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Heat treatment tooling N08604

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Heat-resistant castings

UNS N08604, also known as ASTM Grade HL, is a high chromium-nickel austenitic stainless steel formulated for casting. It exhibits excellent resistance to high temperatures and corrosion, making it suitable for use in harsh environments. This grade is known for maintaining its mechanical properties at elevated temperatures and providing a stable performance in industrial applications involving heat.

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Equivalent grade

ASTM A297/297M-14 Grade HL

Title ：UNS N08604 /ASTM HL

Available products

Furnace door
Heat-resistant furnace bottom plate
Heat-resistant guard plate
Precision cast heat-resistant frames and trays
Heat-resistant heat treatment tooling and fixtures
Cement drying kiln components
Ore roasting furnace components
High-temperature heat radiation tubes
Heat-resistant heat exchanger tube supports and clamps
Heat-resistant screws and spirals
Coal injection nozzles for power plants
Heat-resistant slide rails
Heat-resistant U-shaped radiant tubes
Heat-resistant centrifugal cast tubes
Heat-resistant cantilever rollers, rollers, roller heads
Lost wax precision cast heat-resistant sliders
Heat-resistant steel pusher
High-temperature thermometer casings
Kiln mouth and kiln tail protection plates
Aluminum factory-specific heat-resistant grapples, aluminum slag grapples
Cement factory high-temperature grinding drums
Wind caps for power plants
Incinerator grate bars
Heat treatment support rods
Walking beam furnace heat-resistant cantilever rollers
Heat-resistant rolling mill rolls
High-temperature hot press molds
Steel mill heat-resistant furnace covers
Heat-resistant mesh belt furnace bottom plates

Chemical composition

%	C	Mn	Si	P	S	Cr	Ni	Mo
Min	0.2					28.0	18
Max	0.6	2.00	2.00	0.04	0.04	32.0	22	0.50

Physical properties

Density	7.8 g/cm3
Melting	1370°C and 1410°C

Material properties

Advantage

1.Exceptional high-temperature corrosion resistance.
2.Maintains strength and toughness at elevated temperatures.
3.Resists oxidation and carburization in high-heat settings.
4.Suitable for casting complex, high-precision parts.
5.Provides long-term reliability under thermal cycling.

Application

UNS N08604 is extensively used in the aerospace, automotive, and chemical processing industries for fabricating parts that require excellent heat resistance, such as furnace parts, turbine components, and other high-temperature castings. Its robust properties make it ideal for applications where both thermal stability and corrosion resistance are crucial.

FAQ

Q: Do you accept the third party inspection?

A: Yes absolutely we accept.

Q: Do you provide the samples? Free or Extra?

A: The cost of the samples is according to the value.The cost of the freight is necessary.

Q: Do you have large amount of steel products in stock?

A: Yes , we have a large-scale indoor warehouse with perennial spot stocks totally above 200000 tons.

Q: What is your delivery time and the supply ability?

A:The delivery time normally within 15~28working days,we can supply about 10,000tons every month.

Q: How to order?

A: Buyer sends the enquery --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery

Q: How can you ensure the quality of your product?

A: All products have to go through three checks in the whole manufacturing process,it includes production and Random Testing in warehouse and Before Shipping.

Heat-resistant castings