr22Co12Mo9 mechanical properties minimum value at room temperature :

Product	Thickness /OD mm	Test direction	Tensile strength MPa	Yield strength MPa	Yield strength MPa	Elongation A5%
sheet, strip	Cold rolled≤6	Transverse	750	350	390	35
plate	Hot-rolled<80	Transverse	700	300	330	35
Bar	≤300	Transverse	680	300	330	30
Bar	≤300	Radial	680	300	330	35
Pipe/tube	≤150	Radial	700	300	330	35

4. NiCr22Co12Mo9 alloy steel application:
NiCr22Co12Mo9 is Suitable for high temperature and high mechanical stress. Recommended temperature does not exceed 1000 degree. At the same time, NiCr22Co12Mo9 is suitable for the occasion where the weight should be reduced, like thin wall parts processing, and so on. Specially in Industrial and aviation turbine components, air heater, muffle and radiation Museum, the high temperature heat exchanger, valve and spring, the high temperature gas cooled nuclear reactors(such as high temperature components - nuclear reactor helium and helium heat exchanger), chemical equipment, the petrochemical industry of spiral tube and pipe.

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