High temperature high strength alloy steel Incoloy 800 HT

High temperature high strength alloy steel Incoloy 800 HT

Incoloy 800 HT is a fully austenitic low-carbon nickel - iron - chromium alloy in the same series of With Incoloy 800, the cobalt content of alloy can be strictly controlled under 0.01%. Incoloy 800 HT ability a lot of corrosion medium corrosion. Its high content of nickel in the aqueous corrosion condition has the very good resistance to stress corrosion cracking performance. Incoloy 800HT alloy steel usually applied in nitric acid condenser, nitric acid corrosion resistance, steam heating pipe and so one which request 500 degree working environment. Incoloy 800HT alloy steel usually be delivered with annealed state.

1. Incoloy 800 HT equal material: W.Nr.1.4876, X10NiCrAlTi3220, NA15, UNS N08811, FeNi32Cr21AlTi, X 8 NiCrAlTi 32-21, Incoloy 800, W.Nr.1.4959. HT

2. Incoloy 800 HT Chemical composition

%	Ni	Cr	Fe	Mo	Co	C	Mn	Si	S	P	Cu	Al	Ti
min	30.0	19.0				0.06						0.15	0.15
max	35.0	23.0	39.5			0.1	1.5	1.0	0.015		0.75	0.60	0.60

3. Incoloy 800 HT Physical properties :
Incoloy 800 HT alloy steel Density: 8.0g/cm3
Incoloy 800 HT alloy steel Melting temperature range :1350-1400 degree

4. Incoloy 800 HT Mechanical properties at room temperature (minimum)

Incoloy 800 HT alloy steel product	specifications	yield strength RP0.2 N/mm2	yield strength RP1.0 N/mm2	Tensile strength Rm N/mm2	elongation A50%	hardness HB
cold rolling strip hot rolled plate	0.5-6.4	240	265	585	30	<=200
	5-100					135-165
bar Cold working Hot working	1.6-64
	25-100
	>100-240	220	250	550	35
pipe Cold working Hot working	64-240	180	-	530	30	-
	5-100	240	265	585	30
Condensation and heat exchanger	16-76

5. Application: Incoloy 800HT alloy steel are widely used in various industrial sectors whose working temperature does not exceed 550 degree. Typical applications are:
sulfuric acid pickling factories with the heating pipe, containers, baskets, and chain, etc.

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