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Cast Grade: HF

OVERVIEW: Economical heat resistant grade with sufficient chrome and nickel for good oxidation resistance.  Service Limit 870 degrees Celsius (1600 degrees Fahrenheit).

TYPICAL USES: Annealing  boxes, annealing furnace components, burner tips, burnishing rolls, convection furnace components, gas burner rings.

MetalTek Grade: MTEK 20-10

Similar Specifications

Cast UNS: J92603;J92803

Cast Grade: HF

Cast ASTM: A297, HF (CENT, INVEST, SAND)

Typical Chemical Composition (% by wt.)

Cr: 18.0 - 23.0

Fe: Bal

Mn: 2.00 max

Ni: 8.0 - 12.0

Si: 2.00 max

C Max: 0.20 - 0.40

Minimum Mechanical Properties

Brinell Typical: 165

Tensile, ksi: 70

Tensile, MPa: 485

Yield, ksi: 35

Yield, MPa: 240

Elongation %: 25

Heat Treatment: As Cast