Alloy 600

A nickel-chromium grade, Alloy 600, often referred to as Inconel 600, is perfect for use in the heat treating industry.

Apart from good carburisation resistance, Alloy 600 has an excellent oxidation resistance up to 1093°C.

Inventory

Product form	Size range from	size range to
Alloy 600 sheet & plate	0.5 mm	76.2 mm
Alloy 600 round tubing	6.35 mm	40 mm
Alloy 600 round bar	6.35 mm	228.6 mm
Alloy 600 pipe	0.25 in	6 in
Alloy 600 pipe fittings	0.25 in	6 in
Alloy 600 flanges	0.25 in	6 in

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Pipe
Pipe Fittings
Flanges
Sheet & Plate
Round Bar

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Chemical Analysis

%	Ni	Cr	Cu	C	Mn	Si	S	Fe
Min	72	14	0	0	0	0	0	6
Max	-	17	0.5	0.15	1	0.5	0.015	10

Applications

Perfect for applications in the Thermal Processing industry

Alloy 600 can be used in a variety of applications including:

Heat treating muffles and retorts
Vacuum furnace fixtures
Nitriding furnaces and baskets
Chlorination equipment to 538°C
Titanium dioxide plants

About Alloy 600

With high nickel content, Inconel® Alloy 600 is virtually immune to chloride-induced stress corrosion cracking. The alloy has superb corrosion resistance to caustic environments and resistance to dry chlorine up to 538°C.

This alloy has excellent oxidation resistance up to 1093°C combined with high carburisation resistance and demonstrates good performance in high temperature nitriding environments.

It is not recommended that Inconel® Alloy 600 be used at red heat temperatures where sulphur is present. It has also been found that Inconel® Alloy 600 can fall victim to stress corrosion cracking in hot, concentrated caustic alkalis, however, this can be avoided if the fabrication is fully stress relieved before use. Recommended stress relieving temperature of 982-1010 °C for 1 hour yields the best performance.

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Mechanical & Physical Properties
Static Corrosion in Molten Caustic Soda

Mechanical & Physical Properties	21°C	538°C	649°C	760°C	871°C	982°C	1093°C
Ultimate Tensile Strength /MPa	641.2	579.2	448.2	189.6	103.4	51.7	-
0.2% Yield Strength /MPa	255.1	196.5	182.7	117.2	62	27.6	-
Charpy Impact V-notch /J	61	63.7	52.9	62.4	108.5	160	-
Coefficient of Thermal Expansion µm/m⁰C	-	15.1	15.5	15.6	16.4	-	16.7
Thermal Conductivity /kcal/(hr.m.°C)	12.8	19.6	21.3	19.3	23.8	-	-
Modulus of Elasticity / x10⁵ MPa	2.1	1.77	1.69	1.63	1.53	-	1.4

Temperature °C	400°C	500°C	580°C	680°C
Alloy 201	0.9	1.3	2.5	37.8
Alloy 400	1.8	5.1	17.6	-
Alloy 600	1.1	2.4	5.1	66.4

Mechanical & Physical Properties

Mechanical & Physical Properties	21°C	538°C	649°C	760°C	871°C	982°C	1093°C
Ultimate Tensile Strength /MPa	641.2	579.2	448.2	189.6	103.4	51.7	-
0.2% Yield Strength /MPa	255.1	196.5	182.7	117.2	62	27.6	-
Charpy Impact V-notch /J	61	63.7	52.9	62.4	108.5	160	-
Coefficient of Thermal Expansion µm/m⁰C	-	15.1	15.5	15.6	16.4	-	16.7
Thermal Conductivity /kcal/(hr.m.°C)	12.8	19.6	21.3	19.3	23.8	-	-
Modulus of Elasticity / x10⁵ MPa	2.1	1.77	1.69	1.63	1.53	-	1.4

Static Corrosion in Molten Caustic Soda

Temperature °C	400°C	500°C	580°C	680°C
Alloy 201	0.9	1.3	2.5	37.8
Alloy 400	1.8	5.1	17.6	-
Alloy 600	1.1	2.4	5.1	66.4

Specifications

UNS Number:: N06600
Werkstoff Number:: 2.4816
Standards:: ASTM B163, B166, B167, B168, B516, B517, B564, B366, AMS 5540, 5665, B751, B775, B829

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