ASTM A297 HN

Equivalent grade:

● UNS J94213
● ASTM A297/297M-14 Grade HN
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◉ 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

◉ Product Details

Chemical composition

%CMnSiPSCrNiMo
Min0.2



19.023
Max0.52.002.000.040.0423.0270.50

 

Physical properties 

Density7.6 g/cm3
Melting1370°C and 1410°C


Material properties

UNS J94213, classified under ASTM A297 HN as a high chromium-nickel austenitic stainless steel, is designed for casting applications requiring excellent resistance to oxidation and corrosion at elevated temperatures. Known commonly as 20Cr-25Ni, this alloy offers superior performance in environments subject to high temperatures and corrosive elements, making it ideal for heavy-duty industrial applications.


Advantage

  1. Outstanding high-temperature corrosion resistance.
  2. Superior oxidation resistance at elevated temperatures.
  3. Maintains structural integrity under thermal stress.
  4. Excellent for casting complex geometries.
  5. Durable in fluctuating temperature conditions.

 

Application

UNS J94213 is primarily utilized in the construction of equipment for the petrochemical, refining, and energy industries, including parts for high-temperature furnaces, heat exchangers, and other critical components in corrosive environments. Its ability to perform under severe conditions makes it suitable for advanced engineering applications where reliability is crucial.


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