Haynes® HR 120® UNS N08120

Haynes® HR-120® alloy is a solid-solution-strengthened heat-resistant alloy that provides excellent strength at elevated temperature.

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Strip, Foil & Wire, ASTM B408, ASTM B409

Applications

Used where high strength combined with good resistance to carburizing and sulfidizing environments is required. Heat treating baskets, radiant tubes, wire mesh furnace belts and basket liners, muffles, retorts, recuperators, heat treating fixtures and waste incinerators

Description

Haynes® HR-120® alloy is a solid-solution-strengthened heat-resistant alloy that provides excellent strength at elevated temperature. Its oxidation resistance is comparable to other widely used Fe-Ni-Cr materials, such as alloys 330 and 800H, but its strength at temperatures up to 2000 °F (1095 °C) is significantly higher.

Chemistry Typical

Nickel: 37.0 nom
Chromium: 25.0 nom
Cobalt: 3.0 max
Molybdenum: 2.5 max
Tungsten: 2.5 max

Physical Properties

Density: 0.291 lb/in3 8.07 g/cm3

Electrical Resistivity: µohm-in, (µohm -cm)
At 70 °F (20 °C): 41.4 (105.2)
At 200 °F (100 °C): 42.4 (107.8)
At 400 °F (200 °C): 44.4 (112.5)
At 600 °F (300 °C): 45.4 (114.9)
At 800 °F ( 400 °C): 46.3 ( 116. 7)
At 1000 °F (500 °C): 47.3 (119.3)
At 1200 °F (600 °C): 48.2 (121.4)
At 1400 °F (700 °C): 48.8 (123.1)
At 1600 °F (800 °C): 49.4 (124.5)
At 1800 °F (900 °C): 50.0 (125.7)
At 2000 °F (1000 °C): 50.3 (126.6)
At 2200 °F (1100 °C): 50.7 (127.8)

Specific Heat: BTU/lb-°F (J/Kg-°K):
At 70 °F (20 °C): .112 (467)
At 200 °F (100 °C): .116 (483)
At 400 °F (200 °C): .121 (500)
At 600 °F (300 °C): .125 (522)
At 800 °F (400 °C): .130 (531)
At 1000 °F (500 °C): .135 (558)
At 1200 °F (600 °C): .144 (607)
At 1400 °F (700 °C): .152 (647)
At 1600 °F (800 °C): .159 (655)
At 1800 °F (900 °C): .164 (660)
At 2000 °F (1000 °C): .167 (663)
At 2200 °F (1100 °C): .169 (667)

Thermal Conductivity: BTU-in/hr-ft2-°F (W/m-K)
At 70 °F (20 °C): 78 (11.4)
At 200 °F (100 °C): 84 (12.7)
At 400 °F (200 °C): 96 (14.1)
At 600 °F (300 °C): 108 (15.4)
At 800 °F (400 °C): 121 (17.1)
At 1000 °F (500 °C): 134 (18.7)
At 1200 °F (600 °C): 150 (21.0)
At 1400 °F (700 °C): 168 (23.3)
At 1600 °F (800 °C): 180 (24.59
At 1800 °F (900 °C): 191 (26.2)
At 2000 °F (1000 °C): 205 (28.0)
At 2200 °F (1100 °C): 216 (29.6)

Mean Coefficient of Thermal Expansion: µin/in-°F (m/m-°C)
78 - 200 °F (25 - 100 °C): 7.95 (14.3 x 10-6)
78 - 400 °F (25 - 200 °C): 8.29 ( 14.9 x 10-6)
78 - 600 °F (25 - 300 °C): 8.56 (15.3 x 10-6)
78 - 800 °F (25 - 400 °C): 8.80 (15.8 x 10-6)
78 - 1000 °F (25 - 500 °C): 8.98 (16.1 x 10-6)
78 - 1200 °F (25 - 900 °C): 9.24 (16.4 x 10-6)
78 - 1400 °F (25 - 700 °C): 9.52 (16.9 x 10-6)
78 - 1600 °F (25 - 800 °C): 9.72 (17.3 x 10-6)
78 - 1800 °F (25 - 900 °C): 9.87 (17.6 x 10-6)

Modulus of Elasticity: KSI (MPa) 28.6 x 103 (197 x 103) in tension

Melting Range: 2375 - 2600 °F (est.), (1300 - 1425 °C)

Forms

Coil - Sheet, Strip, Foil Wire - Profile, Round, Flat, Square

Mechanical Properties at Room Temperature

Properties: Annealed Typical

Ultimate Tensile Strength: 106.5 KSI (735 MPa)
Yield Strength: 45.6 KSI (375 MPa)
Elongation: 50%

Properties: Tempered

Haynes® HR-120® can be cold worked to various tempers. Contact Ulbrich Technical Service for additional information.

Additional Properties

Corrosion Resistance

Refer to NACE (National Associate of Corrosion Engineers) for recommendations.

Finishes

#1 - Hot rolled annealed and descaled. It is available in strip, foil and ribbon. It is used for applications where a smooth decorative finish is not required.
#2D - Dull finish produced by cold rolling, annealing and descaling. Used for deep drawn parts and those parts that need to retain lubricants in the forming process. #2B - Smooth finish produced by cold rolling, annealing and descaling. A light cold rolling pass is added after anneal with polished rolls giving it a brighter finish than 2D.
#BA- Bright annealed cold rolled and bright annealed
#CBA- Course bright annealed cold rolled matte finish and bright anneal
#2 - Cold Rolled
#2BA- Smooth finish produced by cold rolling and bright annealing. A light pass using highly polished rolls produces a glossy finish. A 2BA finish may be used for lightly formed applications where a glossy finish is desired in the formed part. Polished - Various grit finish for specific polish finished requirements.

* Not all finishes are available for all alloys - Consult Sales for applicable finishes.

Wire Finishes

XC - Extra Clean Bright Annealed or Bright Annealed and Cold Rolled Grease - Ultra bright finish (for decorative applications) Soap - Soap coating on tempered wire to act as lubricant. * Contact Ulbrich Wire with special finish requests.

Welding

For best results refer to: SSINA's "Welding of Stainless Steels and Other Joining Methods".




Limitation of Liability and Disclaimer of Warranty: In no event will Ulbrich Stainless Steels & Special Metals, Inc., be liable for any damages arising from the use of the information included in this document or that it is suitable for the 'applications' noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. Ulbrich assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.

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